Product Description
Oilless High Pressure Rotary Portable Mini Industrial Used Movable Single Max Dental AC Oil Screw Part Parts Piston Free Air Pump Compressor
OIL-INJECTED FIXED SPEED COMPRESSOR
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD7 | 7.5 / 10 | 1.3 | 1.2 | 1.0 | 0.8 | 66 | 880*700*920 | 240 |
| CWD11 | 11 / 15 | 1.7 | 1.6 | 1.4 | 1.2 | 68 | 1080*750*1000 | 400 |
| CWD15 | 15 / 20 | 2.5 | 2.3 | 2.1 | 1.9 | 68 | 1080*750*1000 | 420 |
| CWD18 | 18.5 / 25 | 3.2 | 3.0 | 2.7 | 2.4 | 68 | 1280*850*1160 | 550 |
| CWD22 | 22 / 30 | 3.8 | 3.6 | 3.2 | 2.8 | 68 | 1280*850*1160 | 580 |
| CWD30 | 30 / 40 | 5.3 | 5.0 | 4.5 | 4.0 | 68 | 1280*850*1160 | 600 |
| CWD37 | 37 / 50 | 6.8 | 6.2 | 5.6 | 5.0 | 68 | 1400*1000*1290 | 800 |
| CWD45 | 45 / 60 | 8.0 | 7.3 | 7.0 | 5.9 | 72 | 1400*1000*1290 | 850 |
| CWD55 | 55 / 75 | 10.1 | 9.5 | 8.7 | 7.8 | 72 | 1800*1230*1570 | 1660 |
| CWD75 | 75 / 100 | 13.6 | 12.8 | 12.3 | 10.2 | 72 | 1800*1230*1570 | 1800 |
| CWD90 | 90 / 125 | 16.2 | 15.5 | 14.0 | 12.5 | 72 | 1800*1230*1570 | 1900 |
| CWD110 | 110 / 150 | 21.2 | 19.8 | 17.8 | 15.5 | 72 | 2400*1470*1840 | 2500 |
| CWD132 | 132 / 180 | 24.5 | 23.2 | 20.5 | 17.8 | 75 | 2400*1470*1840 | 2700 |
| CWD160 | 160 / 215 | 28.8 | 27.8 | 25.0 | 22.4 | 75 | 2400*1470*1840 | 3000 |
| CWD185 | 185 / 250 | 32.5 | 31.2 | 28.0 | 25.8 | 75 | 3150*1980*2150 | 3500 |
| CWD200 | 200 / 270 | 36.0 | 34.3 | 30.5 | 28.0 | 82 | 3150*1980*2150 | 4000 |
| CWD250 | 250 / 350 | 43.0 | 41.5 | 38.2 | 34.9 | 82 | 3150*1980*2150 | 4500 |
| CWD315 | 315 / 400 | 51.0 | 50.2 | 44.5 | 39.5 | 82 | 3150*1980*2150 | 6000 |
| CWD355 | 355 / 450 | 64.0 | 61.0 | 56.5 | 49.0 | 84 | 3150*1980*2150 | 6500 |
| CWD400 | 400 / 500 | 71.2 | 68.1 | 62.8 | 52.2 | 84 | 3150*1980*2150 | 7200 |
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD7 PM | 7.5 / 10 | 1.3 | 1.2 | 1.0 | 0.8 | 66 | 760*700*920 | 200 |
| CWD11 PM | 11 / 15 | 1.7 | 1.6 | 1.4 | 1.2 | 68 | 980*750*1000 | 350 |
| CWD15 PM | 15 / 20 | 2.5 | 2.3 | 2.1 | 1.9 | 68 | 980*750*1000 | 360 |
| CWD18 PM | 18.5 / 25 | 3.2 | 3.0 | 2.7 | 2.4 | 68 | 1120*850*1160 | 500 |
| CWD22 PM | 22 / 30 | 3.8 | 3.6 | 3.2 | 2.8 | 68 | 1120*850*1160 | 520 |
| CWD30 PM | 30 / 40 | 5.3 | 5.0 | 4.5 | 4.0 | 68 | 1120*850*1160 | 550 |
| CWD37 PM | 37 / 50 | 6.8 | 6.2 | 5.6 | 5.0 | 68 | 1280*1000*1290 | 750 |
| CWD45 PM | 45 / 60 | 8.0 | 7.3 | 7.0 | 5.9 | 72 | 1280*1000*1290 | 780 |
| CWD55 PM | 55 / 75 | 10.1 | 9.5 | 8.7 | 7.8 | 72 | 1800*1230*1570 | 1600 |
| CWD75 PM | 75 / 100 | 13.6 | 12.8 | 12.3 | 10.2 | 72 | 1800*1230*1570 | 1800 |
| CWD90 PM | 90 / 125 | 16.2 | 15.5 | 14.0 | 12.5 | 72 | 1800*1230*1570 | 1900 |
| CWD110 PM | 110 / 150 | 21.2 | 19.8 | 17.8 | 15.5 | 72 | 2400*1470*1840 | 2500 |
| CWD132 PM | 132 / 180 | 24.5 | 23.2 | 20.5 | 17.8 | 75 | 2400*1470*1840 | 2700 |
| CWD160 PM | 160 / 215 | 28.8 | 27.8 | 25.0 | 22.4 | 75 | 2400*1470*1840 | 3000 |
| CWD185 PM | 185 / 250 | 32.5 | 31.2 | 28.0 | 25.8 | 75 | 3150*1980*2150 | 3500 |
| CWD200 PM | 200 / 270 | 36.0 | 34.3 | 30.5 | 28.0 | 82 | 3150*1980*2150 | 4000 |
| CWD250 PM | 250 / 350 | 43.0 | 41.5 | 38.2 | 34.9 | 82 | 3150*1980*2150 | 4500 |
| CWD315 PM | 315 / 400 | 51.0 | 50.2 | 44.5 | 39.5 | 82 | 3150*1980*2150 | 6000 |
| CWD355 PM | 355 / 450 | 64.0 | 61.0 | 56.5 | 49.0 | 84 | 3150*1980*2150 | 6500 |
| CWD400 PM | 400 / 500 | 71.2 | 68.1 | 62.8 | 52.2 | 84 | 3150*1980*2150 | 7200 |
TWO-STAGE OIL-INJECTED COMPRESSOR
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD15-2S | 15 / 20 | 3.0 | 2.9 | 2.4 | 2.2 | 68 | 1480*850*1180 | 780 |
| CWD18-2S | 18.5 / 25 | 3.6 | 3.5 | 2.9 | 2.5 | 68 | 1480*850*1180 | 800 |
| CWD22-2S | 22 / 30 | 4.2 | 4.1 | 3.5 | 3.2 | 68 | 1480*850*1180 | 820 |
| CWD30-2S | 30 / 40 | 6.5 | 6.4 | 4.9 | 4.2 | 68 | 1720*1110*1480 | 1080 |
| CWD37-2S | 37 / 50 | 7.2 | 7.1 | 6.3 | 5.4 | 68 | 1720*1110*1480 | 1100 |
| CWD45-2S | 45 / 60 | 9.8 | 9.7 | 7.8 | 6.5 | 72 | 1720*1110*1480 | 1120 |
| CWD55-2S | 55 / 75 | 12.8 | 12.5 | 9.6 | 8.6 | 72 | 2100*1350*1720 | 2080 |
| CWD75-2S | 75 / 100 | 17.5 | 16.5 | 12.5 | 11.2 | 72 | 2100*1350*1720 | 2100 |
| CWD90-2S | 90 / 125 | 20.8 | 19.8 | 16.9 | 14.3 | 72 | 2460*1700*1900 | 3280 |
| CWD110-2S | 110 / 150 | 24.5 | 23.5 | 19.7 | 17.6 | 72 | 2460*1700*1900 | 3480 |
| CWD132-2S | 132 / 180 | 30.0 | 28.0 | 23.5 | 19.8 | 75 | 2900*1800*2571 | 3980 |
| CWD160-2S | 160 / 215 | 34.5 | 33.6 | 30.0 | 23.8 | 75 | 2900*1800*2571 | 4280 |
| CWD185-2S | 185 / 250 | 41.0 | 38.4 | 32.5 | 28.6 | 75 | 3800*1980*2150 | 5450 |
| CWD200-2S | 200 / 270 | 44.6 | 43.0 | 38.5 | 32.8 | 82 | 3800*1980*2150 | 5600 |
| CWD220-2S | 220 / 300 | 48.6 | 47.0 | 41.0 | 38.0 | 82 | 3800*1980*2150 | 6500 |
| CWD250-2S | 250 / 350 | 55.0 | 54.0 | 46.0 | 40.0 | 82 | 3800*1980*2150 | 6600 |
- Unit measured according to ISO 1217, Annex C, Edition 4 (2009)
Reference conditions:
-Relative humidity 0%
-Absolute inlet pressure: 1 bar (a) (14.5 psi)
-Intake air temperature: 20°C, 68°F
- Noise level measured according to ISO 2151:2004, operation at max. operating pressure and max. speed; tolerance: ±3 dB(A)
- 2S-Two Stage
FAQ
1. Q: Are you a factory or trading company?
A: We are a factory.
2. Q: What’re your payments ?
A: T/T,Western Union,L/C etc.
3. Q: What about the package ?
A: Standard export plywood case or carton.
4. Q: How long is the warranty ?
A: According to international standards, products in standard operation is 1 year,except quick-wear part.
5. Q: The use of products have?
A: The pump can suck the peanut, pickles, tomato slurry, red sausage, chocolate, hops and syrup etc.
The pump can suck the paint, pigment, glue and adhesive etc.
The pump can suck various glazed slurries of tile, porcelain, brick and chinaware etc.
The pump can suck various toxin and flammable or volatility liquid etc.
The pump can suck various strong acid, alkali and corrosive liquid etc.
| After-sales Service: | Oversea Install Service |
|---|---|
| Warranty: | 3 |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Horizontal |
| Customization: |
Available
|
|
|---|
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What are the advantages of using rotary vane compressors?
Rotary vane compressors offer several advantages that make them a popular choice for various applications. These compressors are widely used in industries where a reliable and efficient source of compressed air is required. Here are the advantages of using rotary vane compressors:
1. Compact and Lightweight:
Rotary vane compressors are typically compact and lightweight compared to other types of compressors. Their compact design makes them suitable for installations where space is limited, such as in small workshops or mobile applications. The lightweight nature of these compressors allows for easy transportation and maneuverability.
2. High Efficiency:
Rotary vane compressors are known for their high efficiency. The design of the vanes and the compression chamber allows for smooth and continuous compression, resulting in minimal energy losses. This efficiency translates into lower energy consumption and reduced operating costs over time.
3. Quiet Operation:
Rotary vane compressors operate with relatively low noise levels. The design of the compressor, including the use of vibration damping materials and sound insulation, helps to minimize noise and vibrations during operation. This makes rotary vane compressors suitable for applications where noise reduction is important, such as in indoor environments or noise-sensitive areas.
4. Oil Lubrication:
Many rotary vane compressors utilize oil lubrication, which provides several benefits. The oil lubrication helps to reduce wear and friction between the moving parts, resulting in extended compressor life and improved reliability. It also contributes to better sealing and improved efficiency by minimizing internal leakage.
5. Versatile Applications:
Rotary vane compressors are versatile and can be used in a wide range of applications. They are suitable for both industrial and commercial applications, including automotive workshops, small manufacturing facilities, dental offices, laboratories, and more. They can handle various compressed air requirements, from light-duty tasks to more demanding applications.
6. Easy Maintenance:
Maintenance of rotary vane compressors is relatively straightforward. Routine maintenance tasks typically include oil changes, filter replacements, and periodic inspection of vanes and seals. The simplicity of the design and the availability of replacement parts make maintenance and repairs easier and more cost-effective.
These advantages make rotary vane compressors an attractive choice for many applications, providing reliable and efficient compressed air solutions.
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What is the energy efficiency of modern air compressors?
The energy efficiency of modern air compressors has significantly improved due to advancements in technology and design. Here’s an in-depth look at the energy efficiency features and factors that contribute to the efficiency of modern air compressors:
Variable Speed Drive (VSD) Technology:
Many modern air compressors utilize Variable Speed Drive (VSD) technology, also known as Variable Frequency Drive (VFD). This technology allows the compressor motor to adjust its speed according to the compressed air demand. By matching the motor speed to the required airflow, VSD compressors can avoid excessive energy consumption during periods of low demand, resulting in significant energy savings compared to fixed-speed compressors.
Air Leakage Reduction:
Air leakage is a common issue in compressed air systems and can lead to substantial energy waste. Modern air compressors often feature improved sealing and advanced control systems to minimize air leaks. By reducing air leakage, the compressor can maintain optimal pressure levels more efficiently, resulting in energy savings.
Efficient Motor Design:
The motor of an air compressor plays a crucial role in its energy efficiency. Modern compressors incorporate high-efficiency electric motors that meet or exceed established energy efficiency standards. These motors are designed to minimize energy losses and operate more efficiently, reducing overall power consumption.
Optimized Control Systems:
Advanced control systems are integrated into modern air compressors to optimize their performance and energy consumption. These control systems monitor various parameters, such as air pressure, temperature, and airflow, and adjust compressor operation accordingly. By precisely controlling the compressor’s output to match the demand, these systems ensure efficient and energy-saving operation.
Air Storage and Distribution:
Efficient air storage and distribution systems are essential for minimizing energy losses in compressed air systems. Modern air compressors often include properly sized and insulated air storage tanks and well-designed piping systems that reduce pressure drops and minimize heat transfer. These measures help to maintain a consistent and efficient supply of compressed air throughout the system, reducing energy waste.
Energy Management and Monitoring:
Some modern air compressors feature energy management and monitoring systems that provide real-time data on energy consumption and performance. These systems allow operators to identify energy inefficiencies, optimize compressor settings, and implement energy-saving practices.
It’s important to note that the energy efficiency of an air compressor also depends on factors such as the specific model, size, and application. Manufacturers often provide energy efficiency ratings or specifications for their compressors, which can help in comparing different models and selecting the most efficient option for a particular application.
Overall, modern air compressors incorporate various energy-saving technologies and design elements to enhance their efficiency. Investing in an energy-efficient air compressor not only reduces operational costs but also contributes to sustainability efforts by minimizing energy consumption and reducing carbon emissions.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.


editor by CX 2023-10-10
China 15HP 30HP 50HP Oil Free Silent Oilless Screw Air Compressor with Air Dryer portable air compressor
Product Description
15HP 30HP 50HP Oil Totally free Silent Oilless Screw Air Compressor With Air Dryer
Principal Functions:
one. The versatile belt will be immediately tensioned in use. By means of modifying the tension, decrease the reduction of pressure and electricity, to enhance the efficiency of compression.
two. Utilizing the precise spin-oil separator and special two-pole buffer separation, it can reduce the oil consumption, promise the outlet gas purity, and lengthen the lifetime of filter components.
three. With the toothed V-belt, it has great heat dissipation, lengthy daily life, greater equipment generate and transmission efficiency, as higher as more than 98%.
Oil Filter: Very good Quality filters make sure longer operating life and preserve the upkeep time and value.
Stainless Steel Hoses: High and low temperature resistant, high strain resistant.
Compressed Air Vessel: Reduction of strain drops and strength costs, top quality air with lower oil content.
Air Stop: Imported DLOL air stop, advanced profile design and style.
Electrical Motor: Premium performance Totally TEFC IP54/IP55 motor (Class F insulation) safeguards in opposition to dust and substances and so on.
Air Filter: Two-phase dust removal and filtering program with efficiency of up to 99.9% even in heavy-duty environment.
Cooler: High good quality aluminum content, alternating expression cooler fins, ensure the excellent radiating result.
Complex parameters:
Our workshop:
|
US $5,000-30,000 / Set | |
1 Set (Min. Order) |
###
| After-sales Service: | Free Spare Parts |
|---|---|
| Warranty: | One Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
###
| Customization: |
Available
|
|---|
|
US $5,000-30,000 / Set | |
1 Set (Min. Order) |
###
| After-sales Service: | Free Spare Parts |
|---|---|
| Warranty: | One Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
###
| Customization: |
Available
|
|---|
Types of Air Compressors
There are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
Air Compressors
Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use one of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
Single-stage models
When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, one piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the two pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.
Low-noise models
Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These two features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
Oil-free models
A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated one include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.


editor by czh 2023-01-01
China Industrial Oilless Rotary Screw Air Compressor Closed To CZPT Wholesale 380V 3-40bar AC Power Electric Machine (ISO&CE)
Product Description
0.5-80 M3/Min 6-40 Bar 5.5-400 Kw Electrical Stationary Industrial AC Power Direct Driven/Coupled Rotary Screw Air Compressors Advantages
1.CZPT Enhanced energy saving screw air compressor reached the super energy saving level
2.Energy Efficient Index 1(EEI 1) approved according to GB19153-2009, the energy consumption is 10%~15% lower than EEI 2.
3.CZPT air compressor design with 72 types of technology patent, real bigger air flow
4.State-of-the-art screw element, original Germany CZPT air end, ladvanced SAP profile design, superior Sweden CZPT element bearings
5.CZPT air compressdor dopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany, Danfoss pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.
6.Smart touch screen design and 0 pressure drop design
7.Higher efficiency cooling system and electrical motor
8.Stainless steel pipes, reasonable inner design, ensure long service life without maintenance.
Technical Parameters Of Energy Saving Rotary Screw Air Compressor
| Model | Maxinmum working | Capacity(FAD)* | Installed motor power | Driving mode& | Noise | Dimensions(mm) | Weight | Air outlet | |||||||
| pressure | 50 HZ | 60 HZ | Cooling method | level** | pipe diameter | ||||||||||
| bar(g) | psig | m3/min | cfm | m3/min | cfm | kw | hp | dB(A) | L | W | H | kg | |||
| DA-5 | 7.5 | 109 | 0.80 | 28 | 0.80 | 28 | 5.5 | 7.5 | Belt Driven | 75 | 900 | 600 | 860 | 315 | G3/4″ |
| 8.5 | 123 | 0.78 | 28 | 0.78 | 28 | 5.5 | 7.5 | Air Cooling | 75 | 900 | 600 | 860 | |||
| DA-7 | 7.5 | 109 | 1.09 | 39 | 1.09 | 39 | 7.5 | 10 | 75 | 900 | 600 | 860 | 315 | G3/4″ | |
| 8.5 | 123 | 1.07 | 38 | 1.07 | 38 | 7.5 | 10 | 75 | 900 | 600 | 860 | ||||
| 10.5 | 152 | 0.92 | 32 | 0.91 | 32 | 7.5 | 10 | 75 | 900 | 600 | 860 | ||||
| 13.0 | 189 | 0.73 | 26 | 0.72 | 26 | 7.5 | 10 | 75 | 900 | 600 | 860 | ||||
| DA-11 | 7.5 | 109 | 1.66 | 59 | 1.66 | 59 | 11 | 15 | 75 | 1230 | 650 | 900 | 324 | G3/4″ | |
| 8.5 | 123 | 1.64 | 58 | 1.64 | 58 | 11 | 15 | 75 | 1230 | 650 | 900 | ||||
| 10.5 | 152 | 1.45 | 51 | 1.45 | 51 | 11 | 15 | 75 | 1230 | 650 | 900 | ||||
| 13.0 | 189 | 1.13 | 40 | 1.12 | 40 | 11 | 15 | 75 | 1230 | 650 | 900 | ||||
| DA-15 | 7.5 | 109 | 2.54 | 90 | 2.53 | 89 | 15 | 20 | Direct Driven | 75 | 1465 | 990 | 1345 | 453 | G1-1/4″ |
| 8.5 | 123 | 2.51 | 88 | 2.50 | 88 | 15 | 20 | Air Cooling | 75 | 1465 | 990 | 1345 | |||
| 10.5 | 152 | 1.97 | 70 | 1.86 | 66 | 15 | 20 | 75 | 1465 | 990 | 1345 | ||||
| 13.0 | 189 | 1.91 | 67 | 1.83 | 65 | 15 | 20 | 75 | 1465 | 990 | 1345 | ||||
| DA-18 | 7.5 | 109 | 3.04 | 107 | 3.65 | 129 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | 453 | G1-1/4″ | |
| 8.5 | 123 | 3.03 | 107 | 3.63 | 128 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | ||||
| 10.5 | 152 | 3.00 | 106 | 2.38 | 84 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | ||||
| 13.0 | 189 | 1.91 | 67 | 2.36 | 83 | 18.5 | 25 | 75 | 1465 | 990 | 1345 | ||||
| DA-22 | 7.5 | 109 | 3.57 | 126 | 3.65 | 129 | 22 | 30 | 75 | 1465 | 990 | 1345 | 477 | G1-1/4″ | |
| 8.5 | 123 | 3.55 | 125 | 3.63 | 128 | 22 | 30 | 75 | 1465 | 990 | 1345 | ||||
| 10.5 | 152 | 3.00 | 106 | 2.38 | 84 | 22 | 30 | 75 | 1465 | 990 | 1345 | ||||
| 13.0 | 189 | 2.97 | 105 | 2.36 | 83 | 22 | 30 | 75 | 1465 | 990 | 1345 | ||||
| DA-30 | 7.5 | 109 | 5.28 | 187 | 4.49 | 159 | 30 | 40 | 85 | 1600 | 1250 | 1550 | 682 | G1-1/2″ | |
| 8.5 | 123 | 5.26 | 186 | 4.48 | 158 | 30 | 40 | 85 | 1600 | 1250 | 1550 | ||||
| 10.5 | 152 | 5.21 | 184 | 4.47 | 158 | 30 | 40 | 85 | 1600 | 1250 | 1550 | ||||
| 13.0 | 189 | 3.45 | 122 | 3.58 | 126 | 30 | 40 | 85 | 1600 | 1250 | 1550 | ||||
| DA-37 | 7.5 | 109 | 6.54 | 231 | 6.33 | 224 | 37 | 50 | 85 | 1600 | 1250 | 1550 | 728 | G1-1/2″ | |
| 8.5 | 123 | 6.52 | 230 | 6.30 | 222 | 37 | 50 | 85 | 1600 | 1250 | 1550 | ||||
| 10.5 | 152 | 5.21 | 184 | 4.47 | 158 | 37 | 50 | 85 | 1600 | 1250 | 1550 | ||||
| 13.0 | 189 | 5.16 | 182 | 4.43 | 156 | 37 | 50 | 85 | 1600 | 1250 | 1550 | ||||
| DA-45 | 7.5 | 109 | 7.67 | 271 | 7.79 | 275 | 45 | 60 | 85 | 1600 | 1250 | 1550 | 728 | G1-1/2″ | |
| 8.5 | 123 | 7.62 | 269 | 7.76 | 574 | 45 | 60 | 85 | 1600 | 1250 | 1550 | ||||
| 10.5 | 152 | 6.46 | 228 | 6.24 | 220 | 45 | 60 | 85 | 1600 | 1250 | 1550 | ||||
| 13.0 | 189 | 6.41 | 226 | 4.44 | 157 | 45 | 60 | 85 | 1600 | 1250 | 1550 | ||||
| DA-55 | 7.5 | 109 | 9.76 | 345 | 9.14 | 323 | 55 | 75 | 85 | 1876 | 1326 | 1700 | 1310 | G2″ | |
| 8.5 | 123 | 9.67 | 342 | 9.06 | 320 | 55 | 75 | 85 | 1876 | 1326 | 1700 | ||||
| 10.5 | 152 | 7.53 | 266 | 7.74 | 273 | 55 | 75 | 85 | 1876 | 1326 | 1700 | ||||
| 13.0 | 189 | 7.40 | 261 | 6.30 | 222 | 55 | 75 | 85 | 1876 | 1326 | 1700 | ||||
| DA-75 | 7.5 | 109 | 14.21 | 502 | 11.72 | 414 | 75 | 100 | 85 | 1876 | 1326 | 1700 | 1325 | G2″ | |
| 8.5 | 123 | 12.55 | 443 | 11.63 | 411 | 75 | 100 | 85 | 1876 | 1326 | 1700 | ||||
| 10.5 | 152 | 9.51 | 336 | 11.43 | 404 | 75 | 100 | 85 | 1876 | 1326 | 1700 | ||||
| 13.0 | 189 | 9.23 | 326 | 8.75 | 309 | 75 | 100 | 85 | 1876 | 1326 | 1700 | ||||
| DA-90(W) | 7.5 | 109 | 16.62 | 587 | 17.01 | 601 | 90 | 120 | Direct Driven | 72 | 2450 | 1800 | 1700 | 2450 | DN80 |
| 8.5 | 123 | 16.37 | 578 | 16.82 | 594 | 90 | 120 | Air Cooling Or | 72 | 2450 | 1800 | 1700 | |||
| 10.5 | 152 | 14.21 | 502 | 14.87 | 525 | 90 | 120 | Water Cooling | 72 | 2450 | 1800 | 1700 | |||
| 13.0 | 189 | 11.77 | 416 | 11.27 | 398 | 90 | 120 | 72 | 2450 | 1800 | 1700 | ||||
| DA-110(W) | 7.5 | 109 | 20.13 | 711 | 19.10 | 674 | 110 | 150 | 72 | 2450 | 1800 | 1700 | 2500 | DN80 | |
| 8.5 | 123 | 20.05 | 708 | 19.06 | 673 | 110 | 150 | 72 | 2450 | 1800 | 1700 | ||||
| 10.5 | 152 | 16.33 | 576 | 17.01 | 601 | 110 | 150 | 72 | 2450 | 1800 | 1700 | ||||
| 13.0 | 189 | 14.11 | 498 | 14.68 | 518 | 110 | 150 | 72 | 2450 | 1800 | 1700 | ||||
| DA-132(W) | 7.5 | 109 | 22.85 | 807 | 24.37 | 861 | 132 | 175 | 72 | 2450 | 1800 | 1700 | 2600 | DN80 | |
| 8.5 | 123 | 22.73 | 802 | 24.23 | 856 | 132 | 175 | 72 | 2450 | 1800 | 1700 | ||||
| 10.5 | 152 | 19.88 | 702 | 18.95 | 669 | 132 | 175 | 72 | 2450 | 1800 | 1700 | ||||
| 13.0 | 189 | 16.51 | 583 | 16.82 | 594 | 132 | 175 | 72 | 2450 | 1800 | 1700 | ||||
| DA-160(W) | 7.5 | 109 | 26.92 | 950 | 27.90 | 985 | 160 | 215 | 78 | 2650 | 1700 | 1850 | 3200 | DN80 | |
| 8.5 | 123 | 26.86 | 949 | 27.76 | 980 | 160 | 215 | 78 | 2650 | 1700 | 1850 | ||||
| 10.5 | 152 | 22.44 | 792 | 23.97 | 846 | 160 | 215 | 78 | 2650 | 1700 | 1850 | ||||
| 13.0 | 189 | 19.63 | 693 | 18.82 | 664 | 160 | 215 | 78 | 2650 | 1700 | 1850 | ||||
| DA-185(W) | 7.5 | 109 | 28.89 | 1571 | 30.53 | 1078 | 185 | 250 | 78 | 2650 | 1700 | 1850 | 3300 | DN80 | |
| 8.5 | 123 | 28.84 | 1018 | 30.44 | 1075 | 185 | 250 | 78 | 2650 | 1700 | 1850 | ||||
| 10.5 | 152 | 25.11 | 886 | 27.46 | 970 | 185 | 250 | 78 | 2650 | 1700 | 1850 | ||||
| 13.0 | 189 | 22.08 | 780 | 23.69 | 836 | 185 | 250 | 78 | 2650 | 1700 | 1850 | ||||
| DA-200(W) | 7.5 | 109 | 31.88 | 1126 | 30.53 | 1078 | 200 | 270 | 80 | 3000 | 1950 | 2030 | 4750 | DN100 | |
| 8.5 | 123 | 31.82 | 1124 | 30.44 | 1075 | 200 | 270 | 80 | 3000 | 1950 | 2030 | ||||
| 10.5 | 152 | 28.48 | 1006 | 30.22 | 1067 | 200 | 270 | 80 | 3000 | 1950 | 2030 | ||||
| 13.0 | 189 | 25.00 | 883 | 27.07 | 956 | 200 | 270 | 80 | 3000 | 1950 | 2030 | ||||
| DA-220(W) | 7.5 | 109 | 36.20 | 1278 | 37.22 | 1314 | 220 | 300 | 80 | 3000 | 1950 | 2030 | 4800 | DN100 | |
| 8.5 | 123 | 36.15 | 1276 | 37.17 | 1312 | 220 | 300 | 80 | 3000 | 1950 | 2030 | ||||
| 10.5 | 152 | 31.71 | 1120 | 33.25 | 1174 | 220 | 300 | 80 | 3000 | 1950 | 2030 | ||||
| 13.0 | 189 | 28.48 | 1006 | 27.07 | 956 | 220 | 300 | 80 | 3000 | 1950 | 2030 | ||||
| DA-250(W) | 7.5 | 109 | 43.31 | 1529 | 42.87 | 1514 | 250 | 350 | 80 | 3000 | 1950 | 2030 | 4850 | DN100 | |
| 8.5 | 123 | 43.24 | 1527 | 41.30 | 1458 | 250 | 350 | 80 | 3000 | 1950 | 2030 | ||||
| 10.5 | 152 | 36.03 | 1272 | 37.04 | 1308 | 250 | 350 | 80 | 3000 | 1950 | 2030 | ||||
| 13.0 | 189 | 31.55 | 1114 | 33.15 | 1170 | 250 | 350 | 80 | 3000 | 1950 | 2030 | ||||
| DA-280(W) | 7.5 | 109 | 46.59 | 1645 | 47.16 | 1665 | 280 | 375 | 85 | 3700 | 2300 | 2450 | 5200 | DN125 | |
| 8.5 | 123 | 46.53 | 1643 | 45.64 | 1612 | 280 | 375 | 85 | 3700 | 2300 | 2450 | ||||
| 10.5 | 152 | 42.95 | 1516 | 42.56 | 1503 | 280 | 375 | 85 | 3700 | 2300 | 2450 | ||||
| 13.0 | 189 | 35.89 | 1267 | 36.95 | 1305 | 280 | 375 | 85 | 3700 | 2300 | 2450 | ||||
| DA-315(W) | 7.5 | 109 | 53.16 | 1877 | 50.88 | 1797 | 315 | 425 | 85 | 3700 | 2300 | 2450 | 6000 | DN125 | |
| 8.5 | 123 | 52.63 | 1858 | 50.83 | 1795 | 315 | 425 | 85 | 3700 | 2300 | 2450 | ||||
| 10.5 | 152 | 43.05 | 1520 | 46.27 | 1634 | 315 | 425 | 85 | 3700 | 2300 | 2450 | ||||
| 13.0 | 189 | 42.93 | 1516 | 40.32 | 1424 | 315 | 425 | 85 | 3700 | 2300 | 2450 | ||||
| DA-355(W) | 7.5 | 109 | 63.37 | 2238 | 58.12 | 2052 | 355 | 475 | 85 | 4500 | 2500 | 2450 | 7000 | DN125 | |
| 8.5 | 123 | 63.16 | 2230 | 56.54 | 1997 | 355 | 475 | 85 | 4500 | 2500 | 2450 | ||||
| 10.5 | 152 | 52.63 | 1858 | 51.57 | 1821 | 355 | 475 | 85 | 4500 | 2500 | 2450 | ||||
| 13.0 | 189 | 43.79 | 1546 | 45.35 | 1601 | 355 | 475 | 85 | 4500 | 2500 | 2450 | ||||
| DA-400(W) | 7.5 | 109 | 70.99 | 2507 | 61.72 | 2179 | 400 | 550 | 85 | 4500 | 2500 | 2450 | 8000 | DN125 | |
| 8.5 | 123 | 70.64 | 2494 | 59.72 | 2109 | 400 | 550 | 85 | 4500 | 2500 | 2450 | ||||
| 10.5 | 152 | 52.63 | 1858 | 56.52 | 1996 | 400 | 550 | 85 | 4500 | 2500 | 2450 | ||||
| 13.0 | 189 | 46.34 | 1636 | 51.35 | 1813 | 400 | 550 | 85 | 4500 | 2500 | 2450 | ||||
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) EEI 1- Energy Effiency Index 1, which refers to enhanced energy saving series
Specifications are subject to change without notice.
DENAIR Factory & Product Lines
DENAIR Exhibition
We carefully selected for you the classic case
Enhanced Energy Saving Air Compressor in Oman
Project Name: Sandblasting in Muscat, Oman.
Product Name: 75KW 100HP Enhanced Energy Saving screw air compressor EEI 1 (Energy Efficiency Index 1) with air dryer, air receiver tank and air filters.
Model No. & Qty: DA-75+ x 1.
Working Time: From June, 2016 till now
Event: In June, 2015, 1 set of CZPT enhanced energy saving air compressor system was installed in Muscat Oman. This is the first project finished by CZPT distributor in Oman. Our partner Mr. Hari shared the photos at working site to us as a good starting. That means more and more CZPT energy saving solutions will contribute to the industries in Oman in the near future. CZPT air compressor factory and air compressor distributor will try the best to provide top quality products, cost effective solution and excellent service for local users in Oman. In order to ensure the most professional service, the distributor plans to send 2 service engineers to CZPT factory in ZheJiang for training and learnin. We will update the news at that time.
FAQ
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2:No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China
.
Q3: Warranty terms of your air compressor machine?
A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the air compressor?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
Types of Air Compressors
There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
Air Compressors
Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
Single-stage models
When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.
Low-noise models
Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
Oil-free models
A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.


China Low Noise 30% Energy Saving 7.5kw-37kw 10HP-50HP 8/10/13/16 Bar High Pressure Oilless Oil Free Industrial Single Rotary Screw Type Air Compressor with CE & ISO
Product Description
Product Description
Brief Introduction:
Air end: German Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor.
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor.
Delivery time: 7-15 days.
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.
Certificate: CE/ISO9001/ASME
We offer free pipe and valves for installation and installation diagram
Porduct Advantages
1. Air end of screw air compressor
The air end is with state-of-the art screw element and 4 -6 SKF bearings to make sure it plenty of air output and longer lifetime.
2.Electric Motor of the air compressor
Name brand qualified IP54 ,F insulation, IE2 , IE3 motor , high efficiency and energy saving.
3. Intake valve of the screw air compressor
High efficiency intake valve protects the compressor components by removing 99% dirty particles down to 3 microns.
4. Oil Air separator
High efficiency separating for oil and air and low oil content in the compressed air.
5. Touch Screen Controller.
6. High efficient Centrifugal fan can give best cooling for screw compressor.
7.Dust proof mesh to protect electrical control system
Detailed Photos
Product Parameters
| Technical Specifications of screw type air compressor | ||||||||||
| Model | Air Flow (m³/min) | Motor Power | Noise | Outlet Diameter | Dimension | Weight | ||||
| 7bar | 8bar | 10bar | 13bar | kw | dB | inch | W*D*H (mm) | kg | ||
| YP-10A | 1.1 | 1.0 | 0.85 | 0.7 | 7.5 | 65 | G1” | 960*680*960 | 280 | |
| YP-15A | 1.8 | 1.65 | 1.5 | 1.3 | 11 | 65 | G1” | 1050*830*1240 | 380 | |
| YP-20A | 2.4 | 2.2 | 2.1 | 1.8 | 15 | 68 | G1” | 1050*830*1240 | 380 | |
| YP-25A | 3.1 | 3.0 | 2.7 | 2.3 | 18.5 | 68 | G1” | 1200*830*1290 | 480 | |
| YP-30A | 3.8 | 3.6 | 3.2 | 2.5 | 22 | 68 | G1” | 1200*830*1290 | 480 | |
| YP-40A | 5.3 | 5.0 | 4.3 | 3.6 | 30 | 69 | G11/2” | 1300*1000*1540 | 710 | |
| YP-50A | 6.6 | 6.2 | 5.7 | 4.6 | 37 | 69 | G11/2” | 1300*1000*1540 | 710 | |
| YP-60A | 8.0 | 7.7 | 6.9 | 6.0 | 45 | 70 | G11/2” | 1500*1160*1700 | 990 | |
| YP-75A | 10.5 | 9.8 | 8.7 | 7.3 | 55 | 70 | G11/2” | 1500*1160*1700 | 990 | |
| YP-100A | 13.6 | 13.0 | 11.3 | 10.1 | 75 | 72 | G2” | 1700*1180*1800 | 1300 | |
| YP-125A | 16.2 | 15.4 | 13.2 | 11.2 | 90 | 72 | DN50 | 1850*1200*1900 | 1400 | |
| YP-150A | 20.8 | 19.5 | 16.5 | 13.7 | 110 | 73 | DN65 | 2250*1260*2055 | 1560 | |
| Remarks: | ||||||||||
| 1. working ambinent temperature: -5ºC-45ºC; | ||||||||||
| 2. exhausting air temperature ≤ working ambinent temperature +10ºC-15ºC; | ||||||||||
| 3. starting mode: Y-△; | ||||||||||
| 4. exhausting oil content: <3ppm; | ||||||||||
| 5. certificate: CE/ISO9001/ASME; | ||||||||||
| 6. voltage: 380V/220V/400V/440V/415V | ||||||||||
Manufacturing center
Certifications
1. ISO9001;
2. SGS;
3. CE;
4. 12 patents for screw compressor.
QC Management
Re-factory quality control process:
1.Installation inspection of the whole air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items:
A . Confirm the nose and motor nameplates;
B . Check whether there is oil leakage in the pipeline and oil circuit of the air compressor; C . the air compressor machine screw locking inspection..
2. Rotary screw type air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.Air compressor factory before 48 hours of thermal test, stability confirmation.
3. 24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.
Product Case
Rotary Screw type Air compressor packing method
1. Screw air compressor packaging is divided into 3 layers from inside to outside:
1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint.
2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision.
3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.
F.A.Q
Q1. Why do customers choose us?
Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 18 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.
Q2. Are you a manufacturer or trading company?
We are a professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
Q3. What’s your delivery time?
Generally 7-15 days, if urgent order, we can arrange, too.
Q4. How long is your air compressor warranty?
2 year for the whole machine and 5years for screw air end, except consumable spare parts.
Q5. How long could your air compressor be used for?
At least 10 years.
Q6. What’s payment term?
T/T, L/C, Western Union, Credit Card, and etc.
Q7. How about your customer service?
24 hours on-line service for all our clients.
Q8. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.
3. PlHangZhou for oversea after-sales supporting company
What to Look For When Buying an Air Compressor
An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.
Single-stage air compressors are quieter
When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours.
While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport.
Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy.
Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you.
One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
Two-stage air compressors are more energy efficient
Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors.
Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice.
Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors.
Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.
Piston-driven air compressors are quieter
A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet.
Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool.
Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’.
Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
Oil-lubricated air compressors are more cost-effective
There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place.
Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.


China 220HP/160kw Oilless Pm Motor Variable Frequency Inverter Screw Air Compressor
Product Description
220HP/160kw Oilless Pm Motor Variable Frequency Inverter Screw Air Compressor
1. Photo & core components for our Twin Rotary screw air compressor :
2. Product Description & advantages for GREAT PM variable speed screw air compressor:
Description:
Motor:
- Oil cooling high efficiency permanent magnet motor
- Insulation grade F, protection grade IP54,adapt to the high dusty environment. IE4 Efficiency motor efficiency.
- Max.RPM 1500,low noise, high efficiency, better life-span.
- Split design, easy maintenance. Easy for installation and service.
- Without gearbox design, motor is connected directly with rotor through the coupling, high transmission efficiency.
- Low temperature rise, independent cooling fan design, so that the motor cooling is not affected by the speed regulation.
- With PT100 temperature protection switch to avoid high temperature degaussing.
- Large speed range, high precision and large adjustment range.
- Premium Magnetic material resist more than 180ºC temp
- Fantastic Energy Saving, save up to more than 30-40%
Inverter :
1. dual variable frequency inverter
2.Dual variable frequency system: permanent magnet motor variable frequency + cooling fan motor variable frequency , one-piece integrated structure, extreme energy saving.
3.Constant pressure air supply: the supply pressure is precisely controlled under 0.01 MPa.
3.Constant temperature air supply: constant temperature set at 85 ºC, with the best lubrication
4.Eliminates empty load, reduces the empty load energy consumption by 45%.
Eliminate overpressure
5.Large Frequency range 30%~ 100%
6.Vector air supply, accurate calculation, ensure that the air flow of Compressor is consistent with the demand of the user system.
Intelligent control system :
1.Direct display: discharge temperature, discharge pressure, operating frequency, current, power, running state, etc.
2.Real-time monitoring of discharge temperature, discharge pressure, current, frequency fluctuation.
3.Optional the Internet of things module, external cloud intelligent management system, realize the functions such as remote start-stop and remote online monitorin
Advantages / why choose the PM VSD screw air comrpessor ?
The permanent magnet motor remains high efficiency at low speeds, ensuring obvious energy-saving advantages in small air volume
-Frequency range from 0%-100%(common conversion from 60%-100%)
-Compared with the fixed speed compressor, energy saving 22%-40%
-Compared with the common inverter compressor, energy saving 5%-15%
System volume fluctuations larger, the energy-saving effect more obvious.
3.Technical Parameters for Wholesale 7-13 Bar Best Price Quiet Stationary Electric AC power Variable Frequency Direct Drive Oil Type Pm VSD Inverter Rotary Twin Screw Air Compressor :
:
| Model | Working pressure (Bar) | Flow Air Capacity (m3/min) | Power (Kw) | Noise (dBa) | Dimensions (mm) | Outlet pipe size | Weight (Kg) |
| TKLYC-7F | 7/8/10 | 1.23/1.16/1.02 | 7.5 | 65±3 | 840*670*925 | G3/4 | 350 |
| TKLYC-11F | 7/8/10 | 1.65/1.62/1.4 | 7.5 | 65±3 | 1000*820*1145 | G3/4 | 390 |
| TKLYC-15F | 7/8/10 | 2.65/2.24/2.1 | 15 | 65±3 | 1300*850*1257 | G1 | 410 |
| TKLYC-18F | 7/8/10 | 3.1/3.0/2.7 | 18.5 | 65±3 | 1300*850*1257 | G1 | 440 |
| TKLYC-22F | 7/8/10 | 3.8/3.7/3.3 | 22 | 65±3 | 1300*850*1258 | G1 | 650 |
| TKLYC-30F | 7/8/10 | 5.3/5.1/4.5 | 30 | 68±3 | 1600*1100*1430 | G1 1/2 | 800 |
| TKLYC-37F | 7/8/10 | 6.7/6.5/5.7 | 37 | 68±3 | 1600*1100*1430 | G1 1/2 | 850 |
| TKLYC-45F | 7/8/10 | 8.6/8.0/7.1 | 45 | 68±3 | 1600*1100*1430 | G1 1/2 | 900 |
| TKLYC-55F | 7/8/10 | 10.3/10.1/9.3 | 55 | 72±3 | 1750*1150*1500 | DN50 | 1650 |
| TKLYC-75F | 7/8/10 | 14.0/13.5/12.5 | 75 | 72±3 | 1750*1150*1500 | DN50 | 1800 |
| TKLYC-90F | 7/8/10 | 17.2/15.9/14.0 | 90 | 72±3 | 2000*1150*1680 | DN50 | 1950 |
| TKLYC-110F | 7/8/10 | 21.4/19.9/18.1 | 110 | 73±3 | 2300*1540*1900 | DN80 | 2500 |
| TKLYC-132F | 7/8/10 | 24.6/23.8/22.1 | 132 | 73±3 | 2300*1540*1900 | DN80 | 2600 |
| TKLYC-160F | 7/8/10 | 28.7/27.1/25.2 | 160 | 75±3 | 2900*1540*2120 | DN80 | 3600 |
| TKLYC-185F | 7/8/10 | 33.5/30.5/27.0 | 185 | 76±3 | 3100*1940*2389 | DN80 | 4200 |
| TKLYC-200F | 7/8/10 | 36.5/33.5/30.6 | 200 | 78±3 | 3100*1940*2389 | DN100 | 4400 |
| TKLYC-250F | 7/8/10 | 45.3/43.0/38.1 | 250 | 78±3 | 3400*2050*2330 | DN100 | 4900 |
4. Certificate for Wholesale 7-13 Bar Best Price Quiet Stationary Electric AC power Variable Frequency Direct Drive Oil Type Pm VSD Inverter Rotary Twin Screw Air Compressor :
5.Applications:
6.Packing &Shipping:
7. FAQ:
Q1: Are you factory or trade company?
A1: We are factory.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: How long will you take to arrange production?
A4: 380V 50HZ we can delivery the goods within 20 days. Other voltage we will delivery within 30 days.
Q5: Can you accept OEM orders?
A5: Yes, with professional design team, OEM orders are highly welcome!
8. our factory :
9. Exhibition:
10 .Our Service
10.1 After-sale Service
• Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.
• Warranty: One year for the whole machine 2 year for air end , and spare parts will be provided with best price.
• Over board engineer service is available.
10.2 Special Customized Service
1) Full OEM
• Quantity: at least 5 pcs
• In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee.
2) Half OEM
• Quantity: no limit
• Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ.
3) Logo OEM
• Quantity: no limit
• Only the logo will be changed to yours, and no extra fee will be charged.
10.3 Overseas Engineer Service
• We are available to send our engineer for aboard service. Only need you to arrange the accommodation, transportation and translator. Extra cost for each will be discussed based on local price level
11.Contact:
What to Look For When Buying an Air Compressor
An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.
Single-stage air compressors are quieter
When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours.
While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport.
Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy.
Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you.
One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
Two-stage air compressors are more energy efficient
Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors.
Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice.
Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors.
Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.
Piston-driven air compressors are quieter
A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet.
Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool.
Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’.
Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
Oil-lubricated air compressors are more cost-effective
There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place.
Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.


China High Pressure CZPT Energy Saving AC Power Germany Technology Oilless Oil Less Direct Driven/Coupling 16-40bar Rotary Screw Air Compressor
Product Description
Industrial Low-Noise Electric Stationary AC Power Oil Lubricated Medium High Pressure Direct Driven Rotary Screw Type Air Compressor Advantages
1.Superior design with 72 types of technology patent, 2 stages compression, realize maximum energy saving and lowest noise level.
2.State-of-the-art screw element, original Germany CZPT air end, ladvanced SAP profile design, superior Sweden CZPT element bearings
3.Adopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany, pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.
4.Intelligent controller and multi-language LCD keep the outstanding safety
performance.
5.Stainless steel oil pipe and air pipe, high temperature resistant (400ºC=752ºF) and low temperature resistant(-270ºC=518ºF), high pressure resistant.lUltra-long life(80 years), completely leak free and maintenance free
6.Conform to CE, ISO9001 and energy saving certification, etc.
The Technical Parameters Of High Pressure Rotary Screw Air Compressor
| Model | Maxinmum working pressure | Capacity(FAD)* | Installed motor | Driving mode& Cooling method |
Noise level** | Dimensions(mm) | Weight | Air outlet pipe diameter |
|||||||||||
| 50 HZ | 60 HZ | power | |||||||||||||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | ||||||||||||
| bar(g) | psig | m³/min | cfm | m³/min | cfm | kw | hp | dB(A) | L | W | H | kg | |||||||
| DVAH-90-16 | 16 | 232 | 3.73 | 9.24 | 131 | 326 | 4.28 | 8.57 | 151 | 303 | 90 | 120 | Direct Driven Air Cooling /W-Water Cooling |
78 | 2800 | 1600 | 1700 | 2500 | DN50 |
| DVAH-90-18 | 18 | 261 | 4.29 | 10.73 | 151 | 379 | 5.39 | 10.78 | 190 | 381 | 90 | 120 | 78 | 2800 | 1600 | 1700 | 2500 | DN50 | |
| DVAH-90-20 | 20 | 290 | 4.24 | 10.61 | 150 | 375 | 5.33 | 10.67 | 188 | 377 | 90 | 120 | 78 | 2800 | 1600 | 1700 | 2500 | DN50 | |
| DVAH-90-25 | 25 | 363 | 4.14 | 10.35 | 146 | 365 | 4.76 | 9.51 | 168 | 336 | 90 | 120 | 78 | 2800 | 1600 | 1700 | 2500 | DN50 | |
| DVAH-110-16 | 16 | 232 | 5.32 | 13.3 | 188 | 470 | 5.81 | 11.62 | 205 | 410 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-110-18 | 18 | 261 | 5.78 | 14.45 | 204 | 510 | 5.58 | 11.16 | 197 | 394 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-110-20 | 20 | 290 | 5.73 | 14.33 | 202 | 506 | 5.38 | 10.76 | 190 | 380 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-110-25 | 25 | 363 | 4.86 | 12.15 | 172 | 429 | 5.28 | 10.56 | 186 | 373 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-110-30 | 30 | 435 | 4.95 | 12.38 | 175 | 437 | 5.15 | 10.3 | 182 | 364 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-110-35 | 35 | 508 | 4.24 | 10.6 | 150 | 374 | 5.1 | 10.2 | 180 | 360 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-110-40 | 40 | 580 | 4.21 | 10.53 | 149 | 372 | 5.6 | 11.2 | 198 | 395 | 110 | 150 | 78 | 2800 | 1600 | 1700 | 3200 | DN50 | |
| DVAH-132-16 | 16 | 232 | 5.35 | 13.37 | 189 | 472 | 7.25 | 14.5 | 256 | 512 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-132-18 | 18 | 261 | 5.81 | 14.53 | 205 | 513 | 6.5 | 12.99 | 229 | 459 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-132-20 | 20 | 290 | 5.75 | 14.37 | 203 | 507 | 6.42 | 12.84 | 227 | 453 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-132-25 | 25 | 363 | 4.87 | 12.18 | 172 | 430 | 6.23 | 12.46 | 220 | 440 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-132-30 | 30 | 435 | 4.97 | 12.43 | 176 | 439 | 5.25 | 10.5 | 185 | 371 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-132-35 | 35 | 508 | 4.26 | 10.64 | 150 | 376 | 5.2 | 10.4 | 184 | 367 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-132-40 | 40 | 580 | 4.22 | 10.56 | 149 | 373 | 5.15 | 10.3 | 182 | 364 | 132 | 175 | 78 | 2800 | 1600 | 1700 | 3950 | DN50 | |
| DVAH-160-16 | 16 | 232 | 6.17 | 15.43 | 218 | 545 | 9.39 | 18.78 | 332 | 663 | 160 | 215 | 80 | 2800 | 1600 | 2000 | 5000 | DN65 | |
| DVAH-160-18 | 18 | 261 | 6.76 | 16.91 | 239 | 597 | 9.22 | 18.43 | 325 | 651 | 160 | 215 | 80 | 2800 | 1600 | 2000 | 5000 | DN65 | |
| DVAH-160-20 | 20 | 290 | 6.66 | 16.65 | 235 | 588 | 8.07 | 16.13 | 285 | 570 | 160 | 215 | 80 | 2800 | 1600 | 2000 | 5000 | DN65 | |
| DVAH-160-25 | 25 | 363 | 5.89 | 14.73 | 208 | 520 | 7.99 | 15.97 | 282 | 564 | 160 | 215 | 80 | 2800 | 1600 | 2000 | 5000 | DN65 | |
| DVAH-185-16 | 16 | 232 | 6.55 | 16.37 | 231 | 578 | 10.3 | 20.6 | 364 | 727 | 185 | 250 | 80 | 2800 | 1600 | 2000 | 5500 | DN65 | |
| DVAH-185-18 | 18 | 261 | 7.29 | 18.21 | 321 | 643 | 10.19 | 20.37 | 360 | 719 | 185 | 250 | 80 | 2800 | 1600 | 2000 | 5500 | DN65 | |
| DVAH-185-20 | 20 | 290 | 7.2 | 18.01 | 254 | 636 | 8.81 | 17.62 | 311 | 622 | 185 | 250 | 80 | 2800 | 1600 | 2000 | 5500 | DN65 | |
| DVAH-185-25 | 25 | 363 | 7.06 | 17.65 | 249 | 623 | 8.73 | 17.45 | 308 | 616 | 185 | 250 | 80 | 2800 | 1600 | 2000 | 5500 | DN65 | |
| DVAH-200-16 | 16 | 232 | 8.68 | 21.71 | 307 | 766 | 11.94 | 23.88 | 422 | 843 | 200 | 270 | 85 | 3300 | 2000 | 2100 | 6000 | DN80 | |
| DVAH-200-18 | 18 | 261 | 10.64 | 26.61 | 376 | 940 | 11.32 | 22.64 | 400 | 799 | 200 | 270 | 85 | 3300 | 2000 | 2100 | 6000 | DN80 | |
| DVAH-200-20 | 20 | 290 | 9.7 | 24.25 | 343 | 856 | 10.69 | 21.37 | 377 | 755 | 200 | 270 | 85 | 3300 | 2000 | 2100 | 6000 | DN80 | |
| DVAH-200-25 | 25 | 363 | 8.84 | 22.09 | 312 | 780 | 9.1 | 18.19 | 321 | 642 | 200 | 270 | 85 | 3300 | 2000 | 2100 | 6000 | DN80 | |
| DVAH-220-16 | 16 | 232 | 9.75 | 24.37 | 344 | 860 | 12.17 | 24.34 | 430 | 859 | 220 | 300 | 85 | 3300 | 2000 | 2100 | 6300 | DN80 | |
| DVAH-220-18 | 18 | 261 | 12.13 | 30.32 | 428 | 1070 | 11.84 | 23.67 | 418 | 836 | 220 | 300 | 85 | 3300 | 2000 | 2100 | 6300 | DN80 | |
| DVAH-220-20 | 20 | 290 | 10.56 | 26.39 | 373 | 932 | 11.21 | 22.42 | 396 | 792 | 220 | 300 | 85 | 3300 | 2000 | 2100 | 6300 | DN80 | |
| DVAH-220-25 | 25 | 363 | 9.6 | 24.01 | 339 | 848 | 10.47 | 20.94 | 370 | 739 | 220 | 300 | 85 | 3300 | 2000 | 2100 | 6300 | DN80 | |
| DVAH-250-16 | 16 | 232 | 10.7 | 26.75 | 378 | 944 | 14.07 | 28.13 | 497 | 993 | 250 | 350 | 85 | 3500 | 2200 | 2100 | 6500 | DN125 | |
| DVAH-250-18 | 18 | 261 | 12.13 | 30.32 | 428 | 1070 | 14 | 27.99 | 494 | 988 | 250 | 350 | 85 | 3500 | 2200 | 2100 | 6500 | DN125 | |
| DVAH-250-20 | 20 | 290 | 12.07 | 30.16 | 426 | 1065 | 12.95 | 25.89 | 457 | 914 | 250 | 350 | 85 | 3500 | 2200 | 2100 | 6500 | DN125 | |
| DVAH-250-25 | 25 | 363 | 10.45 | 26.13 | 369 | 923 | 12.45 | 24.9 | 440 | 879 | 250 | 350 | 85 | 3500 | 2200 | 2100 | 6500 | DN125 | |
| DVAH-280-16 | 16 | 232 | 12.55 | 31.38 | 443 | 1108 | 16.51 | 33.02 | 583 | 1166 | 280 | 375 | 85 | 3500 | 2200 | 2100 | 7000 | DN125 | |
| DVAH-280-18 | 18 | 261 | 14.99 | 37.47 | 529 | 1323 | 14.84 | 29.68 | 524 | 1048 | 280 | 375 | 85 | 3500 | 2200 | 2100 | 7000 | DN125 | |
| DVAH-280-20 | 20 | 290 | 14.84 | 37.09 | 524 | 1310 | 14.69 | 29.38 | 519 | 1037 | 280 | 375 | 85 | 3500 | 2200 | 2100 | 7000 | DN125 | |
| DVAH-280-25 | 25 | 363 | 12.37 | 30.93 | 437 | 1092 | 12.69 | 25.38 | 448 | 896 | 280 | 375 | 85 | 3500 | 2200 | 2100 | 7000 | DN125 | |
| *) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C **) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A) ***) Specifications are subject to change without prior notice |
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DENAIR Factory
DENAIR Certificates
DENAIR Exhibiton
DENAIR Customers
We carefully selected for you the classic case:
DENAIR VSD Screw Air Compressor for Food Processing in USA
Project Name: Coffee manufacturer in Omaha, United States
Product Name: 30KW 40HP direct dirven variable frequency screw air compressor with air dryer and air receiver tank
Model No. & Qty: DVA-30G x 2
Working Time: From January, 2016 till now
Event: In January, 2016, CZPT service team Michael, Sissi and Steven visited our VIP customer in Omaha, United States for technical training for air compressor maintenance. The customer was very satisfied with our good service and VSD energy saving solution.
FAQ
Q1: Are you factory or trade company?
A1: We are factory.
Q2: What the exactly address of your factory?
A2: No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China
Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
Choosing an Air Compressor
Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
Positive displacement
There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.
Oil-injected
Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
Oil-free
When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.
Single-stage
A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
Low-noise
A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.


China Movable Dental AC Oil Max Single Used Mini Rotary Industrial Portable High Pressure Oilless Screw Part Parts Piston Free 2 Air Pump Compressor
Product Description
| Power: | 2x1390w | Voltage: | 220V |
| Exhaust Pressure: | 0.8Mpa | Current: | 16.5A |
| Frequency: | 50/60HZ | Revolving Speed: | 2850rpm |
| Volume of Gas Storage Tank: | 50L | Cylinder: | 4×63.70mm |
Oilless Air Compressor Featuers:
1.Super Silent
Super low noise.The output air pressure is stable without fluctuations, reducing noise pollution.
2. Safety
If the voltage or current cause the machine overheat, it will automatically shut down to protect from burnout.
3. Automatic control
Pressure switch automatically controls the start and stop of the machine.
4. Adjustable air pressure
The air pressure can be adjusted to meet the needs of different equipment usage.
5. Save human power
Switch on the air compressor can work normally & automatically. It is easy to operate and does not need human to be on duty.
6. Easy maintenance
No need to add any lubricant, easy maintenance after purchase.
Parts Features
1.Heavy cast iron body: heavy load, long stroke, low fuel consumption, low noise
2.Cylinder: made of high-grade cast iron, strength, good lubricity, wall by the fine honing, wear-resistant, durable
3.Piston ring: good elasticity, excellent wear resistance, low oil consumption, not easy to make the valve group carbon deposition and loss of oil to burn the crankshaft and connecting rod.
4.The crankshaft, connecting rod, piston: well balanced, wear resistance, high strength, smooth running balance.
5.High reliable and durable valve; strong aluminum alloy body, light and heat.
6.The motor provides reliable power, low voltage start up and running performance strong fan cooled motor and body; special shock proof design.
7.Double nozzles, were used to direct the exhaust and pressure exhaust; pressure switch with push button, safe and convenient
8.Oil free,silent,protect-environment,suitable for dental use.
Frequency Asked Question
1.Are you the manufacturer or trading company?
We are the manufacturer.
2.Where is your factory?
It is located in HangZhou City,ZHangZhoug Province,China.
3.What’s the terms of trade?
FOB,CFR,CIF or EXW are all acceptable.
4.What’s the terms of payment?
T/T,L/C at sight or cash.
5.What’s the lead time?
We are the manufacturer.
It is located in HangZhou City,ZHangZhoug Province,China.
FOB,CFR,CIF or EXW are all acceptable.
T/T,L/C at sight or cash.
In 15 days on receipt of deposit .
6.Do you accept sample order?
Yes,we accept.
7.What about the cost of sample?
You have to pay the freight charge.But the cost of product could be refundable,if you will purchase 1x20GP container in the future.
Yes,we accept.
You have to pay the freight charge.But the cost of product could be refundable,if you will purchase 1x20GP container in the future.
How to Repair and Maintain an Air Compressor
A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.
Positive displacement
Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
oil free
If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
double acting
A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
fuel tank pressure switch
You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.
energy source
The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.


China 8 ~ 10 Bar Oilless Food and Medical Grade 100% Oil Free Silent Pm VSD Rotary Single Screw Type Air Compressor Price
Product Description
2~40bar DIRECT-DRIVE WATER-INJECTED OIL-FREE SCREW AIR COMPRESSOR (PM VSD)
1. Low temperature means more efficiency
With an exceptionally low running temperature of less than 60ºC, near isothermal compression is achieved.
The superior cooling capability of water removes the heat and gives more air per kW of power.
This also eliminates the need for an internal cooler and aftercooler, the associated power consumption reduces pressure drop to a minimum.
2. Cutting the maintenance cost
Spare parts only need air filter elements and water filter elements
Low operating temperature ensures the long service life of the screw air end, avoiding expensive maintenance costs for the screw rotor.
Low temperature reduces the stress on other components ensuring long life.
3. Avoiding the costs of extra energy to combat pressure drop
These costs, although not apparent at the time of purchase, are very high and contribute substantially to the total cost of ownership.
4. No Gearbox No need for associated oil lubrication.
5. Simple structure
Fewer moving parts than the dry oil-free screw air compressor, meaning there is less to go wrong,
while balance bearing loads extend the compression element service life for low-cost operation.
Product Parameters
Product Description
Company Profile
Hot Sale Products
2~10bar Oil-injected 7~16bar All-in-1 Small Single-phase
Screw Air Compressor Screw Air Compressor Screw Air Compressor
2~40bar 100% Oil-free 8~12bar 100% Oil-free Diesel Engine Portable
Screw Air Compressor Scroll Air Compressor Screw Air Compressor
Main Product
What we can supply:
* Oil-injected Screw Air Compressor (2~16 bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~16 bar)
* Single-phase Small Screw Air Compressor for Home use (8~10 bar)
* Water-injected Oil-free Screw Air Compressor (2~40 bar)
* Oil-free Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Portable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts
Choose an Air Compressor for Your Business
There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
Positive displacement
Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
Single-stage
The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
low noise
Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.

China All in One 7.5kw 11kw 15kw 22kw 8/15/16/30 Bar Oilless Industrial Integrated Rotary Single Screw Type Air Compressor with Air Dryer and Tank for Laser Cutting
Product Description
Brief introduction of factory:
1. We have been engaged in r & D, production and sales of air compressors for 19 years;
2. Our air compressor products through CE,SGS,ISO certification, with more than 20 invention patents;
3. Our products are exported to 132 countries and regions around the world;
4. Our air compressor provides a 5-year warranty.
If you have specific parameters and requirements for our Rotary Screw Type Air Compressor, customization is available
Product description of Y-Air 7.5kw 11kw 15kw 22kw 8/15/16/30 Bar Oilless Industrial Integrated Rotary single Screw type Air Compressor with Air Dryer and tank for Laser Cutting
Brief Introduction:
Air end: Germany Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor.
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor.
Delivery time: 7-15 days.
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.
Certificate: CE/ISO9001/ASME
We offer free pipe and valves for installation and installation diagram
Advantages
1.New generation of highly efficient imported host machine
2.Highly efficient permanent magnetic motor
3.CZPT bearing
4.Highly efficient magnetic steel of permanent magnetic motor
5.Intelligent microcomputer control system
6.Energy-saving air inlet control system
7.Highly efficient cooling system
8.Highly efficient professional filtering system
| Screw Air Compressor Main Configuration | ||
| Item | Parts | Brand |
| 1 | Air end | BAOSI/GU(Germany origin) |
| 2 | Intake Valve | Red star(Chian) |
| 3 | Solenoid Valve | CEME (Italy) |
| 4 | Temperature sensor | Red star (China) |
| 5 | Pressure sensor | Huba original (from Switzerland) |
| 6 | Motor | Jiangtian Motor( China) |
| 7 | Coupling | Germany KTR |
| 8 | Thermostat Valve | Italy VMC |
| 9 | PLC | Schneider Electric (France) |
| 10 | Minimal Pressure Valve | Red star(Chian) |
| 11 | Air filter element | Germany MANN |
| 12 | Oil filter element | Germany MANN |
| 13 | Oil separator element | Germany MANN |
| 14 | Bearing | Sweden SKF |
Product Details of Y-Air 7.5kw 11kw 15kw 22kw 8/15/16/30 Bar Oilless Industrial Integrated Rotary single Screw type Air Compressor with Air Dryer and tank for Laser Cutting
Our Certificates:
1. CE;
2. SGS;
3. ISO9001;
4. 20 patents for screw compressor.
Factory Quality Control Process
1.Installation inspection of the whole screw air compressor: check and confirm the whole machine according to the operation instructions and quality control standards. Main inspection items:
A . Confirm the nose and motor nameplates;
B . Check whether there is oil leakage in the pipeline and oil circuit of the air compressor; C . the screw air compressor machine screw locking inspection..
2. Rotary screw type air compressor factory test machine, heat engine: test whether the air compressor operation parameters meet the requirements of customers, including voltage, current, working pressure, exhaust volume, etc.screw Air compressor factory before 48 hours of thermal test, stability confirmation.
3. 24 hours online after-sales service, one-to-1 online guidance installation, debugging, troubleshooting.
Rotary Screw type air compressor packaging process
1. Screw air compressor packaging is divided into 3 layers from inside to outside:
1) The first layer of protection: spray paint on the surface of the machine to protect the surface of the machine. The fouling pull film is wrapped around the surface of the machine to protect the surface of the paint.
2) The second layer of protection: anti-collision protection of the machine. On the basis of lacquer protection, anti-collision buffer cotton is used to protect the machine against collision.
3) The third layer of protection: the case adopts the overall packaging of the non-fumigation wooden case to protect the machine during transportation.
F.A.Q
Q1. Why do customers choose us?
Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 18 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.
Q2. Are you a manufacturer or trading company?
We are a professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
Q3. What’s your delivery time?
Generally 7-10 days, if urgent order, we can arrange, too.
Q4. How long is your air compressor warranty?
2 year for the whole machine and 5years for screw air end, except consumable spare parts.
Q5. How long could your air compressor be used for?
At least 10 years.
Q6. What’s payment term?
T/T, L/C, Western Union, Credit Card, and etc.
Q7. How about your customer service?
24 hours on-line service for all our clients.
Q8. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.
3. PlHangZhou for oversea after-sales supporting company.
How to Repair and Maintain an Air Compressor
A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.
Positive displacement
Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
oil free
If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
double acting
A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
fuel tank pressure switch
You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.
energy source
The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.


China China High Efficiency 7.5-250 Kw Oilless Energy Saving AC Rotary Single Screw Type Air Compressor with CE Used for Industrial
Product Description
| ModelZ | SGD Series | ||||
| Type of Cooling | Air Cooling/Water cooling | ||||
| Motor Power | kw/hp | 7.5~250kw(10~350hp) | |||
| Working Pressure | Mpa | 0.8~1.2(customizable) | |||
| Starting Mode | Y-Δ | ||||
| Type of Driving | Driect driven | ||||
| Voltage | 380V 220V 440V 415V / 3PH / 50HZ 60HZ Can be customized |
||||
| Exhaust Oil Volum | <3ppm | ||||
| Noise | db | 68±2 | |||
| Outlet Air Humidity | ºC | ambient temperature+15ºC | |||
Advantages
-Simple, Compact Design:Sturdy construction with few moving parts, easy to access and maintain ,easy to
replace parts, very reliable and durable.
-Direct Axial Coupling to the Motor:Direct coupling is possible because the high compression ratio permit
slow rotation speeds, eliminating the need for transmission or gears. Fewer parts, mean slower energy
dissipation and simplified maintenance.
-Low Rotation Speeds:Lower speeds reduce vibration, thus diminishing noise and wear, lowering temperature
and eliminating the need for foundations.
-Low Cycle Temperature:Lower temperatures reduce wear,coolant consumption and leakage caused by
distension of parts.Less energy is needed for cooling, and the purity of delivered air is enhanced.
-Low Need for Maintenance:With fewer parts suffering little wear, single-stage rotary units offer cleaner and
more reliable operation, significantly reducing maintenance needs.
Technical Data of Direct Drive Electric Motor Screw Air Compressors
| Model | Working Pressure | Capacity | Motor Power | Dimension (mm) |
Net Weight (KGS) |
Air Outlet Pipe Diameter | ||
| Psi | bar | Cfm | m3/min | kw/hp | ||||
| SGD08 | 102 | 7 | 42.4 | 1.2 | 7.5/10 | 900*670*850 | 200 | 1/2” |
| 116 | 8 | 38.8 | 1.1 | |||||
| 145 | 10 | 33.5 | 0.95 | |||||
| 174 | 10 | 28.3 | 0.8 | |||||
| SGD11 | 102 | 7 | 58.3 | 1.65 | 11/15 | 1080*750*1571 | 280 | 3/4” |
| 116 | 8 | 53 | 1.5 | |||||
| 145 | 10 | 45.9 | 1.3 | |||||
| 174 | 12 | 38.8 | 1.1 | |||||
| SGD15 | 102 | 7 | 88.3 | 2.5 | 15/20 | 1080*750*1571 | 300 | 3/4” |
| 116 | 8 | 81.2 | 2.3 | |||||
| 145 | 10 | 74.2 | 2.1 | |||||
| 174 | 12 | 67.1 | 1.9 | |||||
| SGD18 | 102 | 7 | 113 | 3.2 | 18.5/25 | 1380*850*1185 | 430 | 1” |
| 116 | 8 | 105.9 | 3 | |||||
| 145 | 10 | 95.3 | 2.7 | |||||
| 174 | 12 | 84.7 | 2.4 | |||||
| SGD22 | 100 | 7 | 134.2 | 3.8 | 22/30 | 1380*850*1185 | 450 | 1” |
| 116 | 8 | 127.1 | 3.6 | |||||
| 145 | 10 | 113 | 3.2 | |||||
| 174 | 12 | 95.3 | 2.7 | |||||
| SGD30 | 102 | 7 | 187.1 | 5.3 | 30/40 | 1380*850*1185 | 500 | 1” |
| 116 | 8 | 176.6 | 5 | |||||
| 145 | 10 | 158.9 | 4.5 | |||||
| 174 | 12 | 141.2 | 4 | |||||
| SGD37 | 102 | 7 | 240.1 | 6.8 | 37/50 | 1500*1000*1345 | 650 | 11/2″ |
| 116 | 8 | 218.9 | 6.2 | |||||
| 145 | 10 | 197.7 | 5.6 | |||||
| 174 | 12 | 176.6 | 5 | |||||
| SGD45 | 102 | 7 | 261.3 | 7.4 | 45/60 | 1500*1000*1345 | 680 | 11/2″ |
| 116 | 8 | 247.2 | 7 | |||||
| 145 | 10 | 218.9 | 6.2 | |||||
| 174 | 12 | 197.7 | 5.6 | |||||
| SGD55 | 102 | 7 | 353.1 | 10 | 55/75 | 1800*1250*1670 | 1150 | 2″ |
| 116 | 8 | 339 | 9.6 | |||||
| 145 | 10 | 300.1 | 8.5 | |||||
| 174 | 12 | 268.4 | 7.6 | |||||
| SGD75 | 102 | 7 | 473.2 | 13.4 | 75/100 | 1800*1250*1670 | 1200 | 2″ |
| 116 | 8 | 444.9 | 12.6 | |||||
| 145 | 10 | 395.5 | 11.2 | |||||
| 174 | 12 | 353.1 | 10 | |||||
| SGD90 | 102 | 7 | 572 | 16.2 | 90/120 | 1800*1250*1670 | 1350 | 2″ |
| 116 | 8 | 529.7 | 15 | |||||
| 145 | 10 | 487.3 | 13.8 | |||||
| 174 | 12 | 434.3 | 12.3 | |||||
| SGD110 | 102 | 7 | 741.5 | 21 | 110/150 | 2300*1470*1840 | 1800 | 2 1/2” |
| 116 | 8 | 699.1 | 19.8 | |||||
| 145 | 10 | 614.4 | 17.4 | |||||
| 174 | 12 | 522.6 | 14.8 | |||||
| SGD132 | 102 | 7 | 865.1 | 24.5 | 132/175 | 2300*1470*1840 | 1850 | 2 1/2” |
| 116 | 8 | 819.2 | 23.2 | |||||
| 145 | 10 | 723.9 | 20.5 | |||||
| 174 | 12 | 614.4 | 17.4 | |||||
| SGD160 | 102 | 7 | 1013.4 | 28.7 | 160/200 | 2300*1470*1840 | 2000 | 2 1/2” |
| 116 | 8 | 974.6 | 27.6 | |||||
| 145 | 10 | 868.6 | 24.6 | |||||
| 174 | 12 | 759.2 | 21.5 | |||||
| SGD185 | 102 | 7 | 1129.9 | 32 | 185/250 | 3150*1980*2152 | 3500 | DN85 |
| 116 | 8 | 1073.4 | 30.4 | |||||
| 145 | 10 | 967.5 | 27.4 | |||||
| 174 | 12 | 875.7 | 24.8 | |||||
| SGD220 | 102 | 7 | 1271.2 | 36 | 220/300 | 3150*1980*2152 | 3800 | DN85 |
| 116 | 8 | 1211.1 | 34.3 | |||||
| 145 | 10 | 1066.4 | 30.2 | |||||
| 174 | 12 | 978.1 | 27.7 | |||||
| SGD250 | 102 | 7 | 1483 | 42 | 250/350 | 3150*1980*2152 | 4000 | DN85 |
| 116 | 8 | 1430.1 | 40.5 | |||||
| 145 | 10 | 1348.8 | 38.2 | |||||
| 174 | 12 | 1218.2 | 34.5 | |||||
| SGD315 | 102 | 7 | 1800.8 | 51 | 315/430 | 4000*1980*2152 | 6000 | DN110 |
| 116 | 8 | 1772.6 | 50.2 | |||||
| 145 | 10 | 1571.3 | 44.5 | |||||
| 174 | 12 | 1412.4 | 40 | |||||
| SGD355 | 102 | 7 | 2259.8 | 64 | 355/480 | 4000*1980*2152 | 6500 | DN110 |
| 116 | 8 | 2153.9 | 61 | |||||
| 145 | 10 | 1995 | 56.5 | |||||
| 174 | 12 | 1730.2 | 49 | |||||
| Motor Protection Class: IP23/IP54/IP55 or as per your required | ||||||||
| Voltage: 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests. | ||||||||
FAQ:
Q1: What is the rotor speed for the air end?
A1: 2980rmp.
Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)
Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).
Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.
Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph,
or as per your requests.
Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports
can be provided according to your needs.
Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.
Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.
Q9: Do you have spare parts in stock?
A9: Yes, we do.
Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.
Choosing the Right Air Compressor For Your Home
You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.
Positive displacement
A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
Oil-free
Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.
Single-stage
A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
CFM
The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.
PSI
The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
Power source
The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

