Product Description

DENAIR hot sale series diesel portable air compressors

Model

Machine

Diesel Engine

Free Air Delivery

Normal Working

Dimensions

Weight

Manufacturer

Model

Rated

Pressure

(without towbar)

power

m3/min

CFM

bar(g)

psig

L*W*H(mm)

DACY-3.2/8

3.40

120

116

2263*1590*1543

9, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
air-compressor

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China Heavy Duty Skid Mounted Type Explosion Proof Stationary Diesel Engine Direct Driven Rotary Screw Air Compressor for Oil and Gas industry

China 5-500 m3/min Oil Free AC Stationary Electric Direct Driven Screw Air Compressor With ghh Air End For Pharmaceutical Industry

Product Description

Industrial Silent/Mute Medical Dry Oil Free Oilless Direct Drive Rotary Double Screw Type Air Compressor Advantages

1.Clean air 1, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

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.
air-compressor

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.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China 5-500 m3/min Oil Free AC Stationary Electric Direct Driven Screw Air Compressor With ghh Air End For Pharmaceutical Industry

China Similar CZPT 37kw 50HP Stationary Oilless Direct Driven AC Power Rotary Single Screw Air Compressor for Industrial Plant

Product Description

Model :	Oil Injected Screw Air Compressor
Voltage:	380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:	7~12 bar
Installed Motor Power:	7.5kw ~ 355kw
Capacity:	0.8~64.0m3/min
Color:	Green (customized)
Driven Method:	Direct Drive
Transport Package:	Standard Wooden Packing
Air End:	Baos,Hanbell,GHH,GU,
application:	Industry,Casting , Metal , Plastic , Rubber

1. Multi-language control system can be customized, easy to operate
2. Can work unattended 24 hours a day
3. The main machine produced with international advanced technology determines the excellent performance of the whole machine
4. The red star air inlet valve is adopted, which can automatically adjust the air volume according to the air volume requirements of the system
5. Adopt high-performance motor, insulation class F, SKFheavy-duty bearing.
6. The average service life exceeds 15 years

Product Parameters

Model	Working Pressure		Capacity		Motor Power	Dimension (mm)	Net Weight (KGS)	Air Outlet Pipe Diameter
Model	Psi	bar	Cfm	m3/min	kw/hp	Dimension (mm)	Net Weight (KGS)	Air Outlet Pipe Diameter
SGD08	102	7	42.4	1.2	7.5/10	900670850	200	1/2”
	116	8	38.8	1.1
	145	10	33.5	0.95
	174	10	28.3	0.8
SGD11	102	7	58.3	1.65	11/15	10807501571	280	3/4”
	116	8	53	1.5
	145	10	45.9	1.3
	174	12	38.8	1.1
SGD15	102	7	88.3	2.5	15/20	10807501571	300	3/4”
	116	8	81.2	2.3
	145	10	74.2	2.1
	174	12	67.1	1.9
SGD18	102	7	113	3.2	18.5/25	13808501185	430	1”
	116	8	105.9	3
	145	10	95.3	2.7
	174	12	84.7	2.4
SGD22	100	7	134.2	3.8	22/30	13808501185	450	1”
	116	8	127.1	3.6
	145	10	113	3.2
	174	12	95.3	2.7
SGD30	102	7	187.1	5.3	30/40	13808501185	500	1”
	116	8	176.6	5
	145	10	158.9	4.5
	174	12	141.2	4
SGD37	102	7	240.1	6.8	37/50	150010001345	650	11/2″
	116	8	218.9	6.2
	145	10	197.7	5.6
	174	12	176.6	5
SGD45	102	7	261.3	7.4	45/60	150010001345	680	11/2″
	116	8	247.2	7
	145	10	218.9	6.2
	174	12	197.7	5.6
SGD55	102	7	353.1	10	55/75	180012501670	1150	2″
	116	8	339	9.6
	145	10	300.1	8.5
	174	12	268.4	7.6
SGD75	102	7	473.2	13.4	75/100	180012501670	1200	2″
	116	8	444.9	12.6
	145	10	395.5	11.2
	174	12	353.1	10
SGD90	102	7	572	16.2	90/120	180012501670	1350	2″
	116	8	529.7	15
	145	10	487.3	13.8
	174	12	434.3	12.3
SGD110	102	7	741.5	21	110/150	230014701840	1800	2 1/2”
	116	8	699.1	19.8
	145	10	614.4	17.4
	174	12	522.6	14.8
SGD132	102	7	865.1	24.5	132/175	230014701840	1850	2 1/2”
	116	8	819.2	23.2
	145	10	723.9	20.5
	174	12	614.4	17.4
SGD160	102	7	1013.4	28.7	160/200	230014701840	2000	2 1/2”
	116	8	974.6	27.6
	145	10	868.6	24.6
	174	12	759.2	21.5
SGD185	102	7	1129.9	32	185/250	315019802152	3500	DN85
	116	8	1073.4	30.4
	145	10	967.5	27.4
	174	12	875.7	24.8
SGD220	102	7	1271.2	36	220/300	315019802152	3800	DN85
	116	8	1211.1	34.3
	145	10	1066.4	30.2
	174	12	978.1	27.7
SGD250	102	7	1483	42	250/350	315019802152	4000	DN85
	116	8	1430.1	40.5
	145	10	1348.8	38.2
	174	12	1218.2	34.5
SGD315	102	7	1800.8	51	315/430	400019802152	6000	DN110
	116	8	1772.6	50.2
	145	10	1571.3	44.5
	174	12	1412.4	40
SGD355	102	7	2259.8	64	355/480	400019802152	6500	DN110
	116	8	2153.9	61
	145	10	1995	56.5
	174	12	1730.2	49
Motor Protection Class: IP23/IP54/IP55 or as per your required
Voltage: 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Company Profile

After Sales Service

Before sale
Professional online salesman can solve compressor system problems for you.
Provide free air compressor energy saving solutions to help you save operating costs.
After sale
Online professional after-sales service Online professional after-sales service until the problem is solved.
After commissioning, the warranty is 1 year or the delivery date is 16 months, which depends on the first warranty of the whole machine (except repair consumables).
The number of spare parts is sufficient to ensure good after-sales service.

FAQ

Q1: What is the rotor speed of the main engine?
A1: 2980rmp.
Q2: What is your delivery time?
A2: Usually, 5-7 days. (OEM order: 15 days)
Q3: Can you provide water-cooled air compressors?
A3: Yes, we can (usually air-cooled).
Q4: What is the payment deadline?
A4: T/T, L/C, Western Union, etc. We can also accept USD, RMB and other currencies.
Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or according to your requirements.
Q6: What is your air compressor warranty?
A6: One year for the whole machine (excluding consumable spare parts), technical support can be provided according to your needs.
Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.
Q8: How about your customer service and after-sales service?
A8: 24-hour online support, 48-hour problem solving commitment.
Q9: Do you have spare parts?
A9: Yes, we have.
Q10: What is the initial lubricant you use on the air compressor?
A10: A total of 46# mineral oil.

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China Similar CZPT 37kw 50HP Stationary Oilless Direct Driven AC Power Rotary Single Screw Air Compressor for Industrial Plant

China Industrial Stationary Similar CZPT Clean Silent 7-10bar Medical Oil Free Direct Driven AC Power Rotary Screw Air Compressor with GHH air end

Product Description

Industrial Silent/Mute Medical Dry Oil Free Oilless Direct Drive Rotary Double Screw Type Air Compressor Advantages

1.Clean air 1, China
Our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome

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.
air-compressor

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.
air-compressor

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.
air-compressor

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 Industrial Stationary Similar CZPT Clean Silent 7-10bar Medical Oil Free Direct Driven AC Power Rotary Screw Air Compressor with GHH air end

China 7.5kw 15kw 22kw 37kw 55kw Low Noise High Efficiency Electric Stationary Rotary Permanent Magnet VSD Screw Type Air Compressor for Color Sorter Industry

Product Description

1. Description

2. Detail Structure for the Screw Compressor

1) Superior Air Filter
•Superior air filter with two-stage dust removal and filtering system with efficiency of up to 99.9% even in heavy-duty environments.
•Extends the service life of the compressor parts and components, ensures high air quality.

2) Premium Efficiency Drive Motor
•Premium efficiency Totally Enclosed Fan Cooled IP54/IP55 motor (Class F insulation) protects against dust and chemicals etc.
•Long-term stable operation even in harsh environments up to 55ºC (131ºF)

3) Smart Controller
•Increased reliability: durable keyboard, user-friendly, multilingual user interface.
•Improved ease of use: intuitive navigation system with main operation conditions include warning indications, maintenance scheduling etc

4) Intelligent Control and Protection
•Siemens electrical elements with original package from Germany, safe and reliable
•Reasonable, simple and clear wiring, easy for maintenance
•Good protection function ensures the stable running of the compressor unit

5) Heavy-duty Oil Filter
•Heavy-duty oil filter with excellent oil purification capability ensures a clean and safe oil system
•Long service period and easy filter change reduce maintenance costs

6) Stainless Steel Oil Pipe & Air Pipe system
•Stainless steel High temperature resistant (400ºC =752ºF) and low temperature resistant ( -270ºC = – 518ºF), high pressure resistant
•Ultra-long life(80 years), completely leak free and maintenance free

3. Air compressor main parts and components

Air Compressor	Part name	Manufacturer
1	Air End	High Performance Rotor Profile
2	PLC Controller IC	Siemens
3	PLC Display	Siemens
4	Suction Valve	VMC Italy
5	Min Pressure Valve	VMC Italy
6	Temperature-sensing Valve	VMC Italy
7	Air Filter	MANN
8	Oil Filter	MANN
9	Oil-gas separator core	MANN
10	Pressure Transmitter	MSI USA
11	Temperature Transducer	MSI USA
12	Electronic component	Siemens
13	Automatic Blowdown Valve	SEC Italy

4. Advantages

Stainless steel inside structure and connections
All imported accessories
High efficiency motor, up to 96%
Bigger volume air end
Touch screen control panel
Factory direct sales, competitive price
Ensured after sales
Customization service available
Quicker response and faster delivery time
Professional air solution provider, one-stop purchasing

5. Technical Parameters

6. Factory Pictures

9. FAQ

1) Why customer choose us?
ZheJiang Saifu Industry Co.Ltd provide professional air solution for customers. One-stop purchasing, we can provide the screw air compressor, air dryers air filters and all the spare parts.
2) Where is your factory?
Our factory is in ZheJiang ,China.Both OEM & ODM service can be accepted.

3) What’s your delivery time?
Generally 7 to 10 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?
  a.Provide customers with installation and commissioning online instructions.
  b.Well-trained engineers available to overseas service.
  c.Worldwide agents and after service available.

what to see in an air compressor

If you need to buy an air compressor, you should know what to look for. The types of air compressors on the market are classified according to their CFM rating, safety devices, and pumps. There are several differences between lubricated and oil-free air compressors that you should know before buying. To better understand the difference between these types of air compressors, read on. This article will guide you through these differences.

Pump

If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying 1 from a Chinese manufacturer is that they have so many options. More importantly, Chinese manufacturers can customize air equipment such as air compressors at low prices.
A good quality air pump won’t break easily, but you’ll be able to use it for years. Choosing a high-quality pump will help you avoid many hassles on the road, such as unplanned downtime and installation costs. Plus, a pump from the same manufacturer as your air compressor is your best bet to ensure optimum performance. Listed below are some tips for finding a quality pump for your air compressor.
The air compressor is an important but unremarkable invention. Without them, our lives would be completely different. Without a pump, we can’t get hot water from central heating, nor can we get heat from the refrigerator. We can’t inflate bicycle tires, and we can’t refuel cars. Pumps are vital to all kinds of machines. So why is it important to choose the right product? The answer may surprise you.
Different types of pumps are used for different applications. Positive displacement pumps move a fixed volume of fluid and direct it to a drain. This design ensures constant flow at a constant speed regardless of discharge pressure. Centrifugal pumps work differently. The impeller accelerates the fluid, converting the input energy into kinetic energy. This type of pump is most commonly used in mines, air conditioning, industrial plants, and flood control.
air-compressor

safety equipment

There are several safety features you should check when using an air compressor. First, check the connection of the air filter to the air. If they come loose, parts may separate and cause injury. Another important safety feature is the shut-off valve. When working near compressed air, the shut-off valve should be within easy reach and visibility. Moving parts and other equipment must be protected with protective covers. Check safety valve and replace damaged parts.
Rupture discs are copper discs located on the air cooler. When the air pressure exceeds a certain limit, it bursts. Fusible plugs contain materials that melt at high temperatures. The compressor should have a lubricating oil pressure alarm and cut off the trip signal. If these 2 safety devices fail, the compressor should be stopped immediately. The rupture disc should be inspected at least weekly to ensure it does not rupture under pressure.
If the pressure level is too high, and overcurrent protection device cuts power to the motor. It also automatically shuts off the compressor when the hose ruptures or the air volume exceeds a preset level. The device should be installed on the air compressor to prevent accidents. Its job is to protect the operator from harm. If employees do not follow these safety measures, they may cause equipment damage.
To ensure safety when operating the air compressor, safety glasses and gloves should be worn. Pressurized air can cause eye injury, and crash goggles can provide a barrier to prevent this. Additionally, the self-retracting cord prevents trip hazards and reinforces excess cord. You should also keep your hands and body away from the air nozzle. This will prevent you from being sprayed with compressed air.

CFM Rating

An air compressor’s PSI and CFM ratings indicate the pressure and volume it can deliver. PSI stands for pounds per square inch and measures the force and pressure contained in 1 square inch of air. These 2 indicators are equally important when choosing an air compressor. If you need a lot of compressed air for a specific application, you will need a higher psi compressor. Likewise, if you are using compressed air in a smaller application, a low cfm compressor will not provide enough power to meet your needs.
When comparing different air compressors, be sure to pay close attention to horsepower and CFM ratings. While compressor power is essential for some tasks, it is not the most important aspect. The CFM rating of an air compressor will determine how big a project it can handle and how long it takes to charge. Make sure you understand the CFM and PSI ratings of your future compressors, as not knowing these important statistics can frustrate you and drive up costs.
In general, it is best to choose an air compressor with a CFM rating higher than the size of the air tool. This will ensure that the air compressor has enough pressure to work multiple tools efficiently at the same time. While smaller CFM ratings may be sufficient for smaller projects, larger tools such as drills require a lot of air. Therefore, the higher the CFM, the larger and more powerful the tool.
Once you understand the CFM of an air compressor, you can start looking for the right tool. You can check the CFM rating of your air compressor online by commenting below. If you’re not sure about the size of your air tool, you can always buy a second air compressor. This is a great way to double the CFM of your air compressor! You’ll have more air to do more work, and your compressor will last longer.
air-compressor

Lack of oil and lubrication

Oil-free air compressors have a smaller footprint and require less maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are more expensive and heavier than oil-free air compressors, they are also ideal for stationary use. The benefits of oil-free air compressors include greater durability and lower maintenance costs. The advantages and disadvantages of each type are discussed below.
Oil-free air compressors are generally quieter than oil-lubricated air compressors. However, you may still experience some noise while using it. To avoid this, you should choose a quiet intake compressor. However, if you work next to a noisy compressor, you should buy a muffler, an aftermarket filter that reduces compressor noise.
If you want to use the air compressor for a long time, the oil-free model is not the right choice. Its Teflon coating wears off over time, especially at extreme temperatures. Additionally, oil-free air compressors have a large number of moving parts that require regular maintenance, while oil-filled air compressors are great for those who don’t want to invest in extra parts.
Another major difference between oil-free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors require regular lubrication whereas oil-free air compressors are pre-lubricated. They have fewer parts and are cheaper. Oil-free air compressors are lighter than oil-lubricated air compressors. In addition to being more affordable, oil-free air compressors are more powerful and durable.
While oil-filled air compressors are more efficient and durable, they generate a lot of heat. However, they are also more expensive and require regular oil changes. Furthermore, they are difficult to transport. They also need to be permanently installed. These air compressors are also not portable and require a fixed location. So, consider your needs before deciding which type is best for you. When you’re choosing an air compressor for your business, be sure to shop around.
air-compressor

noise level

If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them.
When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders.
But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor.
Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
China 7.5kw 15kw 22kw 37kw 55kw Low Noise High Efficiency Electric Stationary Rotary Permanent Magnet VSD Screw Type Air Compressor for Color Sorter Industry

China 30HP 22kw Lubricated Stationary Power Frequency Screw Air Compressor LG22EZ

Product Description

30HP 22kw Lubricated Stationary Power Frequency Screw Air Compressor LG22EZ

Product Description

Detailed Photos

Product Parameters

	LG7EZ	LG11EZ	LG15EZ	LG22EZ	LG37EZ	LG55EZ	LG75EZ
Air Displacement (m3/min)	1.15	1.65	2.3	3.6	6.1	10.2	13.5
Discharge Pressure (Mpa)	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Compressed Class	Single
Motor Power (kw)	7.5	11	15	22	37	55	75
Motor Power (rpm)	2950
Energy Efficiency Grade	Second
Drive Mode	Direct Drive
Starting Mode	Y-△
Joint Dimension	G3/4″	G3/4″	G1″	G1″	G1-1/2″	G2″	G2″
Cooling Mode	Air
Size (mm)	5606301075	6507201180	6507201180	13007501200	13008801250	16009701450	175010301450
Weight (kg)	210	300	350	550	750	1300	1600

Our Advantages

Our Service

1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in our partner factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks.
6.All kinds of technical documents in different languages.

How to Repair and Maintain an Air Compressor

Positive displacement

oil free

double acting

fuel tank pressure switch

energy source

China 30HP 22kw Lubricated Stationary Power Frequency Screw Air Compressor LG22EZ

China 5HP-30HP Industrial Stationary AC Power Belt Driven Air Cooled Germany Ghh Rand Air End Compact Combined Oil Screw Air Compressor with Tank Air Dryer and Filter

Product Description

ZIQI Single Stage Screw Air Compressor Advantages:

A.80% components of CZPT Compressor adopt global well known reliable brand to make sure the air compressor with high quality,durable,energy saving:
1.Core part:Germany GHH RAND screw air end ;
2.Motor:adopt Brazil WEG brand,the second biggest motor manufacturer in the world,IE4 energy saving standard 3 phase induction motor,IP55 protection;
3.Italian EURE oil air vessel ,the lead pressure vessel manufacturer in the world;
4.Italian Manuli oil tube ;
5.French Schneider electric system;
6.Sweden CZPT bearings

Energy saving:
The air compressor equiped the frequency inverter,to make the air compressor with variable speed drive [VSD].The principle of VSD is to adjust the motor rotation speed automatically according to the actual air consumption. The reduced system pressure decreases the total energy consumption of the whole system, which can reduce energy costs by 35% or more.

Model	Air pressure			Air flowing		Motor power		Dimension	Weight
Model	mpa	bar(e)	psi(g)	m3/min	cfm	hp	kw	L(mm)W(mm)H(mm)	Kgs
GA-3.7AL	0.7	7	102	0.55	19	5	3.7	1800mm630mm1450mm	360
	0.8	8	116	0.45	16
	1	10	145	0.35	12
GA-5.5AL	0.7	7	102	0.8	28	7	5.5	1800mm630mm1450mm	360
	0.8	8	116	0.7	25
	1	10	145	0.6	21
	1.3	13	189	0.5	18
GA-7.5AL	0.7	7	102	1.3	46	10	7.5	1800mm750mm1600mm	520
	0.8	8	116	1.2	42
	1	10	145	1.1	39
	1.3	13	189	0.9	32
GA-11AL	0.7	7	102	1.8	64	15	11	1800mm750mm1600mm	530
	0.8	8	116	1.7	60
	1	10	145	1.5	53
	1.3	13	189	1.2	42
GA-15AL	0.7	7	102	2.7	95	20	15	2300mm890mm1725mm	850
	0.8	8	116	2.5	88
	1	10	145	2.3	81
	1.3	13	189	2	71
GA-18.5AL	0.7	7	102	3.2	113	25	18.5	2300mm890mm1725mm	870
	0.8	8	116	3	106
	1	10	145	2.8	99
	1.3	13	189	2.4	85
GA-22AL	0.7	7	102	3.8	134	30	22	2300mm890mm1725mm	890
	0.8	8	116	3.6	127
	1	10	145	3.2	113
	1.3	13	189	2.8	99

Choosing an Air Compressor

Positive displacement

Oil-injected

Oil-free

Single-stage

Low-noise

China 5HP-30HP Industrial Stationary AC Power Belt Driven Air Cooled Germany Ghh Rand Air End Compact Combined Oil Screw Air Compressor with Tank Air Dryer and Filter

China Low Noise High Efficiency Electric Stationary Rotary Permanent Magnet VSD Screw Type Air Compressor for Industrial 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw

Product Description

Permanent Magnet Frequency Conversion Screw Air Compressor :
       1.Permanent magnet motor and the compressor airend shaft integrally embedded using direct structure, more compact, the transmission efficiency of 100%
       2.No Motor Bearing: Eliminates Motor Bearing Fault Points
       3.Equipped with High-efficiency Permanent Magnet Motor, More Energy Saving
       4.Small Motor, Typically About 1/3 of an Ordinary FM Motor Size, Easy Removal
       5.Permanent magnet synchronous motor, no loss of magnetism at 120ºC, service life over 15 years
       6.The latest generation intelligent touchscreen controller:The latest touch screen interface allows simple and intelligent control of the compressor. Pressure and scheduling time can be easily programmed, allowing you to automatically start and stop the compressor to match the production time. (Configurable remote operation and real-time monitoring functions)

Model	SGPM
Type:	Permanent Magnet Screw Air Compressor
Capacity:	0.8~64.0 m3/min 28.3~2259.8CFM
Motor Power (Kw)	7.5~355 KW 10~480HP
Working Pressure:	7~13bar
Voltage	380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Drive method	Direct Driven
Noise level dB(A)	68±2
Insulation classIP grade	IP54/IP55

Product Parameters

Model	Motor Power	Working Pressure	Capacity	Lubricating oil quantity (L)	Driven Method	Cooling Method	Noise (dB)	Dimension(mm)	Net Weight	Air Outlet Pipe Diameter
	kw/hp	bar	m3/min					LWH	KGS
SGPM08	7.5/10	7	1.2	10	Direct Drive	Air Cooling / Water Cooling	66±2	900670850	220	1/2”
		8	1.1
		10	0.95
		12	0.8
SGPM11	11/15	7	1.65	18			68±2	10007501015	300	3/4”
		8	1.5
		10	1.3
		12	1.1
SGPM15	15/20	7	2.5	18			68±2	10007501015	300	3/4”
		8	2.3
		10	2.1
		12	1.9
SGPM18	18.5/25	7	3.2	18			68±2	11308501175	480	1”
		8	3
		10	2.7
		12	2.4
SGPM22	22/30	7	3.8	18			68±2	11308501175	480	1”
		8	3.6
		10	3.2
		12	2.7
SGPM30	30/40	7	5.3	18			68±2	11308501175	480	1”
		8	5
		10	4.5
		12	4
SGPM37	37/50	7	6.8	30			68±2	125010001335	500	11/2″
		8	6.2
		10	5.6
		12	5
SGPM45	45/60	7	7.4	30			72±2	125010001335	500	11/2″
		8	7
		10	6.2
		12	5.6
SGPM55	55/75	7	10	65			72±2	180012501670	1200	2″
		8	9.6
		10	8.5
		12	7.6
SGPM75	75/100	7	13.4	65			72±2	180012501670	1200	2″
		8	12.6
		10	11.2
		12	10
SGPM90	90/120	7	16.2	72			72±2	180012501670	1200	2″
		8	15
		10	13.8
		12	12.3
SGPM110	110/150	7	21	90			72±2	230014701840	2000	DN85
		8	19.8
		10	17.4
		12	14.8
SGPM132	132/175	7	24.5	90			75±2	230014701840	2000	DN85
		8	23.2
		10	20.5
		12	17.4
SGPM160	160/200	7	28.7	110			75±2	250014701840	3200	DN85
		8	27.6
		10	24.6
		12	21.5
SGPM185	185/250	7	32	110			75±2	250014701840	3200	DN85
		8	30.4
		10	27.4
		12	24.8

Company Profile

FAQ

Q1: What is the rotor speed for the air end?
A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).

Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.

Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

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.
air-compressor

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?
air-compressor

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.
air-compressor

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 Low Noise High Efficiency Electric Stationary Rotary Permanent Magnet VSD Screw Type Air Compressor for Industrial 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw

China high quality Heavy Duty Skid Mounted Type Explosion Proof Stationary Diesel Engine Direct Driven Rotary Screw Air Compressor for Oil and Gas industry with Best Sales

Solution Description

*) Specifications are subject to change without prior observe
forty a lot more types, pls inquire to us online!

FAQ

Q1: Are you manufacturing facility or trade firm?
A1: We are manufacturing facility.

Q2: What the specifically deal with of your organization?
A2: Our company is situated in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang 201502, China
Our manufacturing facility is found in No. 366, YangzhuangBang Avenue, Pingxing Rd., Xindai City, HangZhou, ZHangZhoug Province, China

Q3: Guarantee phrases of your equipment?
A3: Two several years guarantee for the equipment and specialized assist in accordance to your requirements.

Q4: Will you supply some spare components of the devices?
A4: Sure, of program.

Q5: How long will you take to organize creation?
A5: 380V 50HZ we can shipping and delivery the products within 10 times. Other electrical energy or other color we will supply inside of 22 days

Q6: Can you take OEM orders?
A6: Indeed, with professional design and style team, OEM orders are extremely welcome.

Deciding on the Right Air Compressor For Your Residence

You will locate that air compressors are indispensable resources for a variety of scenarios, like garages, house workshops, and basements. These tools can energy a assortment of resources, and every model is sized to go well with the work at hand. Because air compressors have only one motor, they are light-weight, compact, and easy to take care of. Making use of 1 air compressor to electricity many tools will also minimize the dress in and tear on specific components. This article will introduce some crucial qualities to seem for when deciding on the appropriate air compressor for your home.

Good displacement

A good displacement compressor applies strain to a fluid, whereas a centrifugal one particular does the reverse. A optimistic displacement compressor creates the wanted pressure by trapping air and rising its volume. Its discharge valve releases the substantial-strain gasoline. These compressors are employed in industrial programs and nuclear power plants. The big difference amongst a optimistic and damaging displacement compressor is that a good displacement compressor can compress and release air at a constant charge.
A positive displacement air compressor uses a reciprocating piston to compress air. This decreases the volume of the air in the compression chamber, and a discharge valve opens when the force reaches the desired stage. These compressors are employed in bicycle pumps and other pneumatic equipment. Constructive displacement air compressors have several inlet ports and have many configurations. Positive displacement air compressors have a solitary-acting and double-performing piston, and can be oil-lubricated or oil-cost-free.
A optimistic displacement air compressor is various from a dynamic compressor. It draws air into the compression chambers and then releases the stress when the valve is opened. Constructive displacement compressors are common in industrial programs and are offered in single-performing, double-acting, and oil-lubricated designs. Huge piston compressors have ventilated intermediate items and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-totally free

Oil-free of charge air compressors have some positive aspects in excess of their oil-lubricated counterparts. They do not require lubrication oil simply because they are coated with Teflon. The materials has a single of the least expensive coefficients of friction and is layered, so it slides earlier other levels with little effort. Simply because of this, oil-free compressors tend to be cheaper and even now provide similar functionality. Oil-free compressors are a excellent option for industrial purposes.
The life of an oil-totally free air compressor is significantly for a longer time than an oil-lubricated counterpart. These versions can run up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-totally free compressors also have a drastically lower running sound than their oil-lubricated counterparts. And due to the fact they don’t require oil alterations, they are quieter. Some even very last up to 2,000 several hours.
An oil-totally free air compressor is a good decision if your application demands high levels of purity. Many applications call for extremely-pure air, and even a drop of oil can cause merchandise spoilage or injury to creation gear. In addition to the well being hazards, an oil-free of charge air compressor decreases the charges related with oil contamination and minimizes leaks. It also removes the want for oil assortment, disposal, and treatment.
A standard oil-totally free air compressor is really effective, necessitating only about 18% of the total load horsepower. Nevertheless, oil-free compressors have a larger danger of untimely failure and are not advisable for large-scale industrial purposes. They could also use up to eighteen% of the compressor’s entire capacity. They could seem attractive, but you must make sure you comprehend the positive aspects of an oil-totally free air compressor prior to choosing one particular for your industrial apps.

One-phase

A single-phase air compressor is developed to give the electricity for a solitary pneumatic device or gadget. These machines are usually smaller than two-phase compressors and produce much less heat and vitality. These machines aren’t developed for hefty-obligation industries, but they are still very efficient for a range of programs, such as auto retailers, fuel stations, and various production crops. They can also be employed in borewells, as they are appropriate for modest spaces with lower air flow needs.
A solitary-stage air compressor has one particular cylinder and two valves – the inlet and the delivery valves. Equally of these valves purpose mechanically, with the inlet valve managing torque and the shipping and delivery one particular managing air stress. Usually, single-phase compressors are driven by a gas motor, but there are also electric powered types obtainable. The one-stage air compressor is the most common kind of air compressor. It has a one cylinder, one particular piston, and a single air cylinder.
The single-stage air compressors are utilized for modest assignments or personalized use. A two-phase air compressor is a lot more effective for industrial projects. Its lengthier air stop lifestyle makes it much more successful. It is also far more productive for use in the automotive industry, exactly where the engine has numerous cylinders. In common, solitary-stage compressors require a greater energy degree. The single-phase model is perfect for modest tasks, although a two-phase 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-for each-moment (CFM) of an air compressor is the output of the device. In get to compute the CFM degree, commence by looking at the compressor’s specs. You ought to know how several cubic toes the unit can keep and how several kilos for every sq. inch it can compress. After you have these details, you can determine the CFM. Now you can use these numbers to pick an acceptable air compressor for your requirements.
The most frequent way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will create far more than ten CFM. You can also try out connecting two output valves. Make sure that the options are adjusted correctly prior to you commence. This will make certain that your air compressor is performing at its greatest performance and lifespan. To increase the CFM of your air compressor, very first check that your regulator is calibrated for the preferred strain stage.
To compute the CFM of an air compressor, first determine the tank quantity of the device. Then, multiply this volume by the time it takes to fill the tank. Then, divide the outcome by sixty seconds to determine the CFM. Once you know how a lot air your equipment can maintain, you can select a suitable air compressor. If you’re working in a confined location, you need to acquire a resource with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge linked to the airline at the base, up coming to it, or amongst the two. The gauge tells the actual strain of the air compressor, even though the reduce-out stress is determined by the company. The company recommends that you set the reduce-out force twenty to forty PSI greater than the factory suggested stress. If you want to established the pressure for your nail gun, you can use the lower-in and minimize-out pressures on your compressor, and the tank will not likely exceed this assortment.
The PSI of an air compressor measures the force that it can deliver, which is often in kilos for each square inch. For most air resources, you need at least forty to ninety psi. In general, reciprocating air compressors work on an on/off basis. This romantic relationship is identified as the responsibility cycle. All air compressors are rated for a particular duty cycle, this sort of as fifty % on and 20-5 % off.
The Psig of an air compressor is not totally free, as several individuals think. The PSI of an air compressor is not free, but it is important to maintain it for risk-free operations. If you are having problems maintaining a consistent force, consider turning down the PSI of your compressor by 2 psig. This will establish the critical force for the equipment. You will also improve the amount of power in the program by one p.c.
air-compressor

Electricity supply

The power source for an air compressor is critical in its procedure. Without the right voltage and amperage, air compressors will not perform appropriately. The electricity source should be shut to the compressor so that it can plug into an electrical outlet. If it is too much from the outlet, the compressor may possibly not be in a position to build enough stress. When this happens, the fuse within the air compressor will turn off to defend the person. The electrical power resource ought to be a secure distance from the compressor.
Most makers do not specify the energy source for an air compressor. Based on the horsepower, the compressor will require roughly four amps of electricity. A a single-horsepower compressor would attract about twelve amps. If it have been driven by a common one hundred twenty-volt house supply, its motor would exceed the fifteen-amp breaker ability. A greater air compressor, nevertheless, will demand a different fifteen-amp electrical power resource, making it extremely hard to use it with this type of electricity resource.
The electrical power source for an air compressor is generally electrical alternating existing (AC) that is equivalent to the voltage on a standard wall outlet. A three-section air compressor, on the other hand, needs a unique AC provide with three electrical offset pulses. No matter of the type of air compressor, the electrical power resource must be appropriate with the incoming electricity service. A single of the most typical difficulties when making an attempt to connect an air compressor to an AC energy source is undersized wire. This final results in reduced voltage and high amperes, tripping of in excess of-load relays and blown fuses.

China high quality Heavy Duty Skid Mounted Type Explosion Proof Stationary Diesel Engine Direct Driven Rotary Screw Air Compressor for Oil and Gas industry with Best Sales