Tag Archives: screw type electric

China OEM 45kw/60HP Industrial AC Electric Stationary Germany Ghh Screw Air End VSD CHINAMFG Air Cooled Belt Driven Rotary Type Screw Air Compressor with Inverter with Hot selling

Product Description

Product Description

ZIQI CHINAMFG Screw Air Compressor Advantages:

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

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

Technical Parameter

Model Air pressure Max air displacement  Motor power transmission dimension Weight Noise Outlet
cooling type
mpa bar(e)  psi(g)  m3/min  cfm  hp  kw  belt drive 
&
air cooling
L(mm) W(mm) H(mm) Kgs dB(A) mm
GA-3.7A 0.7 7 102 0.55 19 5 3.7  680  660  780  220 60±2  20
0.8 8 116 0.45 16
1 10 145 0.35 12
GA-5.5A 0.7 7 102 0.8 28 7 5.5 680 660 780 230 61±2 20
0.8 8 116 0.7 25
1 10 145 0.6 21
1.3 13 189 0.5 18
GAS-7.5A VFC 0.7 7 102 1.3 46 10 7.5 950 650 915 270 62±2 20
0.8 8 116 1.2 42
1 10 145 1.1 39
1.3 13 189 0.9 32
GAS-11A VFC 0.7 7 102 1.8 64 15 11 950 650 915 280 63±2 20
0.8 8 116 1.7 60
1 10 145 1.5 53
1.3 13 189 1.2 42
GAS-15A VFC 0.7 7 102 2.7 95 20 15 1260 850 1220 540 66±2 25
0.8 8 116 2.5 88
1 10 145 2.3 81
1.3 13 189 2 71
GAS-18.5A VFC 0.7 7 102 3.2 113 25 18.5 1260 850 1220 550 67±2 25
0.8 8 116 3 106
1 10 145 2.8 99
1.3 13 189 2.4 85
GAS-22A VFC 0.7 7 102 3.8 134 30 22 1260 850 1220 560 67±2 25
0.8 8 116 3.6 127
1 10 145 3.2 113
1.3 13 189 2.8 99
GAS-30A VFC 0.7 7 102 5.7 201 40 30 1500 970 1375 780 67±2 40
0.8 8 116 5.5 194
1 10 145 5 177
1.3 13 189 4.5 159
GAS-37A VFC 0.7 7 102 6.8 240 50 37 1500 970 1375 800 68±2 40
0.8 8 116 6.31 222
1 10 145 5.7 201
1.3 13 189 5 177
GAS-45A VFC 0.7 7 102 7.9 279 60 45 1500 970 1375 820 69±2 40
0.8 8 116 7.4 261
1 10 145 6.9 244
1.3 13 189 6.1 215
GAS-55A VFC 0.7 7 102 10.9 385 75 55 direct drive &air cooling or water cooling 2150 1326 1766 1550 69±2 50
0.8 8 116 10.4 367
1 10 145 9.4 332
1.3 13 189 8.6 304
GAS-75A VFC 0.7 7 102 14.5 512 100 75 2150 1326 1766 1600 70±2 50
0.8 8 116 13.8 487
1 10 145 12.6 445
1.3 13 189 11.2 395
GAS-90A VFC 0.7 7 102 17 600 120 90 2545 1450 1900 2500 75±2 65
0.8 8 116 16.5 583
1 10 145 15.2 537
1.3 13 189 14 494

*For other requirements,please contact the salesman.

Company Information

Packaging & Shipping

FAQ

 

Are you manufacturer?
ZIQI: Yes,we are professional air compressor manufacturer over 10 years and our factory located in ZheJiang .
How long is your air compressor warranty?
ZIQI: For 1 year.
Do you provide After- sales service parts?
ZIQI: Of course, We could provide easy- consumable spares.
How long could your air compressor be used?
ZIQI: Generally, more than 10 years.
How about your price?
ZIQI: Based on high quality, Our price is very competitive in this market all over the world.
How about your customer service?
ZIQI: For email, we could reply our customers’ emails within 2 hours.
Do you support OEM?
ZIQI: YES, and we also provide multiple models to select.

How to get quicker quotation?

When you send us inquiry, please confirm below information at the same time:
* What is the air displacement (m3/min,cfm/min)?
* What is the air pressure (mpa,bar,psi)?
* What is the voltage in your factory (v/p/Hz)?
* It is ok if you need air tank, air dryer and filters.
This information is helpful for us to check suitable equipment solution and quotation quickly.

 

Hot Products

VSD Oil-Free Screw Air Compressor Combined Screw Air Compressor Two Stage Screw Air Compressor

 

Contact

Bob Cui | Overseas Sale Manager

ZIQI Compressor(ZheJiang )Co.,Ltd

Add:No.280,Wangwei West Rd.Fengjing Industrial Park,Xihu (West Lake) Dis.n Dist.,ZheJiang ,CN.

 

/* 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: Online Support
Warranty: Online Support
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

|

air compressor

Can Gas Air Compressors Be Used in Construction Projects?

Gas air compressors are widely used in construction projects due to their portability, versatility, and ability to provide the necessary compressed air for various applications. They are an essential tool in the construction industry, enabling the efficient and effective operation of pneumatic tools and equipment. Here’s a detailed explanation of how gas air compressors are used in construction projects:

1. Powering Pneumatic Tools:

Gas air compressors are commonly used to power a wide range of pneumatic tools on construction sites. These tools include jackhammers, nail guns, impact wrenches, concrete breakers, air drills, sanders, grinders, and paint sprayers. The compressed air generated by the gas air compressor provides the necessary force and power for efficient operation of these tools, enabling tasks such as concrete demolition, fastening, surface preparation, and finishing.

2. Air Blow and Cleaning Operations:

In construction projects, there is often a need to clean debris, dust, and dirt from work areas, equipment, and surfaces. Gas air compressors are used to generate high-pressure air for air blow and cleaning operations. This helps maintain cleanliness, remove loose materials, and prepare surfaces for further work, such as painting or coating.

3. Operating Pneumatic Systems:

Gas air compressors are employed to operate various pneumatic systems in construction projects. These systems include pneumatic control devices, pneumatic cylinders, and pneumatic actuators. Compressed air from the gas air compressor is used to control the movement of equipment, such as gates, doors, and barriers, as well as to operate pneumatic lifts, hoists, and other lifting mechanisms.

4. Concrete Spraying and Shotcreting:

Gas air compressors are utilized in concrete spraying and shotcreting applications. Compressed air is used to propel the concrete mixture through a nozzle at high velocity, ensuring proper adhesion and distribution on surfaces. This technique is commonly employed in applications such as tunnel construction, slope stabilization, and repair of concrete structures.

5. Sandblasting and Surface Preparation:

In construction projects that require surface preparation, such as removing old paint, rust, or coatings, gas air compressors are often used in conjunction with sandblasting equipment. Compressed air powers the sandblasting process, propelling abrasive materials such as sand or grit onto the surface to achieve effective cleaning and preparation before applying new coatings or finishes.

6. Tire Inflation and Equipment Maintenance:

Gas air compressors are utilized for tire inflation and equipment maintenance on construction sites. They provide compressed air for inflating and maintaining proper tire pressure in construction vehicles and equipment. Additionally, gas air compressors are used for general equipment maintenance, such as cleaning, lubrication, and powering pneumatic tools for repair and maintenance tasks.

7. Portable and Remote Operations:

Gas air compressors are particularly beneficial in construction projects where electricity may not be readily available or feasible. Portable gas air compressors provide the flexibility to operate in remote locations, allowing construction crews to utilize pneumatic tools and equipment without relying on a fixed power source.

Gas air compressors are an integral part of construction projects, facilitating a wide range of tasks and enhancing productivity. Their ability to power pneumatic tools, operate pneumatic systems, and provide compressed air for various applications makes them essential equipment in the construction industry.

air compressor

Can Gas Air Compressors Be Used in Agriculture?

Yes, gas air compressors can be used in various agricultural applications. Here’s a detailed explanation:

1. Pneumatic Tools and Equipment:

Gas air compressors can power a wide range of pneumatic tools and equipment used in agriculture. These tools include pneumatic drills, impact wrenches, nail guns, staplers, and pneumatic pumps. Gas air compressors provide the necessary compressed air to operate these tools, making various tasks more efficient and convenient on the farm.

2. Irrigation Systems:

Gas air compressors can be used to power irrigation systems in agriculture. They can supply compressed air to operate pneumatic valves, which control the flow of water in irrigation networks. Gas air compressors ensure reliable and efficient operation of irrigation systems, facilitating the distribution of water to crops in a controlled manner.

3. Grain Handling and Storage:

Air compressors play a vital role in grain handling and storage facilities. They are used to power aeration systems that provide airflow to grains stored in silos or bins. Aeration helps control the temperature and moisture levels, preventing spoilage and maintaining grain quality. Gas air compressors provide the airflow necessary for effective aeration in grain storage operations.

4. Cleaning and Maintenance:

In agriculture, gas air compressors are commonly used for cleaning and maintenance tasks. They can power air blowers or air guns to remove dust, debris, or chaff from machinery, equipment, or storage areas. Gas air compressors provide a high-pressure stream of compressed air, facilitating efficient cleaning and maintenance operations.

5. Livestock Operations:

Gas air compressors find applications in livestock operations as well. They can power pneumatic equipment used for animal care, such as pneumatic nail guns for building or repairing livestock enclosures, pneumatic pumps for water distribution, or pneumatic tools for general maintenance tasks.

6. Portable and Versatile:

Gas air compressors are often portable and can be easily transported around the farm, allowing flexibility in agricultural operations. Their versatility makes them suitable for various tasks, from powering tools and equipment in the field to providing compressed air for maintenance or cleaning in different farm locations.

7. Remote Locations:

In agricultural settings where access to electricity may be limited, gas air compressors offer a reliable alternative. They can be powered by gasoline or diesel engines, providing compressed air even in remote areas without electrical infrastructure.

8. Considerations:

When using gas air compressors in agriculture, it is essential to consider factors such as compressor size, capacity, and maintenance requirements. Selecting the right compressor based on the specific needs of the agricultural applications ensures optimal performance and efficiency.

In summary, gas air compressors have various applications in agriculture. They can power pneumatic tools and equipment, operate irrigation systems, facilitate grain handling and storage, assist in cleaning and maintenance tasks, support livestock operations, and offer portability and versatility. Gas air compressors contribute to increased efficiency, convenience, and productivity in agricultural operations.

air compressor

Are There Different Types of Gas Air Compressors Available?

Yes, there are different types of gas air compressors available, each designed to suit specific applications and requirements. These different types vary in terms of design, power source, configuration, and intended use. Here’s a detailed explanation of the various types of gas air compressors:

1. Reciprocating Gas Air Compressors:

Reciprocating gas air compressors, also known as piston compressors, use a reciprocating motion of one or more pistons to compress the air. These compressors are commonly used for small to medium-scale applications and are available in both single-stage and two-stage configurations. Single-stage compressors compress the air in a single stroke, while two-stage compressors use an additional cylinder for further compression, resulting in higher pressures.

2. Rotary Screw Gas Air Compressors:

Rotary screw gas air compressors utilize two interlocking helical screws to compress the air. These compressors are known for their continuous and efficient operation, making them suitable for demanding industrial applications. They are often used in industries such as manufacturing, construction, and automotive where a constant supply of compressed air is required.

3. Rotary Vane Gas Air Compressors:

Rotary vane gas air compressors use a rotor with sliding vanes to compress the air. As the rotor rotates, the vanes slide in and out, creating compression chambers that compress the air. These compressors are compact, reliable, and often used for smaller-scale applications or in situations where space is limited.

4. Centrifugal Gas Air Compressors:

Centrifugal gas air compressors operate by accelerating the air using a high-speed impeller. The accelerated air is then redirected into a diffuser, which converts the velocity energy into pressure energy. These compressors are commonly used for large-scale applications requiring high volumes of compressed air, such as in power plants, refineries, or chemical processing industries.

5. Oil-Free Gas Air Compressors:

Oil-free gas air compressors are designed to provide clean, oil-free compressed air. They feature special sealing mechanisms and materials to prevent oil contamination in the compressed air. These compressors are commonly used in industries where oil-free air is essential, such as food and beverage processing, pharmaceuticals, electronics manufacturing, and painting applications.

6. Portable Gas Air Compressors:

Portable gas air compressors are specifically designed for mobility and ease of transportation. These compressors often feature wheels, handles, or trailers for convenient movement. They are commonly used in construction sites, remote job locations, outdoor events, or other situations where compressed air is needed at different locations.

7. High-Pressure Gas Air Compressors:

High-pressure gas air compressors are designed to generate compressed air at elevated pressures. These compressors are used in applications that require air pressure higher than the standard range, such as in diving operations, breathing air systems, or specialized industrial processes.

8. Biogas Air Compressors:

Biogas air compressors are specifically designed to compress biogas, which is generated from the decomposition of organic matter. These compressors are used in biogas production facilities, landfills, wastewater treatment plants, or agricultural operations where biogas is produced and utilized as an energy source.

These are just a few examples of the different types of gas air compressors available. Each type has its own advantages and is suitable for specific applications based on factors such as required airflow, pressure, mobility, oil-free operation, and environmental considerations. It’s important to choose the appropriate type of gas air compressor based on the specific needs of the application to ensure optimal performance and efficiency.

China OEM 45kw/60HP Industrial AC Electric Stationary Germany Ghh Screw Air End VSD CHINAMFG Air Cooled Belt Driven Rotary Type Screw Air Compressor with Inverter   with Hot sellingChina OEM 45kw/60HP Industrial AC Electric Stationary Germany Ghh Screw Air End VSD CHINAMFG Air Cooled Belt Driven Rotary Type Screw Air Compressor with Inverter   with Hot selling
editor by CX 2024-05-09

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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
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
Cooled
Direct Driven 79±2 G4” G4” 53 3100*1850*2100
LSW-250W PM-10 10 145 14.5~36.2

Company Profile

FAQ

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
Samples:
US$ 70517/unit
1 unit(Min.Order)

|
Request Sample

Customization:
Available

|

air-compressor

what to see in an air compressor

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

Pump

If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying 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.
air-compressor

Lack of oil and lubrication

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

noise level

If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them.
When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders.
But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor.
Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
China 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 Fix Speed Screw Air Compressor 11kw 220V 60Hz Screw Type Fixed Speed Coupling Driven Electric Air Compressor supplier

Merchandise Description

HangZhou CZPT Maritime Gear Co., Ltd. covers an region of 24600 sq. meters, positioned in jiangyan Financial Advancement Zone, fumin Pioneer Park, with comprehensive take a look at bench and huge lifting products check bench, is specialized in the manufacturing of Marine security existence-conserving gear enterprises.

The company has the major engineering, rigorous administration, fantastic gear, strictly by the China Classification Modern society CCSISO9001:2008 high quality administration method certification to make certain, the principal production: Maritime lifeboat/lifestyle raft landing equipment, gravity inverted growth davit, free of charge landing davit, gangway winch, lifeboat/rescue boat winch, Maritime low, medium and large pressure air compressor and all types of fully enclosed/open up lifeboat and rescue boat.

HangZhou CZPT Maritime Equipment Co., Ltd. is the production of maritime rescue gear skilled business, major merchandise are the daily life boat winch, the rescue boat winch, totally free drop kind lifeboat launching gadget, gravity pour davit arm sort, one arm liferaft lowered device, single arm boat/raft hanger and cranes, electric, pneumatic) ladder winch and Maritime air compressor and a variety of varieties of kind a total established of lifeboat.

Company society: To build the globe weighty market carrier

— Corporate philosophy

Business tenet: synchronizing with the entire world and consumers

Company eyesight: stringent management, sustainable development and satisfactory service

Business values: The pursuit of good quality The pursuit of Haihao

Enterprise spirit: Honesty, diligence and earnest

Haihao ships are interwoven with glory and aspiration, hardships and issues, and will carry on to burst out amazing brilliance in ongoing growth and wrestle

Haihao Maritime respects every employee’s challenging operate, results in a level taking part in discipline for workers, and offers total play to their likely

 

 

Q: What are the accessible delivery methods?

A: Port area: HangZhou or ZheJiang , China Transport to: Worldwide Transport approach: by sea, by air, by express Estimated shipping dates depend on particular order list, shipping and delivery service selected and receipt of cleared payment. Shipping and delivery time may vary.

 

Q: What payment approaches are supported?

A: Payment: By T/T, Western Union, Income Gram for samples 100% with the order, for manufacturing,30% compensated for deposit by ahead of production arrangement, the equilibrium to be paid prior to cargo. Negotiation is acknowledged.

 

Q: How to manage the good quality of CZPT Goods?

A: Merchandise Content: Strictly control the content utilised, make positive they can satisfy international requested specifications, and sustain lengthy working daily life.
Semi-finished goods inspection: We analyze the proudcts100% ahead of completed. This kind of as Visual Inspection, Thread tests, Leak Tests, and so on.
Production line take a look at: Our engineers will examine devices and traces at mounted period.
Completed Merchandise Inspection: We do the take a look at in accordance to ISO19879-2005, leakage check, proof test, re-use of factors, burst examination, cyclic endurance examination, vibration examination, and so forth.
QCTeam:A QC crew with much more than 10 expert and specialized personnel. To guarantee one hundred% products examining.

 

Q: How extended is the solution day of shipping possibly?

A: The diverse solution, as well as the diferent operate amount can influence the date of delivery, but in ordinary situation merchandise date of supply about 30 times. Most of items have stock, get in touch with us at any time to get a lot more info.

 

Q: How to Personalized-made(OEM/ODM)?

A: If you have a new solution drawing or a sample, make sure you send to us, and we can custom made-produced the product as your required. We wllalso provide our specialist advices of the items to make the design and style to be more realized & increase the efficiency.

 

Q: How about the mini order amount?

A: We don’t have rigid requirments on most objects, thanks to we have stock. More data can deliver us the enquiry record, we verify and reply you. For personalized-made, MoQ will be adviced thanks to the distinct solution.

US $3,000-30,000
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: After-Sales
Warranty: After-Sales
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

###

Samples:
US$ 5000/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
US $3,000-30,000
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: After-Sales
Warranty: After-Sales
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

###

Samples:
US$ 5000/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

A Buyer’s Guide to Air Compressor Types

There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with two pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
air-compressor

Single-stage air compressors

A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places.
These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money.
Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs.
A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life.
Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the two types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application.
While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last nine to eighteen months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty.
Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
air-compressor

Rotary vane compressors with low-noise models

If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality.
This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating.
Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for two to five diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
air-compressor

Rotary vane compressors with two pistons

The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones.
The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below.
The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose one with the lowest price tag. You can also opt for rotary vane compressors that are oil-free.
Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young.
These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.

China Fix Speed Screw Air Compressor 11kw 220V 60Hz Screw Type Fixed Speed Coupling Driven Electric Air Compressor     supplier China Fix Speed Screw Air Compressor 11kw 220V 60Hz Screw Type Fixed Speed Coupling Driven Electric Air Compressor     supplier
editor by czh 2023-01-26

China factory 185 Kw 250 HP CZPT Saving 7 Bar 8 Bar 10 Bar   Electric Stationary Air/Water Cooling Direct Drive Oil Less Rotary Single Screw Type Pm VSD Air Compressor with high quality

Item Description

two~40bar Immediate-DRIVE H2o-INJECTED OIL-FREE SCREW AIR COMPRESSOR (PM VSD)
 

1. Low temperature implies a lot more performance
With an extremely lower working temperature of much less than 60ºC, around isothermal compression is attained. 
The superior cooling functionality of drinking water eliminates the warmth and gives far more air per kW of electricity.
This also removes the need for an inside cooler and aftercooler, the CZPT power usage lowers strain drop to a minimum.

2. Slicing the maintenance value
Spare elements only need to have air filter elements and h2o filter components
Low running temperature guarantees the prolonged service lifestyle of the screw air end, steering clear of expensive servicing expenses for the screw rotor.
Reduced temperature decreases the anxiety on other elements guaranteeing extended daily life.

3. Keeping away from the costs of extra CZPT to fight force fall
These costs, even though not clear at the time of buy, are quite high and lead considerably to the total price of possession.

4. No Gearbox No require for CZPT oil lubrication.

5. Basic structure 
Less transferring areas than the dry oil-free screw air compressor, which means there is much less to go improper, 
although stability bearing masses lengthen the compression component support daily life for reduced-value operation. 

 

Item Parameters

 

Solution Description

 

Firm Profile

 

 

Scorching Sale Merchandise

 

 

 

           2~10bar Oil-injected                        7~16bar All-in-1                       Small One-section
       Screw Air Compressor                   Screw Air Compressor                 Screw Air Compressor  

 

         2~40bar a hundred% Oil-free                   8~12bar 100% Oil-free                Diesel Engine Moveable
       Screw Air Compressor                   Scroll Air Compressor                 Screw Air Compressor  

 

 

Primary Merchandise

 

What we can source:

* Oil-injected Screw Air Compressor (2~sixteen bar)
* All-in-1 Screw Air Compressor with Tank, Dryer, and Filters (7~sixteen bar)
* One-period Tiny Screw Air Compressor for House use (8~ten bar)
* H2o-injected Oil-free Screw Air Compressor (2~forty bar)
* Oil-free of charge Scroll Air Compressor (8~12 bar)
* Diesel&Electric Engine Transportable Screw Air Compressor (8~30 bar)
* Air Dryer, Air tank, Filters, and other Spare parts

 

Decide on an Air Compressor for Your Organization

There are several factors to contemplate when deciding on an air compressor for your organization. 1 element to contemplate is the type of compressor you are looking for, which may possibly consist of one-stage, lower sound, and constructive displacement. Hope this write-up helps you make the appropriate choice. Soon after all, your enterprise success will rely on this system! Let us just take a closer appear at these elements. Also, consider what compressor producers say about their goods.
air-compressor

Good displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This boosts the strain at which the gas can be pumped at prices that can’t be pumped by means of the outlet at reduce pressures at increased mass flow charges. These types of compressors are obtainable in solitary-performing and double-acting configurations. They are categorized by the variety of cylinders.
There are two various varieties of air compressors: reciprocating air compressors and screw compressors. Equally are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air stress builds up inside of the compressor housing, growing the possible strength of the compressed air. Screw air compressors are the most popular optimistic displacement air compressors, which can be both one-phase screw-blade air compressors or multi-phase screw-blade oil-immersed screw air compressors.
Good displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of moments the chamber was refilled and emptied was utilised to estimate the total flow. However, positive displacement movement meters are inclined to leaks, decreasing the accuracy of the estimates. If a leak occurs, it can trigger bogus readings and harm the compressor. Nonetheless, leaks in optimistic displacement air compressors can minimize strain.
The most frequent sorts of constructive displacement air compressors are screw, reciprocating, and vane. Rotary good displacement air compressors are also offered as effectively as a lot of other air compressors. Optimistic displacement air compressors are most commonly utilized in large manufacturing amenities. If you are thinking about an air compressor for professional or industrial apps, it is critical to understand how the parts of the unit function. You should go through the details underneath to learn more prior to selecting which software is best for you.
Good displacement air compressors use a piston to power air into a chamber, compressing the air in the method. The piston moves in the opposite path, thus reducing the quantity of the chamber. When the sum of air in the chamber reaches its optimum worth, the valve opens, making it possible for it to escape at greater force. Constructive displacement air compressors are normally less effective than centrifugal compressors. Even so, they are nevertheless an excellent decision for a range of programs.
air-compressor

Solitary-stage

The discharge force of the single-stage air compressor is employed to manage the operation of the compressor. Appropriately developed load/unload controls enable the air compressor to function at its most successful stage although minimizing anxiety on the major engine bearings. One-stage air compressors can method variable speed effectiveness with suitable storage capacity. Nevertheless, improper storage can result in untimely bearing wear on the main unit. If this is the case, a solitary-stage air compressor may possibly not be excellent.
A solitary-stage air compressor has only one particular cylinder, which implies one particular stroke is necessary to move air from 1 cylinder to yet another. Strain is measured in cubic ft for each moment or CFM. Tank dimension is also crucial as a massive solitary-phase air compressor could be necessary to operate a number of air tools. Single-stage air compressors can be employed in a range of purposes and can previous for years.
For the most frequent utilizes, solitary-stage air compressors are the most sensible selection. These units operate with most hand equipment, from hammers to grinders. One-stage air compressors are lightweight and straightforward to go. Nonetheless, two-phase air compressors supply a lot more CFM, producing them a better selection for industrial or industrial use. Nonetheless, two-phase compressors are not suited for non-public use. For that reason, if your principal function is Do it yourself and craft initiatives, it is far better to choose a single-phase air compressor.
In comparison with two-phase air compressors, single-phase screw air compressors are more affordable. They arrive from a range of companies and range in electrical power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective answer for a variety of air compressor demands. They supply flexibility and a number of control strategies, making them an exceptional choice for a lot of different applications. For that reason, when deciding on an air compressor for your business, pick the 1 with the most ideal features.
One-stage air compressors are the most reasonably priced and effortless-to-use air compressors for small to medium jobs. They also have greater compression ratios. The compression ratio is the ratio of absolute discharge force to absolute inlet force. When calculating the ratio, it normally takes into account atmospheric pressure and gauge stress. The compression ratio pushes the surface area of ​​the rotor, which will increase the thrust load.
Solitary-stage air compressors are smaller and easier to transportation than two-stage units. Solitary-phase air compressors have one particular air ingestion, and two-phase air compressors have two air intakes. The difference between one-stage and two-phase air compressors mainly depends on the amount of moments the air is compressed. A one-phase air compressor compresses the air after, even though a dual-phase air compressor compresses the identical quantity of air two times.
air-compressor

lower noise

Low sound air compressors are best for a selection of programs. Although no air compressor is totally silent, some versions are considerably quieter than others. For the Hitachi EC28M moveable compressor, the noise degree is fifty nine decibels. The compressor features metal rollers that shield the interior parts and give it a modern, modern day search. It also has a 1-gallon fuel tank and a 50 %-horsepower drive.
Sounds from air compressors can be distracting and decrease productivity. It is important to choose reduced-noise air compressors to preserve workers healthful and content at work. Even though sounds is an regrettable element of functioning on the shop floor, minimizing it can enhance efficiency. By reducing distracting sounds, staff can concentrate on their work and converse far more effectively. That implies greater top quality operate and happier consumers. If you happen to be searching for a lower-sound air compressor, be confident to study the guidelines beneath.
Low noise air compressors are an exceptional decision for organizations of all measurements. These powerful resources can operate numerous equipment simultaneously. The two h2o tanks are produced of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with relieve. It charges far more than other air compressors, but it can take care of a lot of work successfully. CZPT Air Resources air compressors occur with a 1-12 months warranty and are hugely recommended by contractors.
Noiseless air compressors are typically much more costly than equivalent items, but they are really worth the extra value. Noiseless compressors are a excellent option for companies that want to keep away from disturbing close by men and women. For illustration, you might want to take into account a lower-noise air compressor for a dental workplace, which can not tolerate noise. Thankfully, this difficulty can be solved by relocating the compressor to a spot that is a lot more isolated from your workspace.
One particular model of reduced-sounds air compressors offers two models. The CZPT Air Instruments 2010A features a big solid aluminum can, regulating strain gauge, and two common rapid-connects. It produces 68 decibels of sound when it operates. It has a massive 8-gallon fuel tank capability and has wheels and handles for easy transportation. Its potent engine produces a lower noise amount of sixty eight decibels.
Another well-known minimal sound air compressor is the Makita MAC210Q Silent Series. This design is able of generating up to seventy one.5 decibels of audio, which is the volume of air it creates at 90PSI. The MAC210Q functions a sturdy oil-free of charge pump and weighs just 36 pounds with a take care of and wheels. These compressors are simple to go and ideal for indoor function.
China factory 185 Kw 250 HP CZPT Saving 7 Bar 8 Bar ten Bar   Electric Stationary Air/H2o Cooling Direct Travel Oil Much less Rotary One Screw Sort Pm VSD Air Compressor     with high top qualityChina factory 185 Kw 250 HP CZPT Saving 7 Bar 8 Bar 10 Bar   Electric Stationary Air/Water Cooling Direct Travel Oil Significantly less Rotary Single Screw Kind Pm VSD Air Compressor     with higher good quality