China manufacturer Silent Industry AC Power Direct Drive 0.8MPa Screw Air Compressor 700cfm air compressor portable

Product Description

Silent Industry Ac Power Direct Drive 0.8mpa Screw Air Compressor 700cfm

Technical Parameters Of fixed speed screw air compressor:

Model WZS-150AZ
Air Flow/Working pressure 20.3m3/min @ 7.5bar
19.0m3/min @ 8.5bar
17.0m3/min @ 10.5bar
14.6m3/min @ 12.5bar
Compression stage Single
Type of Cooling Air Cooling
Exhaust Temperature < ambient temperature+8 degrees
Oil content of discharged air <2ppm
Noise 75±2 dB(A)
Power 380VAC/3phase/50Hz (Adjustable)
Starting way Y-△ start
Driven method Direct-driven
Motor power 110kw/125hp
Dimension 2800*1650*1850mm
Weight 3030kg


WZS- 10AZ 15AZ 20AZ 25AZ 30AZ 50AZ 75AZ 100AZ 125AZ
Air flow/pressure (m³/min/Bar) 1.2/7.5 1.7/7.5 2.4/7.5 3.1/7.5 3.8/7.5 6.4/7.5 10.5/7.5 13.6/7.5 16.3/7.5
1.1/8.5 1.6/8.5 2.2/8.5 2.9/8.5 3.5/8.5 6.1/8.5 9.8/8.5 13.3/8.5 15.0/8.5
0.95/10.5 1.4/10.5 2.0/10.5 2.7/10.5 3.2/10.5 5.7/10.5 8.7/10.5 11.6/10.5 14.6/10.5
0.8/12.5 1.2/12.5 1.7/12.5 2.2/12.5 2.9/12.5 5.1/12.5 7.5/12.5 9.8/12.5 12.3/12.5
Motor Power (kw) 7.5 11 15 18.5 22 37 55 75 90
Horse power (HP) 10 15 20 25 30 50 75 100 125
Dimension Length(mm) 1000 1040 1040 1100 1400 1600 2050 2050 2150
Width (mm) 600 800 800 850 850 1000 1200 1200 1300
Height (mm) 1000 1180 1180 1300 1150 1370 1500 1500 1700
Noise dB(A) 66±2 70±2 70±2 70±2 71±2 74±2 74±2 75±2 75±2
Outlet diameter G3/4 G3/4 G3/4 G11/4 G11/4 G11/2 G2 G2 G2
Weight (kg) 240 400 410 590 620 840 1735 1850 1920


WZS- 150AZ/W 180AZ/W 220AZ/W 250AZ/W 300AZ/W 340AZ/W 400AZ/W 480AZ/W 540AZ/W
Air flow/pressure (m³/min/Bar) 20.3/7.5 24.0/7.5 27.0/7.5 32.5/7.5 40.0/7.5 43.5/7.5 50.8/7.5 60.0/7.5 72.0/7.5
19.0/8.5 23.0/8.5 26.5/8.5 31.0/8.5 36.8/8.5 42.0/8.5 48.2/8.5 57.0/8.5 68.0/8.5
17.0/10.5 20.0/10.5 22.5/10.5 28.0/10.5 32.2/10.5 38.8/10.5 42.6/10.5 50.0/10.5 60.5/10.5
14.6/12.5 18.0/12.5 20.1/12.5 25.1/12.5 28.5/12.5 34.6/12.5 39.8/12.5 45.0/12.5 50.5/12.5
Motor Power (kw) 110 132 160 185 220 250 300 350 400
Horse power (HP) 150 180 220 250 300 340 400 480 540
Dimension Length(mm) 2800 2800 2800 2800 2900 2900 4200 4200 4200
Width (mm) 1650 1650 1650 1650 1860 1860 2200 2200 2200
Height (mm) 1850 1850 1850 1850 2000 2000 2150 2150 2150
Noise dB(A) 75±2 75±2 75±2 78±2 78±2 78±2 80±2 82±2 83±2
Outlet diameter DN65 DN65 DN80 DN80 DN100 DN100 DN125 DN125 DN150
Weight (kg) 3030 3130 3210 3470 4500 4600 7000 7500 8100

Before quotation:
1.Before quoting, what should users offer?
1).Discharge pressure (Bar, Mpa or Psi)
2).Air discharge/Air flow/Air capacity (m3/min or CFM)
3).Power supply (220/380V, 50/60Hz, 3Phase)

2.If I don’t know the pressure and air flow, what should I do?
1).Take the picture of nameplate, we will advise the suitable air compressor to you.
2).Tell us what industry you are, we can advise the suitable 1 (so as to air tank / air dryer / air filters).

Delivery: time 5-25 working days after payment receipt confirmed(based on actual quantity)
packing:standard export packing. or customized packing as your
Professional: goods shipping forwarder.

Q: OEM/ODM, or customers logo printed is available?
Yes, OEM/ODM, customers logo is welcomed.

Q:  Delivery date?
Usually 5-25 workdays after receiving deposit, specific delivery date based on order quantity

Q: what’s your payment terms?
Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, otherpayment terms also can be discussed based on our cooperation.

Q: How to control your quality?
We have professional QC team, control the quality during the mass production and inspectthe completely goods before shipping.

Q:  If we don’t have shipping forwarder in China, would you do this for us?
We can offer you best shipping line to ensure you can get the goods timely at best price.

Q: come to China before, can you be my guide in China?
We are happy to provide you orservice, such as booking ticket, pick up at the airport, booking hotel, accompany visiting market or factory
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After-sales Service: Video Technical Support
Warranty: 1 Year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical


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

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

What are the key components of an air compressor system?

An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:

1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.

2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.

3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.

4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.

5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.

6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.

7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.

8. Regulator: The regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications, ensuring a consistent and safe supply of compressed air.

9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.

10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.

These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.

China manufacturer Silent Industry AC Power Direct Drive 0.8MPa Screw Air Compressor 700cfm   air compressor portableChina manufacturer Silent Industry AC Power Direct Drive 0.8MPa Screw Air Compressor 700cfm   air compressor portable
editor by CX 2024-03-15