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China 10 bar oil free air compressors 30kw ac 380v oil free electric compressor screw compressors oilless supplier

Relevant Industries: Accommodations, Garment Retailers, Constructing Material Stores, Production Plant, Machinery Mend Shops, Food & Beverage Manufacturing unit, Farms, Restaurant, Property Use, Retail, Foodstuff Store, Printing Shops, Construction works , Energy & Mining, SWP-D CZPT Cardan shaft coupling Foods & Beverage Retailers, Advertising and marketing Organization
Showroom Area: Egypt, Canada, Turkey, United States
Situation: New
Type: Screw
Configuration: Stationary
Electricity Source: AC Power
Lubrication Fashion: Lubricated
Mute: Yes
Model Quantity: SD-40H, 40HP Compressor 30KW
Voltage: 220V/380V/415V/fifty-60hz
Dimension(L*W*H): 1400*950*1380mm
Bodyweight: 740kg
Warranty: 1 Yr
Operating Force: 20 bar, 13 bar, 35 bar, 16 bar, twenty five bar, 30 bar, 40 bar
Air potential: 5.0m3/min 178CFM
Machinery Check Report: Provided
Video clip outgoing-inspection: Supplied
Advertising Type: New Solution 2571
Guarantee of main parts: 2 several years
Main Components: PLC, Pressure vessel, Other, established regular bike chain sprocket Engine, Gear, Motor, Pump, Bearing, Gearbox, Air-finish
Fuel Kind: Air
New layout: Weighty Obligation
New characteristics: oil cost-free
New engineering: high stress
New products: minimal sounds
New producing: Ecommerce items
New method: Long term magnet inverter
Compressor warranty: 2 several years guarantee
Solution Traits: Trending Products with High Market Likely
Highlighted Solution: Liquid crystal display
Sample Obtainable: Electronic contact display screen
Packaging Information: Export standard wooden box

ten bar oil-free of charge compressor air ac 380v oil free of charge 30kw ac air compressor ten bar oil totally free oil-totally free CZPT ten bar oil free of charge air compressors 30kw ac 380v oil totally free electric compressor screw compressors oilless reduced sound oil totally free air compressor 7.5kw Industrial compressor oil totally free Type screw oilfree air compressor 7.5kw Low noise oilfreeair compressor Industrial compressor oil free of charge 10 hp Sort screw air compressor Merchandise Introduction

30Kw screw oil free air compressor
ModelAP30WAir-stop brand nameBaosi/Hanbell
Power30kw/40HPAir-conclude warryty5 years
Pressure8bar 10barWeigh740KG
Air stream5.0m³/min 3.9m³/minSize1400*950*1380mm
ProductElectrical powerAir circulation (8 bar / 115 psi)Dimensions (H*L*W)Bodyweight
FCPMKWHPm3/minCFMCMKG
A5.fiveAPM5.five5.57.five0.thirty~.782280*eighty*a hundred and twenty320
A7.fiveAPM7.57.5100.35~1.173380*eighty*120320
A11APM1111150.54~1.7249120*75.5*113440
A15APM1515200.seventy five~2.4369120*seventy five.5*113440
A18.5APM18.518.5250.90~3.thirteen89140*ninety*127640
A22APM2222301.ten~3.70105140*ninety*127640
A30APM3030401.fifty five~5.20147150*108*a hundred thirty760
A37APM3737501.91~6.fifty184150*108*150880
A45APM4545602.50~8.30235180*136*1671050
A55APM5555753.~ten.3292180*136*1671100
APM75751003.ninety five~13.00368180*136*1671230
APM90901205.~sixteen.sixty470220*a hundred and fifty five*one hundred eighty2080
APM1101101506.~twenty.two572220*a hundred and fifty five*1802230
APM1321321756.seventy five~23.52666220*one hundred fifty five*1802360
APM1601602208.5~28.eleven796270*183*1853900
Observe: 1.5.5KW-11kw is belt travel, 15KW-350KW is immediate travel 2. “A“ stands for power frequency oil-free screw air compressor,“ APM” dp4 xl module ,5 diameter 25 rack carbide regular straight spline timing pulley resource sprocket gear slicing hobbing hob cutter stands for long lasting magnet variable frequency oil-free of charge screw air compressor. 3. Conventional voltage (380V/50Hz/3P/8bar-10bar). Can settle for non-common customization (1.5Mpa~4.0Mpa) (220V/380V/415V)(50Hz/60Hz) 4. Cooling strategies consist of air cooling and water cooling. Air-cooled by default.
Get in touch with Us On the web 24 several hoursWhatsAp: -181-6701-6615WhatsAp: -189-6700-9313WhatsAp: -137-571-6425 Certifications Exhibition & Consumer substantial force CZPT substantial stress 50kw large stress compressors large strain air compressor value 35 bar ce substantial strain air compressor substantial strain 50kw substantial force compressor CZPT CZPT higher stress air compressor substantial strain compressor air-compressor substantial stress air compressor for pet bottle

air-compressor

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only one motor, they are lightweight, compact, and easy to handle. Using one air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal one does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has one of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, four times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing one for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has one cylinder and two valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery one controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, one piston, and one air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage one is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting two output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure twenty to forty PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least forty to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as fifty percent on and twenty-five percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by one percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately four amps of power. A one-horsepower compressor would draw about twelve amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with three electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China 10 bar oil free air compressors 30kw ac 380v oil free electric compressor screw compressors oilless     supplier China 10 bar oil free air compressors 30kw ac 380v oil free electric compressor screw compressors oilless     supplier
editor by Cx 2023-05-06

China Standard 50% CZPT Saving 11kw 15kw 30kw 37kw 8/10/13/16 Bar Permanent Magnet Inverter Stationary Rotary Screw Air Compressors LG Compressor Screw Air Compressor with Best Sales

Product Description

Inner detail photos of Y-air 11kw 15kw 30kw 37kw 8/10/13/16 bar Permanent Magnet Inverter Stationary  Rotary  Screw Air Compressors
Brief Introduction:
Air end: German Technology. 30 years designed lifetime.
Motor: 100% rare earth permanent magnet motor. 
Inverter: Chinese No. 1 inverter can save 30% energy.
Warranty: 5 years for the air end, and 2 years for the whole compressor. 
Delivery time: 7-15 days. 
After-sales service:we have our professional after-sales technician to instruct the installation of the whole screw air compressor.    
Motor Power: 30kw 40HP 
Working Pressure: 7 – 16bar
Air Delivery: 3.6 – 5.3m3/min
Type of Driving: Direct Driven
Type of Cooling: Air Cooling
Noise: 68dB
Size:
1250*870*1180mm
Weight: 750kg    

Advantages 
1 . Air end with high-efficiency
2. Double Screw with low noise, Super Silenced Enclosure
3. Elegant compact design. Fully open access door to inner parts for easy service.
4. 100% Continuous duty operation. Load/No Load operation
5. High quality CE Certificate industrial electric motors. ISO,CE,UL Certificate
6. Easy to use and read LCD control panel
7. High temperature, high pressure and anti-rotation shutdown
8. Energy efficient operation
9. 5 micron, water-resistant air filtration material
10. 2 year full machine warranty,5years air end warranty.
11. Supply the machine with different working voltage according to customer’s request, 
such as:
220Volt,single phase,60hz/50hz
220Volt,3 phase,60hz / 50hz
380Volt,3phase,50hz
440Volt,3phase,50hz
380Volt,3phase,60hz

We offer free pipe and valves for installation and installation diagram

Technical Specifications of screw air compressor
Model Air Flow (m³/min) Motor Power Noise Outlet Diameter Dimension Weight
7bar 8bar 10bar 13bar kw dB inch W*D*H  (mm) kg
YV-10A 1.1 1.0 0.85 0.7 7.5 65 G1” 960*680*960 280
YV-15A 1.8 1.65 1.5 1.3 11 65 G1” 1050*830*1240 380
YV-20A 2.4 2.2 2.1 1.8 15 68 G1” 1050*830*1240 380
YV-25A 3.1 3.0 2.7 2.3 18.5 68 G1” 1200*830*1290 480
YV-30A 3.8 3.6 3.2 2.5 22 68 G1” 1200*830*1290 480
YV-40A 5.3 5.0 4.3 3.6 30 69 G11/2” 1300*1000*1540 710
YV-50A 6.6 6.2 5.7 4.6 37 69 G11/2” 1300*1000*1540 710
YV-60A 8.0 7.7 6.9 6.0 45 70 G11/2” 1500*1160*1700 990
YV-75A 10.5 9.8 8.7 7.3 55 70 G11/2” 1500*1160*1700 990
YV-100A 13.6 13.0 11.3 10.1 75 72 G2” 1700*1180*1800 1300
YV-125A 16.2 15.4 13.2 11.2 90 72 DN50 1850*1200*1900 1400
YV-150A 20.8 19.5 16.5 13.7 110 73 DN65 2250*1260*2055 1560
Remarks:
1. working ambinent temperature: -5ºC-45ºC;
2. exhausting air temperature ≤  working ambinent temperature +10ºC-15ºC;
3. starting mode: Y-△;
4. exhausting oil content: <3ppm;
5. certificate:  CE/ISO9001/ASME;
6. voltage:  380V/220V/400V/440V/415V

Porduct detail photos of Y-air 11kw 15kw 30kw 37kw 8/10/13/16 bar Permanent Magnet Inverter Stationary  
Rotary  Screw Air Compressors

QC checking of Y-air 11kw 15kw 30kw 37kw 8/10/13/16 bar Permanent Magnet Inverter Stationary  Rotary  Screw Air Compressors
We do the check of every detail and spare parts of the industrial used frequency conversion varaible speed Medium Pressure Compressor. And we will test the industrial used frequency conversion varaible speed rotary screw air compressor for 48hours before package and shipment.

F.A.Q

Q1. Why do customers choose us?
Yunshun Electric Machinery Co., Ltd. is a company specializing in screw air compressor for 18 years since 2001. Our German Standard production line helps us get the affirmation from our agents as well as end-user clients.

Q2. Are you a manufacturer or trading company?
We are a professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.

Q3. What’s your delivery time?
Generally 7-10 days, if urgent order, we can arrange, too.

Q4. How long is your air compressor warranty?
2 year for the whole machine and 5years for screw air end, except consumable spare parts.

 Q5. How long could your air compressor be used for? 
At least 10 years.

Q6. What’s payment term?
T/T, L/C, Western Union, Credit Card, and etc.

Q7. How about your customer service?
24 hours on-line service for all our clients.

Q8. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.
3. PlHangZhou for oversea after-sales supporting company.

 

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China Standard 50% CZPT Saving 11kw 15kw 30kw 37kw 8/10/13/16 Bar Permanent Magnet Inverter Stationary Rotary Screw Air Compressors LG Compressor Screw Air Compressor     with Best SalesChina Standard 50% CZPT Saving 11kw 15kw 30kw 37kw 8/10/13/16 Bar Permanent Magnet Inverter Stationary Rotary Screw Air Compressors LG Compressor Screw Air Compressor     with Best Sales