Product Description
|
Product name |
Oil Free Water Lubricated Screw Air Compressor |
|
Model |
WLS |
|
Cooling Method |
Air Cooling |
|
Pressure |
8/1013 bar |
|
Power |
5.5-250 kw |
|
Capacity |
0.3~33.97 m3/min |
|
Voltage |
380V/50HZ, 220V/60HZ, 400V/50HZ, 415V/50HZ or Customer′s Requirements |
|
Color |
Customized |
Advantage
1.Clean air 100% oil-free
2.Use water instead of oil, higher cooling efficiency and compression efficiency
3.Optimal isothermal compression
4.Powerful MAM microcomputer controller and touch screen
5.Reasonable Structure, with perfect balancing
6.Components made of anti-rust and anti-corrosion materials ensure the durability
7.Significant energy saving, environmental-friendly and pollution-free
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.
| Model | Pressure (mpa) |
Displacement (m³/min) |
Power (kw) |
Noise (db) |
Water Inlet Diameter | Lubricating Water (L) |
Air Outlet |
| WLS-0.8/5.5 | 0.8 | 0.3-0.78 | 5.5 | 57 | 3/4″ | 10 | 3/4″ |
| WLS-1.0/5.5 | 1.0 | 0.2-0.65 | |||||
| WLS-0.8/7.5 | 0.8 | 0.35-0.17 | 7.5 | 57 | 3/4″ | 10 | 3/4″ |
| WLS-1.0/7.5 | 1.0 | 0.3-1.05 | |||||
| WLS-1.25/7.5 | 1.25 | 0.24-0.81 | |||||
| WLS-0.8/11 | 0.8 | 0.54-1.72 | 11 | 60 | 1″ | 26 | 3/4″ |
| WLS-1.0/11 | 1 | 0.45-1.42 | |||||
| WLS-1.25/11 | 1.3 | 0.35-1.10 | |||||
| WLS-0.8/15 | 0.8 | 0.75-2.43 | 15 | 60 | 1″ | 26 | 1″ |
| WLS-1.0/15 | 1.0 | 0.65-2.17 | |||||
| WLS-1.25/15 | 1.25 | 0.6-1.80 | |||||
| WLS-0.8/18.5 | 0.8 | 0.9-3.31 | 18.5 | 63 | 1″ | 30 | 1″ |
| WLS-1.0/18.5 | 1 | 0.9-2.82 | |||||
| WLS-1.25/18.5 | 1.3 | 0.6-2.05 | |||||
| WLS-0.8/22 | 0.8 | 1.1-3.7 | 22 | 63 | 1″ | 30 | 1″ |
| WLS-1.0/22 | 1.0 | 0.97-3.21 | |||||
| WLS-1.25/22 | 1.25 | 0.85-2.87 | |||||
| WLS-0.8/30 | 0.8 | 1.55-5.2 | 30 | 63 | 1 1/2″ | 40 | 1 1/2″ |
| WLS-1.0/30 | 1 | 1.255-4.43 | |||||
| WLS-1.25/30 | 1.3 | 1.1-3.63 | |||||
| WLS-0.8/37 | 0.8 | 1.91-6.50 | 37 | 66 | 1 1/2″ | 40 | 1 1/2″ |
| WLS-1.0/37 | 1.0 | 1.6-5.53 | |||||
| WLS-1.25/37 | 1.25 | 1.42-4.47 | |||||
| WLS-0.8/45 | 0.8 | 2.5-8.3 | 45 | 66 | 1 1/2″ | 90 | 2″ |
| WLS-1.0/45 | 1 | 1.91-6.3 | |||||
| WLS-1.25/45 | 1.3 | 1.7-5.56 | |||||
| WLS-0.8/55 | 0.8 | 3.0-10.3 | 55 | 69 | 1 1/2″ | 100 | 2″ |
| WLS-1.0/55 | 1.0 | 2.6-8.55 | |||||
| WLS-1.25/55 | 1.25 | 2.3-7.67 | |||||
| WLS-0.8/75 | 0.8 | 3.95-13 | 75 | 72 | 1 1/2″ | 100 | 2″ |
| WLS-1.0/75 | 1 | 3.4-11.5 | |||||
| WLS-1.25/75 | 1.3 | 3.0-9.7 | |||||
| WLS-0.8/90 | 0.8 | 5.0-16.6 | 90 | 73 | 1 1/2″ | 120 | 2 1/2″ |
| WLS-1.0/90 | 1.0 | 4.3-14.66 | |||||
| WLS-1.25/90 | 1.25 | 3.72-12.6 | |||||
| WLS-0.8/110 | 0.8 | 6.0-20.2 | 110 | 77 | 2″ | 120 | 2 1/2″ |
| WLS-1.0/110 | 1 | 5.0-16.66 | |||||
| WLS-1.25/110 | 1.3 | 4.65-15.56 | |||||
| WLS-0.8/132 | 0.8 | 6.75-22.52 | 132 | 77 | 2″ | 120 | 2 1/2″ |
| WLS-1.0/132 | 1.0 | 6.0-19.97 | |||||
| WLS-1.25/132 | 1.25 | 5.07-16.90 | |||||
| WLS-0.8/160 | 0.8 | 8.5-28.11 | 160 | 79 | 3″ | 160 | 3″ |
| WLS-1.0/160 | 1 | 7.6-25.45 | |||||
| WLS-1.25/160 | 1.3 | 6.7-22.52 | |||||
| WLS-0.8/185 | 0.8 | 10-33.97 | 185 | 79 | 3″ | 160 | 3″ |
| WLS-1.0/185 | 1.0 | 8.72-29 | |||||
| WLS-1.25/185 | 1.25 | 7.75-25.21 | |||||
| WLS-0.8/200 | 0.8 | 11.2-36.75 | 200 | 80 | 4″ | 200 | 4″ |
| WLS-1.0/200 | 1 | 9.68-32.78 | |||||
| WLS-1.25/200 | 1.3 | 9.2-29.24 | |||||
| WLS-0.8/250 | 0.8 | 13.5-45 | 250 | 80 | 4″ | 200 | 4″ |
| WLS-1.25/250 | 1.3 | 10.2-33.97 |
ZheJiang CHINAMFG Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are able to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
1.1 Oil-free screw air compressor
1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
2.1 Piston air compressor
2.2 Oil-free piston air compressor
2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
3.1 Diesel or Electric portable screw air compressor
3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
4.1 CHINAMFG or Adsorption compressed air drier
4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.
Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.
Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | Unit 1 Year, Air End 2 Years |
| Lubrication Style: | Oil-free |
| Cooling System: | Water Cooling |
| Power Source: | AC Power |
| Structure Type: | Closed Type |
| Customization: |
Available
|
|
|---|
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How does variable speed drive technology improve air compressor efficiency?
Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:
1. Matching Air Demand:
Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.
2. Reduced Unloaded Running Time:
Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.
3. Soft Starting:
Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.
4. Energy Savings at Partial Load:
In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.
5. Elimination of On/Off Cycling:
Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.
6. Enhanced System Control:
VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.
By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.
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Can air compressors be used for inflating tires and sporting equipment?
Yes, air compressors can be used for inflating tires and sporting equipment, providing a convenient and efficient method for achieving the desired air pressure. Here’s how air compressors are used for these purposes:
1. Tire Inflation:
Air compressors are commonly used for inflating vehicle tires, including car tires, motorcycle tires, bicycle tires, and even larger truck or trailer tires. Air compressors provide a continuous source of pressurized air, allowing for quick and accurate inflation. They are often used in automotive repair shops, gas stations, and by individuals who regularly need to inflate tires.
2. Sporting Equipment Inflation:
Air compressors are also useful for inflating various types of sporting equipment. This includes inflatable balls such as soccer balls, basketballs, footballs, and volleyballs. Additionally, air compressors can be used to inflate inflatable water toys, air mattresses, inflatable kayaks, and other recreational items that require air for proper inflation.
3. Air Tools for Inflation:
Air compressors can power air tools specifically designed for inflation purposes. These tools, known as inflators or air blow guns, provide controlled airflow for inflating tires and sporting equipment. They often have built-in pressure gauges and nozzles designed to fit different types of valves, making them versatile and suitable for various inflation tasks.
4. Adjustable Pressure:
One advantage of using air compressors for inflation is the ability to adjust the pressure. Most air compressors allow users to set the desired pressure level using a pressure regulator or control knob. This feature ensures that tires and sporting equipment are inflated to the recommended pressure, promoting optimal performance and safety.
5. Efficiency and Speed:
Air compressors provide a faster and more efficient inflation method compared to manual pumps. The continuous supply of compressed air allows for quick inflation, reducing the time and effort required to inflate tires and sporting equipment manually.
6. Portable Air Compressors:
For inflating tires and sporting equipment on the go, portable air compressors are available. These compact and lightweight compressors can be easily carried in vehicles or taken to sports events and outdoor activities, ensuring convenient access to a reliable air supply.
It is important to note that when using air compressors for inflating tires, it is recommended to follow manufacturer guidelines and proper inflation techniques to ensure safety and avoid overinflation.
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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 2023-10-12
China Air-Compressors Air Compresor 12V Portable Screw Compressor 12v air compressor
Product Description
Functions of Air-compressors Air Compresor 12V Portable Screw Compressor
Skid Mounted Type Screw Air Compressor pushed by diesel motor for mining undertaking, quarry web site, blast hole has the adhering to advantages:
01.Cummins or Yuchai engines.zmwm02
02.Automatic control and protection system.
03. Error free capacity control.
04.Delu*e micro-computer florescence control panel.
05.All weather models for high altitude operations (ZEGA only customization available for above 5500m high altitude applications)
06.High quality filtration system with safety filters.
Technical Specification of Air-compressors Air Compresor 12V Moveable Screw Compressor
| Product | Nominal Pressure (Mpa) |
F.A.D (Free Air Delivery) (m3/min) |
Oil Content Sppm |
Motor Power kW ( HP ) |
Excess weight (net e*cl.gas) (kg) |
Dimensions(overall), L*W*H(mm) |
| 42SCG-7 | .seven | 4 | <6 | 42(sixty five) | 730 | 2110*1500*1620 |
| 58SCG-8 | .8 | seven | <6 | 58(80) | 1450 | 2200*1440*1600 |
| 110SCG-8 | .8 | twelve | <6 | a hundred and ten(a hundred and fifty) | 2571 | 2750*1630*2571 |
| 139SCG-thirteen | 1.three | 15 | <6 | a hundred and forty(180) | 2300 | 3240*1700*1730 |
| 178SCG-14.five | one.45 | 17 | <6 | 179(240) | 3090 | 3300*1970*2270 |
| 180SCG-14.5 | one.forty five | seventeen | <6 | 179(240) | 3090 | 3300*1970*2270 |
| 177SCG-seventeen | 1.seven | 16 | <6 | 179(240) | 3420 | 3300*1970*2270 |
| 188SCG-seventeen | 1.7 | eighteen | <6 | 191(260) | 3310 | 3300*1970*2270 |
| 191SCG-seventeen(Highland) | 1.seven | eighteen | <6 | 191(260) | 3450 | 3300*1970*2270 |
| 195SCG-19 | one.nine | 19 | <6 | 195(260) | 3490 | 3300*1970*2270 |
| 250SCG-17 | 1.7 | 22 | <6 | 250(340) | 4320 | 3660*2000*2500 |
| 288SCG-22 | two.2 | 27 | <6 | 288(380) | 4460 | 3660*2000*2500 |
| 406SCG-twenty five | 2.five | 33 | <6 | four hundred(525) | 5800 | 4600*22 |
Images of Air-compressors Air Compresor 12V Moveable Screw Compressor
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Angular |
| Structure Type: | Closed Type |
| Installation Type: | Movable Type |
###
| Customization: |
Available
|
|---|
###
| Model | Nominal Pressure (Mpa) |
F.A.D (Free Air Delivery) (m3/min) |
Oil Content Sppm |
Motor Power kW ( HP ) |
Weight (net e*cl.fuel) (kg) |
Dimensions(overall), L*W*H(mm) |
| 42SCG-7 | 0.7 | 4 | <6 | 42(65) | 730 | 2110*1500*1620 |
| 58SCG-8 | 0.8 | 7 | <6 | 58(80) | 1450 | 2200*1440*1600 |
| 110SCG-8 | 0.8 | 12 | <6 | 110(150) | 2010 | 2750*1630*2020 |
| 139SCG-13 | 1.3 | 15 | <6 | 140(180) | 2300 | 3240*1700*1730 |
| 178SCG-14.5 | 1.45 | 17 | <6 | 179(240) | 3090 | 3300*1970*2270 |
| 180SCG-14.5 | 1.45 | 17 | <6 | 179(240) | 3090 | 3300*1970*2270 |
| 177SCG-17 | 1.7 | 16 | <6 | 179(240) | 3420 | 3300*1970*2270 |
| 188SCG-17 | 1.7 | 18 | <6 | 191(260) | 3310 | 3300*1970*2270 |
| 191SCG-17(Highland) | 1.7 | 18 | <6 | 191(260) | 3450 | 3300*1970*2270 |
| 195SCG-19 | 1.9 | 19 | <6 | 195(260) | 3490 | 3300*1970*2270 |
| 250SCG-17 | 1.7 | 22 | <6 | 250(340) | 4320 | 3660*2000*2500 |
| 288SCG-22 | 2.2 | 27 | <6 | 288(380) | 4460 | 3660*2000*2500 |
| 406SCG-25 | 2.5 | 33 | <6 | 400(525) | 5800 | 4600*22 |
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Angular |
| Structure Type: | Closed Type |
| Installation Type: | Movable Type |
###
| Customization: |
Available
|
|---|
###
| Model | Nominal Pressure (Mpa) |
F.A.D (Free Air Delivery) (m3/min) |
Oil Content Sppm |
Motor Power kW ( HP ) |
Weight (net e*cl.fuel) (kg) |
Dimensions(overall), L*W*H(mm) |
| 42SCG-7 | 0.7 | 4 | <6 | 42(65) | 730 | 2110*1500*1620 |
| 58SCG-8 | 0.8 | 7 | <6 | 58(80) | 1450 | 2200*1440*1600 |
| 110SCG-8 | 0.8 | 12 | <6 | 110(150) | 2010 | 2750*1630*2020 |
| 139SCG-13 | 1.3 | 15 | <6 | 140(180) | 2300 | 3240*1700*1730 |
| 178SCG-14.5 | 1.45 | 17 | <6 | 179(240) | 3090 | 3300*1970*2270 |
| 180SCG-14.5 | 1.45 | 17 | <6 | 179(240) | 3090 | 3300*1970*2270 |
| 177SCG-17 | 1.7 | 16 | <6 | 179(240) | 3420 | 3300*1970*2270 |
| 188SCG-17 | 1.7 | 18 | <6 | 191(260) | 3310 | 3300*1970*2270 |
| 191SCG-17(Highland) | 1.7 | 18 | <6 | 191(260) | 3450 | 3300*1970*2270 |
| 195SCG-19 | 1.9 | 19 | <6 | 195(260) | 3490 | 3300*1970*2270 |
| 250SCG-17 | 1.7 | 22 | <6 | 250(340) | 4320 | 3660*2000*2500 |
| 288SCG-22 | 2.2 | 27 | <6 | 288(380) | 4460 | 3660*2000*2500 |
| 406SCG-25 | 2.5 | 33 | <6 | 400(525) | 5800 | 4600*22 |
How to Choose the Right Air Compressor
An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
Electric motor
While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with two digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
Oil bath
Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.
Start/stop control
An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
Variable speed drive
A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between forty percent and eighty percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.


editor by czh 2022-12-27
China 7bar 8bar 10bar 12bar Air Cooling Air-Compressors 12V Best Price Mini Air Compressor Tank Oil Lubricating Variable Frequency Screw Compressor 7.5kw
Product Description
Product Technical Description
| HC PF VSD series | Working pressure | Capacity | Power | Noise | Air outlet pipe diameter | Net weight(kg) | Dimensions(mm) | |||||
| bar | psig | (m3/min) | cfm | kW | hp | dB | Length | Width | Height | |||
| NXGV-7.5HC | 7 | 102 | 1.1 | 39 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 |
| 8 | 116 | 1.0 | 35 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 | |
| 10 | 145 | 0.9 | 31 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 | |
| 12 | 174 | 0.8 | 28 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 | |
| NXGV-11HC | 7 | 102 | 1.6 | 56 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 |
| 8 | 116 | 1.5 | 52 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 | |
| 10 | 145 | 1.3 | 46 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 | |
| 12 | 174 | 1.1 | 39 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 | |
| NXGV-15HC | 7 | 102 | 2.3 | 81 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 |
| 8 | 116 | 2.2 | 77 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 | |
| 10 | 145 | 2.1 | 74 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 | |
| 12 | 174 | 1.7 | 60 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 | |
| NXGV-22HC | 7 | 102 | 3.5 | 123 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 |
| 8 | 116 | 3.2 | 112 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 | |
| 10 | 145 | 3.0 | 105 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 | |
| 12 | 174 | 2.7 | 95 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 | |
| NXGV-37HC | 7 | 102 | 6.3 | 222 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 |
| 8 | 116 | 6.0 | 211 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 | |
| 10 | 145 | 5.6 | 197 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 | |
| 12 | 174 | 5 | 176 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 | |
| NXGV-55HC | 7 | 102 | 9.3 | 328 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 |
| 8 | 116 | 9.0 | 317 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 | |
| 10 | 145 | 8.5 | 300 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 | |
| 12 | 174 | 7.9 | 278 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 | |
| NXGV-75HC | 7 | 102 | 13 | 459 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 |
| 8 | 116 | 12 | 423 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 10 | 145 | 10 | 353 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 12 | 174 | 9 | 317 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| NXGV-90HC | 7 | 102 | 16 | 565 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 |
| 8 | 116 | 15 | 530 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 10 | 145 | 14 | 494 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 12 | 174 | 12 | 423 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| NXGV-110HC | 7 | 102 | 21 | 741 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 |
| 8 | 116 | 20 | 706 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 | |
| 10 | 145 | 19 | 671 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 | |
| 12 | 174 | 17 | 600 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 | |
| NXGV-132HC | 7 | 102 | 25 | 882 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 |
| 8 | 116 | 24 | 847 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 10 | 145 | 21 | 741 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 12 | 174 | 19 | 671 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| NXGV-160HC | 7 | 102 | 28 | 988 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 |
| 8 | 116 | 27 | 953 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 10 | 145 | 23 | 812 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 12 | 174 | 21 | 741 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| NXGV-185HC | 7 | 102 | 31 | 1095 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 |
| 8 | 116 | 30 | 1059 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 | |
| 10 | 145 | 29 | 1571 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 | |
| 12 | 174 | 27 | 953 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 | |
| Model : | Screw Air Compressor |
| Type: | VSD Screw Air Compressor |
| Voltage: | 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements |
| Working Pressure: | 7~12bar |
| Installed Motor Power: | 7.5~250 Kw |
| Color: | Blue |
| Driven Method: | Direct Driven |
| Air End: | High-efficiency Screw Air End Technology |
| Trademark: | Xihu (West Lake) Dis.ang |
| Transport Package: | Standard Wooden Packing |
| Available Certificate: | CE, ISO |
| Origin: | ZheJiang , China |
| Application: | Food,Chemical,Spraying Treatment,Electrics,Medical Treatment,Packing |
Product Features
1. high reliability.
2. Oil Free Permanent Magnetic Motor.
3. IP55 protection grade & heavy duty air filter, suitable for high dusty environment.
4. IE4 Efficiency motor efficiency.
5. Most energy saving mode, Only work at loading.
6. Wide frequency range 25%-100%.
7. Premium Magnetic material resist more than 180ºC temp.
8. Direct Taper connection, no transmission power loss, easy maintenance.
9.Touch Screen PLC with preset running schedule, more intelligent control.
10. Main motor is inverter control, more accurate control.
11. Easy for installation and service.
FAQ
1.Why customer choose us?
Xihu (West Lake) Dis.ang Air Compressor CO., LTD., with 37 years old history,we are specialized in Rotary Screw Air Compressor.
Germany Standard and 10 years exporting experience help us won more than 50 loyal foreign agents. We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
3.What’s your delivery time?
Generally 3 to 7 days, if urgently order, pls contact our sales in advance.
4.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts.
5.How long could your air compressor be used?
Generally, more than 10 years.
6. What’s payment term?
T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc.
Also we could accept USD, RMB, Euro and other currency.
7.How about your customer service?
24 hours on-line service available. 48hours problem solved promise.
8.How about your after-sales service?
1. Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3. Worldwide agents and after service available.
Contact us
Company Name: ZheJiang Xihu (West Lake) Dis.ang Air Compressor Co., Ltd
Contact Person: Benny
If you are interested in any of our products,please feel free to contact us.We are looking forward to cooperating,growing and developing with your sincerely.
How to Choose the Right Air Compressor
An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
Electric motor
While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
Oil bath
Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.
Start/stop control
An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
Variable speed drive
A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.


China Single Phase 2.2 Kw Scroll Air-Compressors Factory Silent Energy Saving Screw Air Compressor for Industrial
Product Description
C6EF Quality and Quantity Assured Single-phase Air Compressor
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of “quality first, customer first and credit-based” since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a CZPT situation since the trend of economic globalization has developed with anirresistible force.
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 Air-Compressors Industrial Machines portable Car Dental Pump 100 Liter 8 Bar Oil Free Oilless Silence Rotary Air Pump Screw Air Compressor with Air Tank
Product Description
Manufacturer low noise power saving 37KW permanent magnet variable frequency screw air compressor 6.8 cubic air compressor screw
.Schematic diagram of the whole set of installation effect:
|
Rated exhaust pressure |
3.0 Mpa |
|
Drive way |
Secondary |
|
cooling method |
Air cooling |
|
Outlet temperature |
Ambient temperature +25 ºC |
|
Noise |
65 dB(A) |
|
Gas supply oil content |
≤2 PPM |
|
Dimensions |
1650×1150× 1310 L×W×H(mm) |
|
Total weight |
868 Kg |
|
Rated working power |
3/380/60 PH/V/HZ |
|
Motor protection level |
IP54 |
|
Insulation class |
Class F insulation |
Related Products
Company Information
The Air Compressor Is a Versatile Tool
The Air Compressor is 1 of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.
Oil-injected
Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components.
Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation.
The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer.
An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.
Oil-free
What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users.
First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search.
Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models.
An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?
Gasoline
When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications.
Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.
Electricity
Electricity in an air compressor is not cheap. A 25 HP air compressor runs for 10 hours each day, 5 days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for 3 hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month.
The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to 4 thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless.
Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.
Variable frequency drive
The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous.
A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment.
When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range.
The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of 6 to 7 bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is 1 of the best investments in your compressor. So, why wait any longer?


China Two-Stage Compression Screw Air Compressor Permanent Magnet 10HP 22kw Screw Air Compressor 10 Bar Oil-Less Air-Compressors
Product Description
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Two-stage compression permanent magnet VSD |
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♦ Intelligent Touch-Screen Design |
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♦ Direct-driven |
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♦ Air Cooling |
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♦ 7/8/10/13bar |
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♦ Air Filter |
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♦ Stainless Steel |
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♦ Piping Design |
Advantages
1. The most advanced split type design
2. The air end and motor are connected by the coupling, free from the trouble of maintenance.
3. Double screw highly efficient air end design of large rotor, larger compressed capacity, longer service life with imported CZPT bearings.
4. Permanent magnet motor
The motor is made of the special material of rare-earth permanent magnet, strong magnetic field, large overload torque and small current while starting and operation,
The special rare-earth permanent magnet with the special design of the rotor, makes the efficiency of the motor 10%-15% higher than the same horsepower induction motor.
Design of the lower temperature, the raise temperature of the motor<60K, greatly improves the service life and service factor.
Soft starter by the inverter
Avoiding the strong mechanical shock while starting, prolonging the life of machine, reducing the maintenance, improving the reliability. So it can save 30% energy.
| Model | Pressure (mpa) |
Displacement (m³/min) |
Power (kw) |
Dimension (mm) |
Weight (kg) |
Outlet Size |
| 2PV-0.7/15 | 0.7 | 0.7-3.0 | 15 | 1450*780*1180 | 660 | G1-1/4″ |
| 2PV-0.8/15 | 0.8 | 0.7-2.9 | ||||
| 2PV-1.0/15 | 1.0 | 0.6-2.4 | ||||
| 2PV-1.3/15 | 1.3 | 0.5-2.2 | ||||
| 2PV-0.7/18.5 | 0.7 | 0.9-3.8 | 18.5 | 1450*780*1180 | 680 | G1-1/2″ |
| 2PV-0.8/18.5 | 0.8 | 0.8-3.5 | ||||
| 2PV-1.0/18.5 | 1.0 | 0.7-2.9 | ||||
| 2PV-1.3/18.5 | 1.3 | 0.7-2.7 | ||||
| 2PV-0.7/22 | 0.7 | 1.1-4.5 | 22 | 1500*956*1219 | 730 | G1-1/2″ |
| 2PV-0.8/22 | 0.8 | 1.1-4.3 | ||||
| 2PV-1.0/22 | 1.0 | 0.8-3.5 | ||||
| 2PV-1.3/22 | 1.3 | 0.7-2.9 | ||||
| 2PV-0.7/30 | 0.7 | 1.6-6.8 | 30 | 1650*880*1280 | 980 | G1-1/2″ |
| 2PV-0.8/30 | 0.8 | 1.5-6.4 | ||||
| 2PV-1.0/30 | 1.0 | 1.2-4.9 | ||||
| 2PV-1.3/30 | 1.3 | 1.1-4.3 | ||||
| 2PV-0.7/37 | 0.7 | 1.9-7.5 | 37 | 1800*1254*1560 | 1080 | G1-1/2″ |
| 2PV-0.8/37 | 0.8 | 1.8-7.4 | ||||
| 2PV-1.0/37 | 1.0 | 1.5-6.3 | ||||
| 2PV-1.3/37 | 1.3 | 1.4-5.6 | ||||
| 2PV-0.7/45 | 0.7 | 2.3-10.2 | 45 | 2150*1410*1640 | 1980 | G2″ |
| 2PV-0.8/45 | 0.8 | 2.2-9.7 | ||||
| 2PV-1.0/45 | 1.0 | 1.9-7.8 | ||||
| 2PV-1.3/45 | 1.3 | 1.6-6.5 | ||||
| 2PV-0.7/55 | 0.7 | 3.02-13.1 | 55 | 2150*1410*1640 | 2180 | G2″ |
| 2PV-0.8/55 | 0.8 | 2.8-12.5 | ||||
| 2PV-1.0/55 | 1.0 | 2.3-10.1 | ||||
| 2PV-1.3/55 | 1.3 | 1.9-8.6 | ||||
| 2PV-0.7/75 | 0.7 | 4.2-17.5 | 75 | 2250*1410*1640 | 2280 | DN65 |
| 2PV-0.8/75 | 0.8 | 3.8-16.5 | ||||
| 2PV-1.0/75 | 1.0 | 3.4-13.6 | ||||
| 2PV-1.3/75 | 1.3 | 2.9-11.2 | ||||
| 2PV-0.7/90 | 0.7 | 5.3-20.8 | 90 | 2650*1654*1870 | 3200 | DN65 |
| 2PV-0.8/90 | 0.8 | 4.9-20.2 | ||||
| 2PV-1.0/90 | 1.0 | 4.1-16.9 | ||||
| 2PV-1.3/90 | 1.3 | 3.9-15.3 | ||||
| 2PV-0.7/110 | 0.7 | 6.1-24.5 | 110 | 2720*1800*1900 | 3360 | DN80 |
| 2PV-0.8/110 | 0.8 | 5.8-23.5 | ||||
| 2PV-1.0/110 | 1.0 | 5.1-20.1 | ||||
| 2PV-1.3/110 | 1.3 | 4.4-17.6 | ||||
| 2PV-0.7/132 | 0.7 | 7.2-30.1 | 132 | 2850*1854*1900 | 3450 | DN80 |
| 2PV-0.8/132 | 0.8 | 6.9-28.5 | ||||
| 2PV-1.0/132 | 1.0 | 6.1-24.1 | ||||
| 2PV-1.3/132 | 1.3 | 5.4-21.3 | ||||
| 2PV-0.7/160 | 0.7 | 8.8-35 | 160 | 2866*1730*1918 | 3850 | DN80 |
| 2PV-0.8/160 | 0.8 | 8.1-33.6 | ||||
| 2PV-1.0/160 | 1.0 | 7.7-31.1 | ||||
| 2PV-1.3/160 | 1.3 | 6.5-26.3 | ||||
| 2PV-0.7/185 | 0.7 | 10.7-42 | 185 | 3200*1730*1918 | 3990 | DN100 |
| 2PV-0.8/185 | 0.8 | 10.3-40 | ||||
| 2PV-1.0/185 | 1.0 | 8.8-35.5 | ||||
| 2PV-1.3/185 | 1.3 | 7.5-32.4 | ||||
| 2PV-0.7/200 | 0.7 | 10.7-44.8 | 200 | 3300*2060*2280 | 5890 | DN100 |
| 2PV-0.8/200 | 0.8 | 10.3-43 | ||||
| 2PV-1.0/200 | 1.0 | 9.2-38.6 | ||||
| 2PV-1.3/200 | 1.3 | 7.9-33 | ||||
| 2PV-0.7/220 | 0.7 | 11.7-48.0 | 220 | 4000*1780*1968 | 6500 | DN125 |
| 2PV-0.8/220 | 0.8 | 11.3-47.2 | ||||
| 2PV-1.0/220 | 1.0 | 9.8-41.2 | ||||
| 2PV-1.3/220 | 1.3 | 9.1-38.1 | ||||
| 2PV-0.7/250 | 0.7 | 13.2-55.3 | 250 | 4000*2120*2200 | 6800 | DN125 |
| 2PV-0.8/250 | 0.8 | 13.0-51.0 | ||||
| 2PV-1.0/250 | 1.0 | 11.0-46.9 | ||||
| 2PV-1.3/250 | 1.3 | 9.6-41.2 | ||||
| 2PV-0.7/280 | 0.7 | 14.4-60.0 | 280 | 4000*2120*2200 | 7200 | DN125 |
| 2PV-0.8/280 | 0.8 | 13.2-56.5 | ||||
| 2PV-1.0/280 | 1.0 | 12.2-51.5 | ||||
| 2PV-1.3/280 | 1.3 | 10.8-46.5 | ||||
| 2PV-0.7/315 | 0.7 | 16.2-67.5 | 315 | 4450*2200*2500 | 7800 | DN125 |
| 2PV-0.8/315 | 0.8 | 14.6-62.0 | ||||
| 2PV-1.0/315 | 1.0 | 13.2-56.5 | ||||
| 2PV-1.3/315 | 1.3 | 12.2-51.5 | ||||
| 2PV-0.7/280W | 0.7 | 14.4-60.0 | 280 | 3400*2100*2200 (Water coling) |
7200 | DN125 |
| 2PV-0.8/280W | 0.8 | 13.2-56.5 | ||||
| 2PV-1.0/280W | 1.0 | 12.2-51.5 | ||||
| 2PV-1.3/280W | 1.3 | 10.8-46.5 | ||||
| 2PV-0.7/315W | 0.7 | 16.2-67.5 | 315 | 2850*2050*2120 (Water coling) |
7800 | DN125 |
| 2PV-0.8/315W | 0.8 | 14.6-62.0 | ||||
| 2PV-1.0/315W | 1.0 | 13.2-56.5 | ||||
| 2PV-1.3/315W | 1.3 | 12.2-51.5 |
ZheJiang CZPT Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are CZPT to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
1.1 Oil-free screw air compressor
1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
2.1 Piston air compressor
2.2 Oil-free piston air compressor
2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
3.1 Diesel or Electric portable screw air compressor
3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
4.1 CZPT or Adsorption compressed air drier
4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.
Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.
Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.
Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.
A Buyer’s Guide to Air Compressor Types
There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with 2 pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
Single-stage air compressors
A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places.
These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money.
Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs.
A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life.
Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the 2 types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.
Rotary vane compressors
Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application.
While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last 9 to 18 months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty.
Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
Rotary vane compressors with low-noise models
If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality.
This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating.
Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for 2 to 5 diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
Rotary vane compressors with 2 pistons
The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones.
The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below.
The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose 1 with the lowest price tag. You can also opt for rotary vane compressors that are oil-free.
Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young.
These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.


China 7.5kw 10~350HP 8bar 10 Bar Manufacturer Silent Air-Compressors Air Compresor Energy Saving Pm VSD Rotary Screw Compressor
Product Description
7.5kw 10~350HP 8bar 10 Bar Manufacturer Silent Air-compressors Air Compresor Energy Saving Pm VSD Rotary Screw Compressor
| Product Name : | 7.5kw 10~350HP 8bar 10 Bar Manufacturer Silent Rotary-Screw Air Compresor Energy Saving Pm VSD Rotary Screw Compressor |
| Type: | Oil Injected Permanent Magnetic Variable Speed Rotary Screw Air Compressor |
| Voltage: | 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements |
| Working Pressure: | low pressure: 6bar, 7 bar, 8bar, 10 bar, 12bar, 13bar; |
| Motor Power: | 7.5KW, 11 Kw, 15KW, 18.5KW, 22KW, 30KW, 37KW, 45KW to 250KW |
| Horse Power: | 10HP, 15 HP, 20HP, 25HP, 30HP to 350HP |
| Driven Method: | Direct Driven |
| Air End: | Hanbell brand air end |
| Trademark: | Lingyu |
| Transport Package: | Standard Wooden Packing |
| Available Certificate: | CE, ISO, SGS |
| Origin: | ZheJiang , China |
| Application: | Many industrial: Packing,Painting,Precision Electroplating,Peparing |
Q: Are you a factory or a trading company?
A: We are factory. And we have ourselves trading company.
Q: What is the specific address of your company?
A: No.3, 2nd Street, yuanle Road, Xihu (West Lake) Dis.sheng Town, HangZhou City, ZheJiang Province, China
Q: Do your company accept ODM & OEM?
A: Yes, of course. We accept full ODM & OEM.
Q: What about the voltage of products? Can they be customized?
A: Yes, of course. The voltage can be customized according to your requirement.
Q: Do your company offer spare parts of the machines?
A: Yes, of course, high quality spare parts are available in our factory.
Q: What are your payment terms?
A: 50% T/T in advance, 50% T/T before delivery.
Q: What payment ways do you accept?
A: T/T, Western Union
Q: How long will you take to arrange the goods?
A: For normal voltages,we can delivery the goods within 7-15 days. For other electricity or other customized machines, we
will delivery within 25-30 days.
7.5kw 10~350HP 8bar 10 Bar Manufacturer Silent Air-compressors Air Compresor Energy Saving Pm VSD Rotary Screw Compressor
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.


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A Buyer’s Manual to Air Compressor Types
There are many types of Air Compressors, and it’s essential to realize what each and every sort has to provide. In this report, we’ll talk about single phase air compressors, low-sound compressors, and types with two pistons. But, prior to you buy an Air Compressor, be certain to read through our buyer’s manual to the a variety of sorts. This way, you may have all of the information you need to make the right decision for your business.
Solitary-stage air compressors
A one-stage air compressor is an superb selection for most standard-goal needs. They offer ample energy to function pneumatic resources, and they make considerably less heat. Single-stage air compressors, nonetheless, are not ideal for large-obligation industrial uses. Even so, they can be utilised in numerous purposes, which includes car shops, gas stations, and different production services. They are also suitable for borewells and other large-force places.
These air compressors are a great option for property use and are appropriate for small-scale firms, contractors, and little retailers. These compressors have constant obligation cycles, cast iron compressor pumps, and a least 5,000-hour pump daily life. They also attribute innovative characteristics, such as ODP motors, Car Start & Controls, Receiver tanks, and electrical power cords. They have lower upkeep and can preserve you a fantastic deal of funds.
Solitary-stage air compressors are generally less pricey and lighter than their two-stage counterparts. Solitary-stage air compressors are also much more moveable, which is a in addition for small tasks. Whilst two-phase compressors provide increased CFM, they are much more potent and cumbersome, generating them unsuitable for tiny or house use. So it is crucial to decide what you will use the air compressor for and determine on a model based mostly on your demands.
A single-stage air compressor is produced of a piston and a tank. The piston moves speedily within the cylinder and exerts force on the cylinder. This implies that the piston are unable to transfer any more quickly than the air strain outdoors the cylinder. The piston is created to work in the same way for each phase. This is a great choice for home outlets and 1-gentleman automotive retailers, as it permits you to management the pressure with out sacrificing the pump’s lifestyle.
One-phase air compressors are usually less costly than two-phase variations, but they are not the greatest option for every single software. If you are only utilizing your air compressor occasionally, you may find a a single-stage design to be much far more trustworthy than a two-stage product. The main distinction amongst the two kinds of compressors is in the volume of air that each stage compresses. A two-phase air compressor will have a lot more air storage capacity, but it will nevertheless produce more strain.
Rotary vane compressors
Rotary vane compressors use a centrifugal pump to compress air. The rotor is established eccentrically in the housing, which virtually touches the vane. As the rotor turns, the air that enters the pump is trapped among the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small items of carbon fiber or graphite composite. Vanes might be created of various resources depending on the software.
Even though rotary vane pumps are not typically utilized to create compressed air, they are commonly employed in automotive and hydraulic purposes. Odds are, you have utilized a rotary vane pump at some position in your existence. These pumps are also common in the vacuum and compressed air industries. As a consequence, a lot of men and women do not understand that they’re nonetheless about. They attribute slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor within. The rotor is eccentrically positioned and has slots and grooves on its surface area. Its inlet and outlet ports are positioned off-heart, making it possible for the vanes to be pushed out by centrifugal power. Because the rotor rotates so speedily, air is trapped among the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be very easily serviced and fixed. A easy substitute of carbon vanes requires just 15 minutes and widespread equipment. The carbon vanes typically very last 9 to eighteen months, dependent on technique operating strain. Before buying a rotary vane compressor, make sure to check no matter whether it has been correctly overall performance-examined and has a guarantee. Generally, warranties cover the rotor/stator chambers but do not protect the vanes or air filters. You should also check out if the unit is coated by a lightning or drinking water injury guarantee.
Rotary vane compressors are an integral portion of production industries. A lot of pharmaceutical production services count on rotary vane compressors to handle their tools. Other industries that use rotary vane compressors include the plastics, woodworking, natural fuel, and healthcare & dental fields. Their rewards are several and far outweigh any disadvantages of rotary screw compressors. For case in point, a rotary vane compressor can double the lifestyle of a standard compressor.
Rotary vane compressors with reduced-sounds types
If you are hunting for a rotary vane air compressor, you have appear to the right spot. CZPT’s LV Sequence rotary vane compressors provide lower-noise designs, compact measurement, and strong integration. In addition to their minimal-noise features, they feature huge filter techniques to deliver large-quality compressed air. The LV Collection types also attribute CZPT’s track record for dependability and good quality.
This kind of compressor makes use of centrifugal power to function and is constrained in its leading and minimum working speeds. They are only a 3rd as powerful as screw compressors, and their leading speed restrictions are much decrease. Additionally, the vanes put on out effortlessly at substantial speeds simply because there is not enough centrifugal drive to seal them towards the cylinder’s edges. Even at 50 % their complete capacity, they take in as much as eighty% of their overall strength score.
Due to the fact piston compressors produce a good deal of noise, manufacturing unit homeowners and store proprietors have begun to set up sounds-dampening cabinets and other answers. But, rotary vane compressors generate far less sound than a conventional vacuum, and the routine maintenance costs are also reduced. Rotary vane compressors are also incredibly useful in numerous industries. They are used in the automotive and auto ending industries, as properly as in dairy industries and milking devices.
If you have a deep pond, a rotary vane air compressor kit can pump up to twenty ft of drinking water. This is more than adequate airflow for two to five diffusers. A 1/4 HP rotary vane kit pumps close to 4.2 CFM. It also helps to increase circulation and oxygen stages in the pond. Finally, a 1/4 HP kit gives the needed electrical power to clear up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. Whilst they are similar in many ways, they are a lot more versatile and resilient than their counterparts. They use much less angular contact ball bearings and need significantly less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are much less high-priced.
Rotary vane compressors with two pistons
The rotary vane and rotary screw compressors are comparable in software, but the two have various benefits and down sides. This article will examine the advantages of every and spotlight the variances between them. Whilst each are typically employed in industrial apps, rotary vane compressors are preferred by several industries. These compressors also have a broad selection of utilizes, ranging from automotive air instrument operation to milking devices. These compressors also have the benefit of becoming quieter than piston-powered ones.
The current widespread rail situation might not be ideal for pressure swirl injectors, but new positions have been tested and demonstrate improvements in particular strength values. In addition, the current position is not needed for exterior oil pumps. Even so, mass induction and expulsion have to be carried out with utmost care. This write-up focuses on the layout and effectiveness of rotary vane compressors. You can locate far more info about this new design and style in the references pointed out underneath.
The rewards of this variety of compressor are its reduced cost, compact measurement, and simple servicing. Hence, they are favored in low capacity applications. Additionally, they attribute integrated vanes. The rotating vanes near the air hole and compress air in direction of the outlet. When compared to piston-run compressors, these units are less costly and a lot more reliable. Consequently, you ought to select a single with the most affordable price tag tag. You can also choose for rotary vane compressors that are oil-cost-free.
Sliding vane compressors are another common variant. They have a one cylinder related to the compressor and are capable of functioning at lower speeds. This layout also minimizes the amount of friction and maintains volumetric performance. Nevertheless, the sliding vane compressors experience from substantial frictional losses. If you are hunting for a more effective rotary compressor, this is the ideal alternative. Whilst sliding vane compressors have been in the spotlight for over a century, they are even now really youthful.
These compressors are effortless to set up and keep. They are also quieter than piston compressors. They are also less expensive than piston-driven compressors. The power efficiency and minimal value make them the best choice for any professional or industrial software. If you’re searching for a little, compact compressor, the rotary vane has been confirmed to be the greatest decision for your demands. You must know that it has a long support daily life.

