Tag Archives: permanent magnet compressor

China supplier Permanent Magnet Screw Air Compressor SPM780II(Two stage compression) air compressor price

Product Description

Product Description
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 CHINAMFG 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.

Product details:

Application Fields:

Our Exhibition:

Our Service:

1.Pre-sale service:

Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments . 1.Select equipment model. 2.Design and manufacture products according to client’s special requirement ; 3.Train technical personnel for clients .

2.Services during the sale:

1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .

3.After-sale services:

Provide considerate services to minimize clients’ worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3.Other essential technological service.

Contact details:
Company name:HangZhou CHINAMFG Compressor Co.,Ltd
Company address:No.498 YouYi north street,Xihu (West Lake) Dis. district,HangZhou city.
Sales manager:Rick Zhang  Mobile No.:86~885177632  

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type


air compressor

Can air compressors be used for painting and sandblasting?

Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:


Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:

  • Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
  • Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
  • Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.


Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:

  • Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
  • Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
  • Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.

When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.

Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.

air compressor

How does the horsepower of an air compressor affect its capabilities?

The horsepower of an air compressor is a crucial factor that directly impacts its capabilities and performance. Here’s a closer look at how the horsepower rating affects an air compressor:

Power Output:

The horsepower rating of an air compressor indicates its power output or the rate at which it can perform work. Generally, a higher horsepower rating translates to a greater power output, allowing the air compressor to deliver more compressed air per unit of time. This increased power output enables the compressor to operate pneumatic tools and equipment that require higher air pressure or greater airflow.

Air Pressure:

The horsepower of an air compressor is directly related to the air pressure it can generate. Air compressors with higher horsepower ratings have the capacity to produce higher air pressures. This is particularly important when operating tools or machinery that require specific air pressure levels to function optimally. For example, heavy-duty pneumatic tools like jackhammers or impact wrenches may require higher air pressure to deliver the necessary force.

Air Volume:

In addition to air pressure, the horsepower of an air compressor also affects the air volume or airflow it can provide. Higher horsepower compressors can deliver greater volumes of compressed air, measured in cubic feet per minute (CFM). This increased airflow is beneficial when using pneumatic tools that require a continuous supply of compressed air, such as paint sprayers or sandblasters.

Duty Cycle:

The horsepower rating of an air compressor can also influence its duty cycle. The duty cycle refers to the amount of time an air compressor can operate continuously before it needs to rest and cool down. Higher horsepower compressors often have larger and more robust components, allowing them to handle heavier workloads and operate for longer periods without overheating. This is particularly important in demanding applications where continuous and uninterrupted operation is required.

Size and Portability:

It’s worth noting that the horsepower rating can also affect the physical size and portability of an air compressor. Higher horsepower compressors tend to be larger and heavier due to the need for more substantial motors and components to generate the increased power output. This can impact the ease of transportation and maneuverability, especially in portable or mobile applications.

When selecting an air compressor, it is essential to consider the specific requirements of your intended applications. Factors such as desired air pressure, airflow, duty cycle, and portability should be taken into account. It’s important to choose an air compressor with a horsepower rating that aligns with the demands of the tools and equipment you plan to operate, ensuring optimal performance and efficiency.

Consulting the manufacturer’s specifications and guidelines can provide valuable information on how the horsepower rating of an air compressor corresponds to its capabilities and suitability for different tasks.

air compressor

What is the role of air compressor tanks?

Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:

1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.

2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.

3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.

4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.

5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.

6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.

Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.

China supplier Permanent Magnet Screw Air Compressor SPM780II(Two stage compression)   air compressor priceChina supplier Permanent Magnet Screw Air Compressor SPM780II(Two stage compression)   air compressor price
editor by CX 2023-10-10

China Custom All in One 5.5-75kw Industrial Screw Air Compressor 7.5HP Electric Rotary Compres 7bar/8bar Silent Air Compressor 10bar/13bar Permanent Magnet Rotary Compressor arb air compressor

Product Description

Product Name Oil Cooled Permanent Magnet Motor Screw Air Compressor
Model :  OCP
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:  8~13bar
Installed Motor Power:  7.5~75 Kw
Color:  Customer′s Requirements
Driven Method: Belt Driven
Transport Package:  Standard Wooden Packing
Origin:  ZheJiang , China
application:  Dentistry,Laboratory,New Energy

Model Pressure
OCPV-0.7/7.5 0.7  1.20  7.5 840*620*850 400
OCPV-0.8/7.5 0.8  1.10 
OCPV-1.0/7.5 1.0  0.95 
OCPV-1.3/7.5 1.3  0.80 
OCPV-0.7/11 0.7  1.70  11 1150*750*1571 450
OCPV-0.8/11 0.8  1.60 
OCPV-1.0/11 1.0  1.40 
OCPV-1.3/11 1.3  1.20 
OCPV-0.7/15 0.7  2.40  15 1150*750*1571 500
OCPV-0.8/15 0.8  2.20 
OCPV-1.0/15 1.0  2.00 
OCPV-1.3/15 1.3  1.70 
OCPV-0.7/22 0.7  3.80  22 1300*850*1140 600
OCPV-0.8/22 0.8  3.50 
OCPV-1.0/22 1.0  3.20 
OCPV-1.3/22 1.3  2.90 
OCPV-0.7/37 0.7  6.40  37 1500*950*1230 800
OCPV-0.8/37 0.8  6.10 
OCPV-1.0/37 1.0  5.70 
OCPV-1.3/37 1.3  5.00 
OCPV-0.7/45 0.7  8.00  45 1500*950*1230 850
OCPV-0.8/45 0.8  7.70 
OCPV-1.0/45 1.0  7.00 
OCPV-1.3/45 1.3  5.80 
OCPV-0.7/55 0.7  10.50  55 1500*1100*1450 900
OCPV-0.8/55 0.8  9.80 
OCPV-1.0/55 1.0  8.70 
OCPV-1.3/55 1.3  7.60 
OCPV-0.7/75 0.7  13.60  75 1500*1100*1450 950
OCPV-0.8/75 0.8  13.30 
OCPV-1.0/75 1.0  11.60 
OCPV-1.3/75 1.3  9.80 

Product Features

1. China-Japan latest technology cooperation, high reliability.

2. Oil Cooling  Permanent Magnetic Motor.

3. IP65 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. Reliable PM motor supplier from Italy.

9. Direct Taper connection, no transmission power loss, easy maintenance.

10.Touch Screen PLC with preset running schedule, more intelligent control.

11. Both main motor and fan motor are inverter control, more accurate control.

12. Easy for installation and service.

13. Fantastic Energy Saving, save up to more than 30-40%.

Specially designed PM motor:

The PM motor efficiency is even higher than IE3 premium efficiency motors. The motor uses high performance magnetic materials giving many advantages such as bearing free operation, grease free maintenance, direct 1:1 coupling without transmission losses, low noise and low vibration leading to a compact structure.

Enhanced Energy Savings:

When demand is low the PM low pressure compressor firstly reduces the speed to maintain the correct flow demand. If the air demand stops the compressor enters standby mode, saving further energy. The compressor automatically restarts and runs when the pressure drops below its setpoint.

The latest generation intelligent touchscreen controller:

SCR’s latest touchscreen interface allows simple intelligent control for your compressor. Pressure and scheduling times can be easily programmed allowing you to automatically start and stop the compressor to match production times. Remote operation and real time monitoring are built in the controller as standard.

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 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 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.

After-sales Service: Online Support
Warranty: 1 Years
Lubrication Style: Lubricated
Cooling System: Oil-Cooled
Power Source: AC Power
Structure Type: Closed Type
US$ 3000/Piece
1 Piece(Min.Order)

Request Sample




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 two lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other one 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-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 two 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.


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 one 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.


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 two valves – one for inlet and one 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 one 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.


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 one 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 one is an excellent choice.

China Custom All in One 5.5-75kw Industrial Screw Air Compressor 7.5HP Electric Rotary Compres 7bar/8bar Silent Air Compressor 10bar/13bar Permanent Magnet Rotary Compressor   arb air compressorChina Custom All in One 5.5-75kw Industrial Screw Air Compressor 7.5HP Electric Rotary Compres 7bar/8bar Silent Air Compressor 10bar/13bar Permanent Magnet Rotary Compressor   arb air compressor
editor by CX 2023-05-30

China Hot selling CZPT 132kw 175HP Low Noise Electric Industrial Energy Saving Rotary Permanent Magnet VSD Screw Type Air Compressor 12v air compressor

Product Description

Product Description

1.Atals-Copco Air-End
Atlas-Copco Group 149years air-end research & development experience.

2.High Efficiency & Save Energy
High efficiency & energy saving intake valve,keep in lower unloading pressure and avoid large energy consumption when 

3.Easy Installation & Operation
Compressor is filled with inbrication oil before delivering. You can operate it after installing and power on.

4.Low noise & low vibration
Atlas-copco air-end, low noise & vibration.

5.Reliability & Safety
Reliability bigger cooler, lower operating temperature.

Detailed Photos

Product Parameters

LSW-8A PM-8 8 116 0.5~1.1 10 7.5 510 Air
Belt Driven 57±2 G3/4”  —  — 800*800*1200
LSW-8A PM-10 10 145 0.4~0.9
LSW-11A PM-8 8 116 0.7~1.7 15 11 620 Air
Direct Driven 60±2 G3/4”  —  — 1200*855*1335
LSW-11A PM-10 10 145 0.6~1.4
LSW-15A PM-8 8 116 1.0~2.3 20 15 670 Air
Direct Driven 60±2 G3/4”  —  — 1200*855*1335
LSW-15A PM-10 10 145 0.9~2.0
LSW-18.5A PM-8 8 116 1.2~3.0 25 18.5 730 Air
Direct Driven 63±2 G1”  —  — 1400*1571*1340
LSW-18.5A PM-10 10 145 1.0~2.6
LSW-22A PM-8 8 116 1.5~3.6 30 22 780 Air
Direct Driven 63±2 G1”  —  — 1400*1571*1340
LSW-22A PM-10 10 145 1.3~3.0
LSW-30A PM -8 8 116 2.1~5.1 40 30 1150 Air
Direct Driven 66±2 G1-1/4”  —  — 1650*1180*1505
LSW-30A PM-10 10 145 1.8~4.3
LSW-37A PM-8 8 116 2.6~6.4 50 37 1200 Air
Direct Driven 66±2 G1-1/4”  —  — 1650*1180*1505
LSW-37A PM-10 10 145 2.2~5.4
LSW-45W PM-8 8 116 3.3~8.2 60 45 1490 Water
Direct Driven 68±2 G2” G1-1/2” 10 1800*1360*1670
LSW-45W PM-10 10 145 2.8~7.0
LSW-55W PM-8 8 116 4.0~10 75 55 1570 Water
Direct Driven 69±2 G2” G1-1/2” 12 1800*1360*1670
LSW-55W PM-10 10 145 3.4~8.5
LSW-75W PM-8 8 116 5.2~13.0 75 55 1750 Water
Direct Driven 69±2 G2” G1-1/2” 18 1800*1360*1670
LSW-75W PM-10 10 145 4.4~11.1
LSW-90W PM-8 8 116 6.9~17.2 120 90 2450 Water
Direct Driven 73±2 G2-1/2” G1-1/2” 20 2200*1550*1800
LSW-90W PM-10 10 145 5.9~14.6
LSW-110W PM-8 8 116 8.2~20.3 150 110 2580 Water
Direct Driven 75±2 G2-1/2” G2” 24 2200*1550*1800
LSW-110W PM-10 10 145 7.0~17.3
LSW-132W PM-8 8 116 9.7~24.1 180 132 2700 Water
Direct Driven 75±2 G2-1/2” G2” 30 2700*1550*1800
LSW-132W PM-10 10 145 8.2~20.5
LSW-160W PM-8 8 116 11.3~28.2 210 160 3900 Water
Direct Driven 77±2 G3” G3” 35 3000*1800*2100
LSW-160W PM-10 10 145 9.6~24.0
LSW-185W PM-8 8 116 12.9~32.1 240 185 4050 Water
Direct Driven 77±2 G3” G3” 38 3000*1800*2100
LSV180W PM-10 10 145 11.0~27.3
LSW-200W PM-8 8 116 13.8~34.5 270 200 4200 Water
Direct Driven 78±2 G4” G4” 42 3000*1800*2100
LSW-200W PM-10 10 145 11.7~29.3
LSW-220W PM-8 8 116 15.5~38.6 295 220 4400 Water
Direct Driven 79±2 G4” G4” 47 3100*1850*2100
LSW-220W PM-10 10 145 13.2~32.8
LSW-250W PM-8 8 116 17.1~42.6 340 250 4800 Water
Direct Driven 79±2 G4” G4” 53 3100*1850*2100
LSW-250W PM-10 10 145 14.5~36.2

Company Profile


Q1: Are you a manufacturer or trading company?
A1: Xihu (West Lake) Dis.in is professional screw air compressor factory located in HangZhou, China, CZPT is Xihu (West Lake) Dis.in overseas market sales representative.

Q2: Xihu (West Lake) Dis.in is real member of Atlas-copco group?
A2: Yes, in 2571, Sweden Atlas-copco 100% acquired Xihu (West Lake) Dis.in.

Q3: Xihu (West Lake) Dis.in air-end from Atlas-copco?
A3: Yes, Xihu (West Lake) Dis.in LS/LSV, LOH, LSH and CS series air compressors all use Atlas Copco’s air-end.

Q4: What’s your delivery time?
A4: about 10-20days after you confirm the order, other voltage pls contact with us.

Q5: How long is your air compressor warranty?
A5: One year for the whole machine since leave our factory. 

Q6: What’s the payment term?
A6:We accept T/T, LC at sight, Paypal etc.
Also we accept USD, RMB, JPY, EUR, HKD, GBP, CHF, KRW.

Q7: What’s the Min. Order requirement?
A7: 1unit

Q8: What service you can support?
A8: We offer after-sales service, custom service, production view service and one-stop service.


Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Single Screw Compressor
US$ 70517/unit
1 unit(Min.Order)

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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.


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 one 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.

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 two 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 one square inch of air. These two 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.

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.

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 Hot selling CZPT 132kw 175HP Low Noise Electric Industrial Energy Saving Rotary Permanent Magnet VSD Screw Type Air Compressor   12v air compressorChina Hot selling CZPT 132kw 175HP Low Noise Electric Industrial Energy Saving Rotary Permanent Magnet VSD Screw Type Air Compressor   12v air compressor
editor by CX 2023-04-21

China best Energy Saving 15kw/20HP Permanent Magnet VSD Screw Air Compressor & Rotary Air Compressor at-20A-Zpm with Good quality

Item Description

Item Description:

The screw air compressor is composed of a pair of parallel and intermeshing feminine and male screws. It is the most widely employed rotary compressor.
There are 2 types of solitary-screw and twin-screw. Usually speaking, the CZPT refers to the twin-screw compressor. It was first proposed by the German H. Krigar in 1878. It was not until 1934 by A. Lysholm of the Royal Institute of Technologies in Sweden that the technological innovation was proven, and it commenced to be utilized in sector and achieved quick growth.

Product Photograph:

Item Specification:

Air Delivery (m3/min)/ Pressur(Mpa) one.2/.7 one.65/.seven 2.5/.seven three.2/.7 three.8/.seven five.3/.seven six.8/.7 seven.4/.7
1.1/.eight 1.5/.8 2.3/.eight 3./.eight three.6/.eight 5./.eight six.2/.eight 7./eight
.ninety five/1. 1.3/1. 2.1/1. 2.7/1. three.2/1. 4.5/1. five.6/1. six.2/1.
.8/1.2 one.1/1.2 one.9/1.two two.4/1.two two.7/1.two 4./1.2 5./1.two 5.6/1.2
Cooling Technique Air Cooling
Lubrication Volume(L) 10 18 25 30
Driving Method Direct Driven
Voltage 220-440V50/60Hz
Electricity(KW/HP) 7.5/10 eleven/15 15/twenty eighteen.5/twenty five 22/thirty 30/40 37/50 forty five/sixty
Start off System Variable Frequency Starting up
Measurement(cm) 86*63*86 106*seventy five*101 121*eighty five*116 136*one hundred and one*126
Bodyweight a hundred and fifty 230 250 three hundred 350 450 480 550
Outlet measurement 1/2″ 3/4″ 1″ 1&1/2″

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Merchandise Information:

New generation of large-efficient Airend
one.Sophisticated and power preserving spiral tooth-type technologies.
two.New Sort 5:6 asymmetrical rotator tooth type.
three.Power elevated by a lot more than 5%-ten% in air dischage when in contrast to other ordinary machine.

Higher -successful energy method
one.PM motor adopts substantial-performance NdFeB, which will not lose magnetism beneath 200ºC and its provider existence reaches as long as 15 several years.
2.Coaxial composition design and style,travel performance of bearingless structure is one hundred%.
three.No regular grease injection, no replacement of bearings on a regular basis.
4.The motor is modest in size, lower sounds,low in vibratio and easy in operation.

High-Performance Inverter
one.Equipped with high frequency reactor, decreasing the frequency converter.
2.Lowers CZPT recent when it is began, realizes secure beginning.
3.Can be instantly change the velocity of the Motor accoring to your true necessity, Power saving up to 35%.

High Efficient oil and fuel speraration program
with the world renowned brand apoda oil and fuel sperarator, reduce the oil content material of the compressor exhaust gasoline and the oil content of the unit electricity usage is only 1-2PPM.

Intelligent manage program
1.Multi-Language can be switched in accordance to your need.
two.With safety features up to twelve sorts, such as overload,short circuit,lower temperature, above voltage and so on.
three.Basically and distinct, easy to run.

Item Installation Diagram:

Solution Application:

Workshop Display:

Our Rewards:

Manufacturing unit Overview:

Worldwide Market:


1.Q:Can you offer the samples to us?
    A: of course, we can supply the sample to you in totally free, but the expense of the freight on your account.

2. Q:Can you do the purchase in accordance to the customer need?
     A:Of course, we can do the order according to your sample or drawings, OEM/ODM services offered.

3. Q:What is your shipping time?
    A:Usually, it truly is 7 days if the merchandise are in stock. It will  normally takes about fifteen-25days if the products are not in inventory, Primarily relies upon on the order amount.

four.Q:What is your conditions of payment?
    A:Normally thirty% benefit of goods as deposit, stability volume against the duplicate of the BL.

five. Q: How extended is the warranty ?
     A: 14 months given that the container transported besides swift-dress in components.

After-sales Service: 14 Months
Warranty: 14 Months
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type
US$ 2200/Piece
1 Piece(Min.Order)

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