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China factory Permanent Magnet Synchronous Motor (PMSM) Variable Frequency Converter Drive Pm VSD Inverter Direct Driven Double Screw Air Compressor with Affordable Price portable air compressor

Product Description

30HP 22KW Pm Oil Cooled  Energy Saving Screw Air Compressor

Technical Parameters Of PM Variable speed screw air compressor:

Model WZS-20EVA
Air Flow/Working pressure 2.2m3/min @ 8bar
1.8m3/min @ 10bar
Cooling type of COMPRESSOR Air cooling
Cooling type of MOTOR Air cooling
Driven method Direct Driven
Start way Soft VSD Start
Exhaust Temp. < ambient temp. +8 degrees
Oil content <2ppm
Noise 63±2 dB(A)
Power 380VAC/3ph/0~2
Web: compressor /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24/7 Service Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical


air compressor

Can air compressors be used for shipbuilding and maritime applications?

Air compressors are widely used in shipbuilding and maritime applications for a variety of tasks and operations. The maritime industry relies on compressed air for numerous essential functions. Here’s an overview of how air compressors are employed in shipbuilding and maritime applications:

1. Pneumatic Tools and Equipment:

Air compressors are extensively used to power pneumatic tools and equipment in shipbuilding and maritime operations. Pneumatic tools such as impact wrenches, drills, grinders, sanders, and chipping hammers require compressed air to function. The versatility and power provided by compressed air make it an ideal energy source for heavy-duty tasks, maintenance, and construction activities in shipyards and onboard vessels.

2. Painting and Surface Preparation:

Air compressors play a crucial role in painting and surface preparation during shipbuilding and maintenance. Compressed air is used to power air spray guns, sandblasting equipment, and other surface preparation tools. Compressed air provides the force necessary for efficient and uniform application of paints, coatings, and protective finishes, ensuring the durability and aesthetics of ship surfaces.

3. Pneumatic Actuation and Controls:

Air compressors are employed in pneumatic actuation and control systems onboard ships. Compressed air is used to operate pneumatic valves, actuators, and control devices that regulate the flow of fluids, control propulsion systems, and manage various shipboard processes. Pneumatic control systems offer reliability and safety advantages in maritime applications.

4. Air Start Systems:

In large marine engines, air compressors are used in air start systems. Compressed air is utilized to initiate the combustion process in the engine cylinders. The compressed air is injected into the cylinders to turn the engine’s crankshaft, enabling the ignition of fuel and starting the engine. Air start systems are commonly found in ship propulsion systems and power generation plants onboard vessels.

5. Pneumatic Conveying and Material Handling:

In shipbuilding and maritime operations, compressed air is used for pneumatic conveying and material handling. Compressed air is utilized to transport bulk materials, such as cement, sand, and grain, through pipelines or hoses. Pneumatic conveying systems enable efficient and controlled transfer of materials, facilitating construction, cargo loading, and unloading processes.

6. Air Conditioning and Ventilation:

Air compressors are involved in air conditioning and ventilation systems onboard ships. Compressed air powers air conditioning units, ventilation fans, and blowers, ensuring proper air circulation, cooling, and temperature control in various ship compartments, cabins, and machinery spaces. Compressed air-driven systems contribute to the comfort, safety, and operational efficiency of maritime environments.

These are just a few examples of how air compressors are utilized in shipbuilding and maritime applications. Compressed air’s versatility, reliability, and convenience make it an indispensable energy source for various tasks and systems in the maritime industry.

air compressor

What is the role of air compressors in manufacturing and industrial processes?

Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings:

1. Pneumatic Tools and Equipment:

Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations.

2. Automation and Control Systems:

Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes.

3. Air Blowing and Cleaning:

Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations.

4. Air Separation and Gas Generation:

Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging.

5. HVAC Systems:

Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications.

6. Air Compression for Storage and Transport:

Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems.

7. Process Instrumentation:

Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes.

8. Material Handling and Pneumatic Conveying:

In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer.

Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.

air compressor

Can air compressors be used for automotive applications?

Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:

1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.

2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.

3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.

4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.

5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.

6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.

7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.

When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.

Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.

China factory Permanent Magnet Synchronous Motor (PMSM) Variable Frequency Converter Drive Pm VSD Inverter Direct Driven Double Screw Air Compressor with Affordable Price   portable air compressorChina factory Permanent Magnet Synchronous Motor (PMSM) Variable Frequency Converter Drive Pm VSD Inverter Direct Driven Double Screw Air Compressor with Affordable Price   portable air compressor
editor by CX 2024-03-27

China OEM CZPT Grey Color an Ie3 Motor 45kw/60HP Working Power Direct Drive Screw Air Compressor with High Quality with high quality

Product Description

CZPT Grey Coloration An IE3 Motor 45kw/60HP Operating Electricity Direct Generate Screw Air Compressor with Substantial Quality

Merchandise Description

Outfitted with an IE3 motor, the direct push rotary screw air compressor is made up of a higher-accuracy screw and higher-good quality casting, with a extensive variable selection of parameters.

Product Parameters




Business Profile


Q1: What ‘s your factory handle
A2: Our organization is found in NO.88 CZPT Highway,HangZhou ,ZheJiang ,China

Q2: How long is our supply
A2: Our common delivery time is thirty-40 days right after affirmation purchase & getting recipets for standard compressors, for the other non normal requirement will be mentioned case by case.

Q3: Can you accept OEM orders? 
A3: Yes, with professional style staff, OEM orders are very welcome.

what to see in an air compressor

If you need to get an air compressor, you ought to know what to seem for. The sorts of air compressors on the market are labeled according to their CFM ranking, security devices, and pumps. There are many variations in between lubricated and oil-free of charge air compressors that you ought to know ahead of purchasing. To greater understand the difference in between these sorts of air compressors, study on. This post will guide you through these distinctions.


If you are searching for a high quality air compressor, you have come to the right location. A good air compressor pump will provide high stress for everything from tires to boats and far more. There are hundreds of distinct versions to choose from, and the fantastic thing about buying a single from a Chinese company is that they have so numerous options. More importantly, Chinese producers can customise air gear this sort of as air compressors at low rates.
A good high quality air pump won’t split very easily, but you’ll be capable to use it for a long time. Deciding on a high-quality pump will help you avoid numerous hassles on the highway, these kinds of as unplanned downtime and installation fees. Plus, a pump from the identical manufacturer as your air compressor is your greatest wager to make certain optimum functionality. Outlined under are some tips for locating a good quality pump for your air compressor.
The air compressor is an crucial but unremarkable creation. With no them, our lives would be fully various. Without a pump, we cannot get scorching h2o from central heating, nor can we get heat from the fridge. We are unable to inflate bicycle tires, and we cannot refuel autos. Pumps are vital to all kinds of devices. So why is it essential to pick the right merchandise? The reply might shock you.
Various sorts of pumps are utilized for various applications. Positive displacement pumps go a set volume of fluid and immediate it to a drain. This design makes certain constant movement at a constant velocity regardless of discharge force. Centrifugal pumps function differently. The impeller accelerates the fluid, changing the enter energy into kinetic vitality. This variety of pump is most generally used in mines, air conditioning, industrial crops, and flood control.

basic safety equipment

There are several basic safety characteristics you must check out when utilizing an air compressor. First, examine the connection of the air filter to the air. If they arrive free, elements may different and trigger damage. Another essential protection feature is the shut-off valve. When functioning near compressed air, the shut-off valve should be inside easy achieve and visibility. Relocating parts and other equipment should be safeguarded with protective addresses. Check out protection valve and change damaged parts.
Rupture discs are copper discs located on the air cooler. When the air force exceeds a specified limit, it bursts. Fusible plugs have supplies that soften at substantial temperatures. The compressor need to have a lubricating oil pressure alarm and reduce off the excursion sign. If these two security gadgets fail, the compressor need to be stopped quickly. The rupture disc need to be inspected at least weekly to ensure it does not rupture underneath force.
If the strain degree is way too high, and overcurrent security system cuts energy to the motor. It also immediately shuts off the compressor when the hose ruptures or the air volume exceeds a preset stage. The system must be put in on the air compressor to avert accidents. Its job is to safeguard the operator from harm. If staff do not follow these security actions, they could result in gear hurt.
To make certain protection when functioning the air compressor, security eyeglasses and gloves need to be worn. Pressurized air can trigger eye damage, and crash goggles can give a barrier to prevent this. Moreover, the self-retracting cord helps prevent journey hazards and reinforces extra twine. You should also preserve your hands and human body away from the air nozzle. This will prevent you from getting sprayed with compressed air.

CFM Score

An air compressor’s PSI and CFM scores reveal the stress and quantity it can deliver. PSI stands for lbs . for each sq. inch and actions the force and pressure contained in a single sq. inch of air. These two indicators are equally critical when picking an air compressor. If you require a great deal of compressed air for a distinct application, you will require a increased psi compressor. Similarly, if you are using compressed air in a smaller application, a minimal cfm compressor will not supply sufficient energy to meet up with your demands.
When comparing diverse air compressors, be confident to pay out shut consideration to horsepower and CFM rankings. Although compressor electrical power is essential for some jobs, it is not the most crucial facet. The CFM ranking of an air compressor will figure out how big a venture it can manage and how long it will take to cost. Make positive you comprehend the CFM and PSI rankings of your foreseeable future compressors, as not understanding these critical figures can frustrate you and travel up costs.
In standard, it is ideal to choose an air compressor with a CFM score higher than the size of the air resource. This will make sure that the air compressor has ample force to perform multiple instruments proficiently at the identical time. Even though smaller CFM scores may be enough for scaled-down projects, greater equipment this kind of as drills need a good deal of air. Consequently, the higher the CFM, the larger and much more potent the tool.
Once you realize the CFM of an air compressor, you can start searching for the appropriate instrument. You can verify the CFM rating of your air compressor on the internet by commenting beneath. If you are not positive about the dimension of your air resource, you can always acquire a next air compressor. This is a excellent way to double the CFM of your air compressor! You are going to have much more air to do a lot more operate, and your compressor will last more time.

Deficiency of oil and lubrication

Oil-free of charge air compressors have a smaller footprint and call for considerably less maintenance than oil-lubricated air compressors. Though oil-lubricated air compressors are much more expensive and heavier than oil-totally free air compressors, they are also best for stationary use. The positive aspects of oil-free of charge air compressors consist of increased sturdiness and decrease maintenance costs. The benefits and drawbacks of each and every type are discussed below.
Oil-totally free air compressors are generally quieter than oil-lubricated air compressors. Nonetheless, you may possibly still encounter some sounds although making use of it. To avoid this, you should choose a silent intake compressor. Nevertheless, if you work following to a noisy compressor, you must get a muffler, an aftermarket filter that reduces compressor sound.
If you want to use the air compressor for a prolonged time, the oil-cost-free model is not the correct decision. Its Teflon coating wears off in excess of time, specifically at intense temperatures. Moreover, oil-cost-free air compressors have a huge number of transferring components that need regular maintenance, while oil-filled air compressors are wonderful for these who don’t want to commit in additional parts.
Yet another key big difference amongst oil-totally free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors need standard lubrication whilst oil-free air compressors are pre-lubricated. They have much less elements and are more affordable. Oil-totally free air compressors are lighter than oil-lubricated air compressors. In addition to becoming much more cost-effective, oil-totally free air compressors are more strong and resilient.
Although oil-filled air compressors are more successful and resilient, they produce a great deal of warmth. Nevertheless, they are also far more costly and require standard oil adjustments. Moreover, they are difficult to transportation. They also need to be completely installed. These air compressors are also not transportable and require a set location. So, think about your wants just before deciding which sort is best for you. When you’re choosing an air compressor for your company, be certain to shop all around.

sound stage

If you are questioning what the sounds amount of an air compressor is, the reply is dependent on your certain equipment and operating setting conditions. Typically, air compressors make forty to 90 decibels of noise. Even though the decrease the decibel level, the quieter the compressor will be. Greater, much more effective air compressors produce increased noise amounts than their tiny brothers. But no matter how big the air compressors are, it truly is a great idea to wear hearing defense while operating all around them.
When purchasing a new air compressor, the sound level of the air compressor must be regarded as. Although this could appear like a little issue, there are in fact a great deal of versions on these noisy machines. The most widespread sort of air compressor is the reciprocating piston pump. This design utilizes pistons comparable to an motor to rotate within a chamber. The piston moves quickly and traps air proportional to its measurement. One-piston air compressors are normally noisier than twin-piston designs, also acknowledged as twin cylinders.
But even if you have the suitable tools to protect your hearing, it’s nevertheless essential to know the noise degree of an air compressor. Even if the sound is not right away hazardous, it can still cause short term or long lasting hearing loss. This situation is referred to as noise-induced hearing loss, and an air compressor with a sound level of eighty or greater can lead to long lasting listening to harm. You can keep away from potential hurt to your hearing and stop mishaps by just having to pay interest to the sound level of your air compressor.
Air compressors are inherently noisy, but if you just take methods to reduce their sounds amounts, you can minimize disruption to neighbors and co-staff. For instance, putting in a seem enclosure in your perform location can avoid your air compressor from creating as considerably noise as before. Depending on your workspace, you can also try out setting up a extended air hose, which will minimize audio ranges by up to twenty five%.
China OEM CZPT Grey Color an Ie3 Motor 45kw/60HP Working Power Direct Drive Screw Air Compressor with High Quality     with high qualityChina OEM CZPT Grey Color an Ie3 Motor 45kw/60HP Working Power Direct Drive Screw Air Compressor with High Quality     with high quality