Tag Archives: inverter screw compressor

China Hot selling Great 22kw 30HP 10bar 150psi 3.2m3 /Min 115cfm (Permanent magnet Variable Speed Driven) Pmvsd Inverter Rotary Screw Air Compressor arb air compressor

Product Description

GREAT 22kw 30hp 10bar 150psi 3.2m3 /min 115cfm (Permanent magnet Variable Speed Driven) PMVSD  Inverter Rotary Screw Air Compressor 

1. Pictures for  GREAT  PM VSD screw air compressor:

2. Products introductions &advantages for 7.5-630kw oil injected PM VSD ( permanent maget variable speed driven) Rotary Screw Air Compressor:


1) .Oil cooling high efficiency permanent magnet motor

2). Insulation grade F, protection grade IP54,adapt to the high dusty environment. IE4 Efficiency motor efficiency.

3).Max.RPM 15, China

Q3: Warranty terms of your machine?
A3: One year for whole machine 2 year for air end ,  and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.we have our own spare parts companys 

Q5: What about product package?
A5: We pack our products strictly with standard seaworthy case.

Q6: What about the voltage of products?
A6: voltage  can be customized according to your equirement.

Q7: Which payment term can you accept?
A7: TT or LC 

Q8: How long will you take to arrange production?
A8: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 15-20 days.

Q9: Can you accept OEM orders?
A9: Yes, with professional design team, OEM orders are highly welcome.

Q10: Which trade term can you accept?
A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

11. Contact:


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


air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

What is the impact of altitude on air compressor performance?

The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:

1. Decreased Air Density:

As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.

2. Reduced Airflow:

The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.

3. Decreased Power Output:

Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.

4. Extended Compression Cycle:

At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.

5. Pressure Adjustments:

When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor’s pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.

6. Compressor Design:

Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.

7. Maintenance Considerations:

Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor’s operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.

When using an air compressor at higher altitudes, it is advisable to consult the manufacturer’s guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.

air compressor

What is the purpose of an air compressor?

An air compressor serves the purpose of converting power, typically from an electric motor or an engine, into potential energy stored in compressed air. It achieves this by compressing and pressurizing air, which can then be used for various applications. Here’s a detailed explanation of the purpose of an air compressor:

1. Powering Pneumatic Tools: One of the primary uses of an air compressor is to power pneumatic tools. Compressed air can be used to operate a wide range of tools, such as impact wrenches, nail guns, paint sprayers, sanders, and drills. The compressed air provides the necessary force and energy to drive these tools, making them efficient and versatile.

2. Supplying Clean and Dry Air: Air compressors are often used to supply clean and dry compressed air for various industrial processes. Many manufacturing and production operations require a reliable source of compressed air that is free from moisture, oil, and other contaminants. Air compressors equipped with appropriate filters and dryers can deliver high-quality compressed air for applications such as instrumentation, control systems, and pneumatic machinery.

3. Inflating Tires and Sports Equipment: Air compressors are commonly used for inflating tires, whether it’s for vehicles, bicycles, or sports equipment. They provide a convenient and efficient method for quickly filling tires with the required pressure. Air compressors are also used for inflating sports balls, inflatable toys, and other similar items.

4. Operating HVAC Systems: Air compressors play a crucial role in the operation of heating, ventilation, and air conditioning (HVAC) systems. They provide compressed air for controlling and actuating dampers, valves, and actuators in HVAC systems, enabling precise regulation of air flow and temperature.

5. Assisting in Industrial Processes: Compressed air is utilized in various industrial processes. It can be used for air blow-off applications, cleaning and drying parts, powering air-operated machinery, and controlling pneumatic systems. Air compressors provide a reliable and efficient source of compressed air that can be tailored to meet the specific requirements of different industrial applications.

6. Supporting Scuba Diving and Breathing Systems: In scuba diving and other breathing systems, air compressors are responsible for filling diving tanks and supplying breathable air to divers. These compressors are designed to meet strict safety standards and deliver compressed air that is free from contaminants.

Overall, the purpose of an air compressor is to provide a versatile source of compressed air for powering tools, supplying clean air for various applications, inflating tires and sports equipment, supporting industrial processes, and facilitating breathing systems in specific contexts.

China Hot selling Great 22kw 30HP 10bar 150psi 3.2m3 /Min 115cfm (Permanent magnet Variable Speed Driven) Pmvsd Inverter Rotary Screw Air Compressor   arb air compressorChina Hot selling Great 22kw 30HP 10bar 150psi 3.2m3 /Min 115cfm (Permanent magnet Variable Speed Driven) Pmvsd Inverter Rotary Screw Air Compressor   arb air compressor
editor by CX 2023-10-03

China OEM 220V 60Hz 22kw 30HP Screw Air-Compressors with Inverter VSD Compressor small air compressor

Item Description

Technological innovation knowledge

220v 60hz 22kw 30HP Screw air-compressors with Inverter VSD Compressor

  • Product: AS-30HVF
  • Cooling: Air cooling
  • Free air supply: 3.42 M³
  • Discharge stress: .8 bar
  • Safety valve established stress: Compressor exhaust pressure +.1 MPa
  • Travel: Belt and Direct connection
  • Motor energy: 22KW
  • Insulation stage: F
  • Sounds: less than78 dB(A)
  • Motor safety class: IP23
  • Compressor dimension(L×W×H): 1380X850X1160
  • Compressor fat: 470kg
  • Brand name of screw air stop: CZPT and Hanbell
  • Control: PLC
  • Cooling: by air
  • Electric powered motor:220/60HZ/3PH
  • Warranty: twelve months


Business details


Hongkong CZPT Business Constrained was set up in 2000, located in Chang’an town, HangZhou city– “China Countrywide Equipment and Hardware town” .
We are a Hi-Tech organization focus in analysis, improvement, manufacture and distribution of air compressor sparts. With our abundant encounter, job technology and arduous top quality manage, our merchandise are broadly employed in air compressor field with great opinions and constant orders from much more than 2,000 customers in domestic and oversea industry. 
We can remedy any specialized difficulties you could encounter with your air compressor and give many sorts of air compressor parts for you.


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24 hours a days, 7 days a week

one-stop purchasing

Competitive price, good quality and efficient

We accept your specific order and do everything we can to meet your requirement.


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Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
US$ 1950/Set
1 Set(Min.Order)

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