Tag Archives: 7.5kw screw air compressor

China Made in China Similar to Atlas Copco 7.5kw 11kw 22kw 37kw 45kw 75kw AC Electric Inverter VSD Direct Driven Industrial Rotary Oilless Screw Type Air Compressor lowes air compressor

Solution Description

Item Description

Design : VSD Oil Injected Screw Air Compressor 
Voltage: 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Needs
Functioning Pressure: seven~twelve bar
Mounted Motor Electricity: seven.5kw ~ 355kw
Potential: .8~64.0m3/min
Shade: Eco-friendly (tailored)
Pushed Strategy: Direct Drive
Transportation Bundle: Common Wooden Packing
Air End: Baos,Hanbell,GHH,GU,
software: Industry,Casting , Metal , Plastic , Rubber

Permanent Magnet Frequency Conversion Screw Air Compressor :
       1.Long lasting magnet motor and the compressor airend shaft integrally embedded utilizing immediate construction, more compact, the transmission effectiveness of 100%
       2.No Motor Bearing: Removes Motor Bearing Fault Details
       3.Geared up with Substantial-performance Long term Magnet Motor, Much more Strength Saving
       4.Little Motor, Normally About 1/3 of an Ordinary FM Motor Dimension, Straightforward Elimination
       5.Long term magnet synchronous motor, no decline of magnetism at 120ºC, provider daily life in excess of fifteen a long time
       6.The most current era intelligent touchscreen controller:The latest touch monitor interface permits simple and clever management of the compressor. Strain and scheduling time can be easily programmed, allowing you to instantly commence and quit the compressor to match the production time. (Configurable remote procedure and actual-time monitoring functions)

Merchandise Parameters

Model Motor Energy Working Stress Capacity Lubricated Oil Quantity
(L)
Noise
 dB(A)
Dimension (mm) Net Fat Air Outlet
kW/hp psi bar cfm m3/min L*W*H KGS
SGPM08 7.5/ten 102 seven forty two.40  1.20  10 66±2 900*640*850 130 1/2”
116 8 38.80  one.10 
a hundred forty five 10 33.50  .95 
174 12 28.30  .80 
SGPM11 11/fifteen 102 seven 58.30  one.65  18 68±2 1000*750*1571 200 3/4”
116 eight 53.00  1.50 
one hundred forty five ten forty five.90  one.30 
174 twelve 38.80  1.10 
SGPM15 15/twenty 102 seven 88.30  two.50  18 68±2 1000*750*1571 210 3/4”
116 eight 81.20  2.30 
one hundred forty five ten 74.20  2.10 
174 twelve 67.10  one.90 
SGPM18 18.5/25 102 seven 113.00  3.20  18 68±2 1100*850*1200 300 1”
116 eight a hundred and five.90  3.00 
a hundred forty five ten ninety five.30  two.70 
174 12 84.70  2.40 
SGPM22 22/thirty one hundred 7 134.20  3.80  18 68±2 1100*850*1200 300 1”
116 eight 127.10  3.60 
145 ten 113.00  three.20 
174 twelve ninety five.30  2.70 
SGPM30 30/40 102 seven 187.10  5.30  18 68±2 1100*850*1200 340 1”
116 8 176.60  five.00 
a hundred forty five 10 158.90  4.50 
174 twelve 141.20  four.00 
SGPM37 37/fifty 102 7 240.10  six.80  30 68±2 1250*a thousand*1345 430 11/2″
116 8 218.90  six.20 
one hundred forty five ten 197.70  5.60 
174 twelve 176.60  5.00 
SGPM45 45/60 102 seven 261.30  seven.40  30 72±2 1250*one thousand*1345 430 11/2″
116 8 247.20  seven.00 
145 ten 218.90  6.20 
174 12 197.70  5.60 
SGPM55 55/75 102 seven 353.10  ten.00  65 72±2 1700*1200*1630 820 2″
116 8 339.00  nine.60 
145 10 three hundred.10  8.50 
174 twelve 268.40  seven.60 
SGPM75 75/one hundred 102 7 473.20  thirteen.40  65 72±2 1700*1200*1630 950 2″
116 eight 444.90  12.60 
one hundred forty five ten 395.50  eleven.20 
174 twelve 353.10  ten.00 
SGPM90 90/a hundred and twenty 102 seven 572.00  sixteen.20  72 72±2 1700*1200*1630 950 2″
116 eight 529.70  15.00 
one hundred forty five 10 487.30  thirteen.80 
174 twelve 434.30  12.30 
SGPM110 110/a hundred and fifty 102 seven 741.50  21.00  90 72±2 2300*1470*1840 1500 DN85
116 8 699.10  19.80 
one hundred forty five ten 614.40  17.40 
174 12 522.60  fourteen.80 
SGPM132 132/a hundred seventy five 102 seven 865.10  24.50  90 75±2 2300*1470*1840 2000 DN85
116 8 819.20  23.20 
a hundred forty five ten 723.90  twenty.50 
174 12 614.40  seventeen.40 
SGPM160 160/200 102 seven 1013.40  28.70  110 75±2 2500*1470*1840 3200 DN85
116 eight 974.60  27.60 
one hundred forty five 10 868.60  24.60 
174 twelve 759.20  21.50 
SGPM185 185/250 102 seven 1129.90  32.00  110 75±2 2500*1470*1840 3200 DN85
116 eight 1073.40  thirty.40 
a hundred forty five ten 967.50  27.40 
174 twelve 875.70  24.80 
SGPM220 220/300 102 7 1468.90  forty one.6  170 75±2 3250*2100*2190 4200 DN100
116 8 1465.37  forty one.5 
a hundred forty five ten 1066.36  thirty.2 
174 12 1571.46  28.9 
SGPM250 250/350 102 7 1553.64  44.0  170 75±2 3250*2100*2190 4300 DN100
116 8 1550.11  43.9 
one hundred forty five ten 1458.30  forty one.3 
174 12 1571.46  28.9 

Company Profile

ZheJiang CZPT Smart Gear Co., Ltd. is a leading expert engineering equipment layout, producing and provider provider in China.
Our manufacturing facility is positioned in HangZhou China, close to the ”Hometown of Tunnels” Xihu (West Lake) Dis. Comprehensive Experimental Zone.

Our company has practically 200 staff, such as twenty technical study and advancement personnel, 70 right after-income provider staff, and an annual generation of far more than 500 sets of construction equipment and products.
All of the present R&D engineers have a bachelor’s diploma or over, and a lot more than 70% of them have intermediate expert titles. It is 1 of the handful of enterprises in China that is entirely equipped with unbiased research and growth, production and design and style of shotcrete manipulator. The product collection covers shotcrete manipulator, excavator, concrete pump, rock drilling rig, screw air compressors, chisel devices, sweepers, and other development machinery.
We also have a robust services team. Their professional servicing expertise and operations can resolve soon after-sales difficulties for customers and meet market needs.

Since 2009, the company’s products have successively served in many tunnel development projects these kinds of as Shendan, Lalin, Taijiao, Ganshen, Hangshaotai, Hangwen, Shenbai, Xiyan, Yukun, ZheJiang and ZheJiang , and have received unanimous praise from consumers. In 2016, 2017, 2019, 2571, became the China Railway Framework Agreement provider.
If you have any wants about construction machinery and products, you can consult us by electronic mail or phone. Welcome far more clients to create cooperation with us and develop a much better foreseeable future together

Soon after Sales Service

Before sale
Expert on the web salesman can solve compressor system problems for you.
Supply cost-free air compressor strength saving solutions to support you preserve working fees.
Following sale
On the internet professional following-revenue support On the internet skilled soon after-revenue support until the issue is solved.
Right after commissioning, the warranty is 1 calendar year or the shipping and delivery day is 16 months, which is dependent on the very first guarantee of the complete device (apart from restore consumables).
The variety of spare parts is adequate to ensure great following-income services.

FAQ

Q1: What is the rotor pace of the main motor?
A1: 2980rmp.
Q2: What is your shipping time?
A2: Typically, 5-7 times. (OEM get: fifteen days)
Q3: Can you give h2o-cooled air compressors?
A3: Yes, we can (normally air-cooled).
This autumn: What is the payment deadline?
A4: T/T, L/C, Western Union, etc. We can also settle for USD, RMB and other currencies.
Q5: Do you accept personalized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or in accordance to your demands.
Q6: What is your air compressor warranty?
A6: 1 calendar year for the complete machine (excluding consumable spare areas), complex assistance can be supplied according to your wants.
Q7: Can you settle for OEM orders?
A7: Yes, OEM orders are warmly welcome.
Q8: How about your buyer service and following-income provider?
A8: 24-hour on the internet assistance, 48-hour issue resolving dedication.
Q9: Do you have spare areas?
A9: Sure, we have.
Q10: What is the first lubricant you use on the air compressor?
A10: A complete of 46# mineral oil.

 

US $1,100-15,000
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Support
Warranty: 1 Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical

###

Customization:

###

Model : VSD Oil Injected Screw Air Compressor 
Voltage: 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure: 7~12 bar
Installed Motor Power: 7.5kw ~ 355kw
Capacity: 0.8~64.0m3/min
Color: Green (customized)
Driven Method: Direct Drive
Transport Package: Standard Wooden Packing
Air End: Baos,Hanbell,GHH,GU,
application: Industry,Casting , Metal , Plastic , Rubber

###

Model Motor Power Working Pressure Capacity Lubricated Oil Quantity
(L)
Noise
 dB(A)
Dimension (mm) Net Weight Air Outlet
kW/hp psi bar cfm m3/min L*W*H KGS
SGPM08 7.5/10 102 7 42.40  1.20  10 66±2 900*640*850 130 1/2”
116 8 38.80  1.10 
145 10 33.50  0.95 
174 12 28.30  0.80 
SGPM11 11/15 102 7 58.30  1.65  18 68±2 1000*750*1023 200 3/4”
116 8 53.00  1.50 
145 10 45.90  1.30 
174 12 38.80  1.10 
SGPM15 15/20 102 7 88.30  2.50  18 68±2 1000*750*1023 210 3/4”
116 8 81.20  2.30 
145 10 74.20  2.10 
174 12 67.10  1.90 
SGPM18 18.5/25 102 7 113.00  3.20  18 68±2 1100*850*1200 300 1”
116 8 105.90  3.00 
145 10 95.30  2.70 
174 12 84.70  2.40 
SGPM22 22/30 100 7 134.20  3.80  18 68±2 1100*850*1200 300 1”
116 8 127.10  3.60 
145 10 113.00  3.20 
174 12 95.30  2.70 
SGPM30 30/40 102 7 187.10  5.30  18 68±2 1100*850*1200 340 1”
116 8 176.60  5.00 
145 10 158.90  4.50 
174 12 141.20  4.00 
SGPM37 37/50 102 7 240.10  6.80  30 68±2 1250*1000*1345 430 11/2"
116 8 218.90  6.20 
145 10 197.70  5.60 
174 12 176.60  5.00 
SGPM45 45/60 102 7 261.30  7.40  30 72±2 1250*1000*1345 430 11/2"
116 8 247.20  7.00 
145 10 218.90  6.20 
174 12 197.70  5.60 
SGPM55 55/75 102 7 353.10  10.00  65 72±2 1700*1200*1630 820 2"
116 8 339.00  9.60 
145 10 300.10  8.50 
174 12 268.40  7.60 
SGPM75 75/100 102 7 473.20  13.40  65 72±2 1700*1200*1630 950 2"
116 8 444.90  12.60 
145 10 395.50  11.20 
174 12 353.10  10.00 
SGPM90 90/120 102 7 572.00  16.20  72 72±2 1700*1200*1630 950 2"
116 8 529.70  15.00 
145 10 487.30  13.80 
174 12 434.30  12.30 
SGPM110 110/150 102 7 741.50  21.00  90 72±2 2300*1470*1840 1500 DN85
116 8 699.10  19.80 
145 10 614.40  17.40 
174 12 522.60  14.80 
SGPM132 132/175 102 7 865.10  24.50  90 75±2 2300*1470*1840 2000 DN85
116 8 819.20  23.20 
145 10 723.90  20.50 
174 12 614.40  17.40 
SGPM160 160/200 102 7 1013.40  28.70  110 75±2 2500*1470*1840 3200 DN85
116 8 974.60  27.60 
145 10 868.60  24.60 
174 12 759.20  21.50 
SGPM185 185/250 102 7 1129.90  32.00  110 75±2 2500*1470*1840 3200 DN85
116 8 1073.40  30.40 
145 10 967.50  27.40 
174 12 875.70  24.80 
SGPM220 220/300 102 7 1468.90  41.6  170 75±2 3250*2100*2190 4200 DN100
116 8 1465.37  41.5 
145 10 1066.36  30.2 
174 12 1020.46  28.9 
SGPM250 250/350 102 7 1553.64  44.0  170 75±2 3250*2100*2190 4300 DN100
116 8 1550.11  43.9 
145 10 1458.30  41.3 
174 12 1020.46  28.9 
US $1,100-15,000
/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Support
Warranty: 1 Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical

###

Customization:

###

Model : VSD Oil Injected Screw Air Compressor 
Voltage: 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure: 7~12 bar
Installed Motor Power: 7.5kw ~ 355kw
Capacity: 0.8~64.0m3/min
Color: Green (customized)
Driven Method: Direct Drive
Transport Package: Standard Wooden Packing
Air End: Baos,Hanbell,GHH,GU,
application: Industry,Casting , Metal , Plastic , Rubber

###

Model Motor Power Working Pressure Capacity Lubricated Oil Quantity
(L)
Noise
 dB(A)
Dimension (mm) Net Weight Air Outlet
kW/hp psi bar cfm m3/min L*W*H KGS
SGPM08 7.5/10 102 7 42.40  1.20  10 66±2 900*640*850 130 1/2”
116 8 38.80  1.10 
145 10 33.50  0.95 
174 12 28.30  0.80 
SGPM11 11/15 102 7 58.30  1.65  18 68±2 1000*750*1023 200 3/4”
116 8 53.00  1.50 
145 10 45.90  1.30 
174 12 38.80  1.10 
SGPM15 15/20 102 7 88.30  2.50  18 68±2 1000*750*1023 210 3/4”
116 8 81.20  2.30 
145 10 74.20  2.10 
174 12 67.10  1.90 
SGPM18 18.5/25 102 7 113.00  3.20  18 68±2 1100*850*1200 300 1”
116 8 105.90  3.00 
145 10 95.30  2.70 
174 12 84.70  2.40 
SGPM22 22/30 100 7 134.20  3.80  18 68±2 1100*850*1200 300 1”
116 8 127.10  3.60 
145 10 113.00  3.20 
174 12 95.30  2.70 
SGPM30 30/40 102 7 187.10  5.30  18 68±2 1100*850*1200 340 1”
116 8 176.60  5.00 
145 10 158.90  4.50 
174 12 141.20  4.00 
SGPM37 37/50 102 7 240.10  6.80  30 68±2 1250*1000*1345 430 11/2"
116 8 218.90  6.20 
145 10 197.70  5.60 
174 12 176.60  5.00 
SGPM45 45/60 102 7 261.30  7.40  30 72±2 1250*1000*1345 430 11/2"
116 8 247.20  7.00 
145 10 218.90  6.20 
174 12 197.70  5.60 
SGPM55 55/75 102 7 353.10  10.00  65 72±2 1700*1200*1630 820 2"
116 8 339.00  9.60 
145 10 300.10  8.50 
174 12 268.40  7.60 
SGPM75 75/100 102 7 473.20  13.40  65 72±2 1700*1200*1630 950 2"
116 8 444.90  12.60 
145 10 395.50  11.20 
174 12 353.10  10.00 
SGPM90 90/120 102 7 572.00  16.20  72 72±2 1700*1200*1630 950 2"
116 8 529.70  15.00 
145 10 487.30  13.80 
174 12 434.30  12.30 
SGPM110 110/150 102 7 741.50  21.00  90 72±2 2300*1470*1840 1500 DN85
116 8 699.10  19.80 
145 10 614.40  17.40 
174 12 522.60  14.80 
SGPM132 132/175 102 7 865.10  24.50  90 75±2 2300*1470*1840 2000 DN85
116 8 819.20  23.20 
145 10 723.90  20.50 
174 12 614.40  17.40 
SGPM160 160/200 102 7 1013.40  28.70  110 75±2 2500*1470*1840 3200 DN85
116 8 974.60  27.60 
145 10 868.60  24.60 
174 12 759.20  21.50 
SGPM185 185/250 102 7 1129.90  32.00  110 75±2 2500*1470*1840 3200 DN85
116 8 1073.40  30.40 
145 10 967.50  27.40 
174 12 875.70  24.80 
SGPM220 220/300 102 7 1468.90  41.6  170 75±2 3250*2100*2190 4200 DN100
116 8 1465.37  41.5 
145 10 1066.36  30.2 
174 12 1020.46  28.9 
SGPM250 250/350 102 7 1553.64  44.0  170 75±2 3250*2100*2190 4300 DN100
116 8 1550.11  43.9 
145 10 1458.30  41.3 
174 12 1020.46  28.9 

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.
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 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 Made in China Similar to Atlas Copco 7.5kw 11kw 22kw 37kw 45kw 75kw AC Electric Inverter VSD Direct Driven Industrial Rotary Oilless Screw Type Air Compressor     lowes air compressorChina Made in China Similar to Atlas Copco 7.5kw 11kw 22kw 37kw 45kw 75kw AC Electric Inverter VSD Direct Driven Industrial Rotary Oilless Screw Type Air Compressor     lowes air compressor
editor by czh 2022-11-25

China factory 7.5kw 10HP Energy Saving Low Noise Portable Combined Screw Air Compressor with 175L Air Tank Air Booster High Pressure Air Compressor Booster Air Compressor 300 near me supplier

Product Description

Manufacturing Introduction:
This seires air compressor commonly utilized in pneumatuic lock, pneumatic instrument, tire inflation,blowing process,spray, paint,sand bklsting and fluidic factor. 

one) Filling station can be utilised for fire brigade divers foundation CZPT station,

2) mine, oil subject chemical substances, ship, climbing, drinking water sports center industry for human rescue,

3) fireplace fighting, rescue, underwater functions respiration gas filling is ideal in rescue tools.

Element device images, all photoes are for a hundred% actual shooting !
one, Product Show

two, Specification

three,Detail show

four, characteristic:

1) Effectively-created especially for little and medium sized users

two) The operation is basic, practical, and considerably less vulnerable to failure

3) Developed for filling the air accessible for breathing

four) Guarantee CZPT gasoline pure health, no the oil tasteless displacement, substantial-pressure air filling rapidly

5) Methods can be accomplished with no power, and to facilitate the area perform

six) Small measurement, light excess weight, straightforward to move speedily

7) Cost-effective, economical and practical.

8, Business Details
HangZhou  CZPT Machinery Co., Ltd is 1 of the massive-scale woodworking machinery manufacturer in China. The business is found in Wangtai town. 

Our organization is a thorough business which is specialized in investigation and advancement, layout, production, sale and provider. With innovative production equipment and specialist technological personnel of study and development, and administration. Which is shaped a unique management product and the standardization of generation procedure. 

The major goods of woodworking merchandise are CNC router, panel saw series, sanding equipment collection, woodworking CZPT equipment, Pur wrapping device, paper sticking device, vacuum laminating machine, edge banding device, laptop engraving device and the other series and in excess of sixty requirements.  With the scientific management, special technologies, and modern merchandise to meet up with buyer calls for. Our items get a quite substantial track record from our clients at house and abroad.  Our goods are marketed throughout the nation and to Russia, Ukraine, Middle-East, South Africa, Southeast Asia, Central Europe and the other nations around the world and locations. We have acquired the CZPT of customers and our item approach is in the top level among the same market of domestic.  It generates a CZPT brand name named “XINLIHUI” and our items sell nicely both at property and overseas. It is the most dependable brand to our consumers. 
We would like to function a new CZPT growth with the insight colleagues and we welcome all the new and previous friends to check out our company and crest a CZPT tomorrow together.

 

A Buyer’s Guidebook to Air Compressor Kinds

There are a lot of kinds of Air Compressors, and it’s critical to realize what every single type has to offer you. In this article, we are going to examine single stage air compressors, minimal-sounds compressors, and versions with two pistons. But, before you get an Air Compressor, be certain to go through our buyer’s guidebook to the different varieties. This way, you will have all of the information you require to make the correct decision for your company.
air-compressor

Solitary-stage air compressors

A solitary-stage air compressor is an superb selection for most general-objective functions. They offer ample electricity to run pneumatic resources, and they generate less heat. One-phase air compressors, nonetheless, are not suited for hefty-duty industrial uses. Nonetheless, they can be used in different programs, like vehicle outlets, fuel stations, and a variety of manufacturing services. They are also suitable for borewells and other large-force locations.
These air compressors are a great choice for residence use and are suited for modest-scale businesses, contractors, and tiny stores. These compressors have continuous obligation cycles, forged iron compressor pumps, and a bare minimum 5,000-hour pump life. They also function advanced functions, including ODP motors, Vehicle Start & Controls, Receiver tanks, and electricity cords. They have minimal servicing and can save you a wonderful offer of money.
One-phase air compressors are generally less costly and lighter than their two-stage counterparts. One-stage air compressors are also far more moveable, which is a additionally for little initiatives. Whilst two-stage compressors offer you higher CFM, they are more effective and bulky, making them unsuitable for small or home use. So it is essential to figure out what you will use the air compressor for and choose on a model dependent on your wants.
A single-phase air compressor is created of a piston and a tank. The piston moves speedily within the cylinder and exerts force on the cylinder. This means that the piston cannot transfer any more rapidly than the air strain outside the house the cylinder. The piston is created to function in the very same way for every stage. This is a great option for home outlets and one-gentleman automotive outlets, as it enables you to handle the stress with out sacrificing the pump’s daily life.
Single-phase air compressors are typically cheaper than two-phase variations, but they are not the greatest decision for every software. If you are only employing your air compressor occasionally, you’ll discover a 1-stage design to be significantly more dependable than a two-phase design. The principal difference among the two sorts of compressors is in the volume of air that each and every stage compresses. A two-phase air compressor will have far more air storage potential, but it will nevertheless generate more pressure.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is established eccentrically in the housing, which nearly touches the vane. As the rotor turns, the air that enters the pump is trapped amongst the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are little pieces of carbon fiber or graphite composite. Vanes may be produced of different materials relying on the software.
Even though rotary vane pumps are not typically utilized to create compressed air, they are extensively utilised in automotive and hydraulic applications. Chances are, you have utilized a rotary vane pump at some position in your life. These pumps are also widespread in the vacuum and compressed air industries. As a end result, numerous men and women don’t comprehend that they are nonetheless close to. They characteristic 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 area. Its inlet and outlet ports are situated off-center, permitting the vanes to be pushed out by centrifugal force. Simply because the rotor rotates so rapidly, air is trapped amongst the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be simply serviced and fixed. A basic alternative of carbon vanes calls for just 15 minutes and common equipment. The carbon vanes usually last nine to eighteen months, depending on method functioning force. Just before purchasing a rotary vane compressor, make certain to check out whether or not it has been appropriately performance-analyzed and has a guarantee. Typically, warranties protect the rotor/stator chambers but do not cover the vanes or air filters. You ought to also check if the device is coated by a lightning or drinking water damage guarantee.
Rotary vane compressors are an integral element of production industries. Several pharmaceutical production amenities depend on rotary vane compressors to manage their gear. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and health care & dental fields. Their positive aspects are many and considerably outweigh any drawbacks of rotary screw compressors. For illustration, a rotary vane compressor can double the lifestyle of a conventional compressor.
air-compressor

Rotary vane compressors with minimal-sound models

If you are searching for a rotary vane air compressor, you have arrive to the right location. Champion’s LV Series rotary vane compressors offer you reduced-noise types, compact measurement, and strong integration. In addition to their low-noise features, they function huge filter techniques to provide higher-top quality compressed air. The LV Series versions also function Champion’s track record for dependability and quality.
This type of compressor uses centrifugal pressure to work and is minimal in its best and minimal running speeds. They are only a 3rd as strong as screw compressors, and their leading velocity restrictions are much reduce. In addition, the vanes wear out effortlessly at high speeds because there is not adequate centrifugal force to seal them from the cylinder’s edges. Even at fifty percent their entire ability, they eat as much as 80% of their whole strength ranking.
Because piston compressors generate a whole lot of sounds, manufacturing unit owners and store homeowners have started to install noise-dampening cupboards and other remedies. But, rotary vane compressors generate considerably much less sounds than a classic vacuum, and the upkeep costs are also low. Rotary vane compressors are also extremely helpful in numerous industries. They are employed in the automotive and vehicle finishing industries, as properly as in dairy industries and milking equipment.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 toes of water. This is more than adequate airflow for two to 5 diffusers. A 1/4 HP rotary vane kit pumps close to 4.2 CFM. It also assists to enhance circulation and oxygen levels in the pond. Ultimately, a 1/4 HP kit gives the essential power to clear up the bottom of a pond.
The rotary vane and rotary screw are the most well-known air compressors right now. While they are equivalent in several techniques, they are more adaptable and resilient than their counterparts. They use less angular make contact with ball bearings and need less recurrent servicing than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are significantly less pricey.
air-compressor

Rotary vane compressors with two pistons

The rotary vane and rotary screw compressors are similar in application, but both have distinct positive aspects and down sides. This post will compare the positive aspects of every and highlight the distinctions in between them. While equally are frequently utilised in industrial apps, rotary vane compressors are desired by a lot of industries. These compressors also have a wide variety of makes use of, ranging from automotive air resource operation to milking devices. These compressors also have the advantage of being quieter than piston-driven ones.
The current widespread rail situation could not be suitable for pressure swirl injectors, but new positions have been examined and show improvements in certain energy values. In addition, the present position is not required for external oil pumps. Even so, mass induction and expulsion have to be performed with utmost care. This report focuses on the design and performance of rotary vane compressors. You can discover a lot more data about this new layout in the references described below.
The benefits of this variety of compressor are its minimal value, compact size, and straightforward upkeep. That’s why, they are favored in lower capability applications. Furthermore, they function integrated vanes. The rotating vanes close the air hole and compress air in direction of the outlet. When compared to piston-driven compressors, these units are less costly and a lot more trustworthy. Consequently, you must select one particular with the most affordable cost tag. You can also choose for rotary vane compressors that are oil-totally free.
Sliding vane compressors are yet another common variant. They have a solitary cylinder linked to the compressor and are able of operating at reduced speeds. This design also lowers the amount of friction and maintains volumetric efficiency. Even so, the sliding vane compressors undergo from large frictional losses. If you are hunting for a much more productive rotary compressor, this is the greatest alternative. While sliding vane compressors have been in the spotlight for more than a century, they are nonetheless really youthful.
These compressors are effortless to set up and preserve. They are also quieter than piston compressors. They are also less expensive than piston-driven compressors. The vitality performance and lower price tag make them the best selection for any commercial or industrial software. If you might be seeking for a small, compact compressor, the rotary vane has been proven to be the best choice for your demands. You ought to know that it has a prolonged service daily life.

China factory 7.5kw 10HP Power Conserving Lower Noise Moveable Mixed Screw Air Compressor with 175L Air Tank Air Booster High Strain Air Compressor Booster Air Compressor three hundred     in close proximity to me provider China factory 7.5kw 10HP Power Saving Low Sounds Moveable Combined Screw Air Compressor with 175L Air Tank Air Booster High Stress Air Compressor Booster Air Compressor three hundred     near me supplier

China OEM 7.5kw 10HP Oil-Injected Rotary Belt Driven Variable Frequency Screw Air Compressor with Ce/ISO/SGS Certificate wholesaler

Item Description

Product Description

Product: DB-10A
Ability: 1.2 m3/min
Working strain: 8 bar
Screw air stop rotor lobe: 5:six
Manufacturer of screw air end: CZPT ZheJiang  AB collection
Control: PLC
Driven: belt
Cooling: by air
Electrical motor: 10hp 7.5kW 380V/50hz/3ph, IP54 grade
Discharge temperature: considerably less than ambient +8 ºC
Noise: considerably less than 63 dB(A)
Air outlet dimension: G3/4″
Dimension: 780*680*800mm
Weight: 350kg

Edge

1.Huge displacement: Displacement ten% greater than common piston compressor.
two.Power-conserving: When compared with piston air compressor, this sequence of models for the new national standard 2 power efficiency goods, excellent strength conserving.
three.Effortless to run: 24 hours unattended all day work, free load immediately start off, full load instantly shut down.
four.Strong security:Below lengthy time doing work, displacement and stress secure, no crash phenomenon, low failure rate.

Software Industry

Air compressors are widely used in Steel Sector, Electric Electrical power, Metallurgy, Rubber, Oil & Gas, Blow Molding, Shipbuilding, Textiles, Printing, Provider, Electronics, Chemicals, Painting, Light business, Transportation services, Food and drugs, Sandblasting and other industries.

Venture case

Buyer feedback

Packaging and transport

Our personnel CZPT the analyzed air compressors in picket situations. Soon after the packaging is finished, the air compressor will be transported to the port and then shipping to the planet.

Business Profile

CZPT Compressor ZheJiang Co.,Ltd.was started in 1996 with more than 150 competent employees and much more than 25 R&D engineers’ teams.We concentrate on the study & build, manufacture and strength-conserving remedies of screw air compressor to develop benefit for buyers and modern society.

CZPT opened to the world given that 2015, and now we have a overseas trade section with a lot more than dozens individuals, serving buyers all around the world 24 several hours. We have sales representatives who can talk English, Spanish, Portuguese, French,and Russian which can make it less difficult for our clients from all over the planet to interact and negotiate with us.now our valued buyers are over 130 international locations. Germany Normal and thirteen years exporting knowledge aid us won far more than fifty loyal overseas agents.

CZPT constantly innovates solution development and management to meet customers’ demand. The strong enterprise lifestyle and continuous innovation make CZPT improved quickly to attain the enterprise theory “Vitality Conserving Very first, Mutual Price Shared”. The creation line of CZPT is consist of screw air compressor from 5.5KW to 550KW, oil free of charge air compressor, transportable air compressor, permanent magnet variable frequency air compressor, high strain air compressor and compressed air CZPT products, and many others.

CZPT mission is to be a world-renowned substantial-end model, with sustainable improvement, continually strengthening its possess worth and sharing it with our consumers and staff. Fully commited to supply our consumers a silent and vitality-conserving manufactured items.

Our services

1.24/7 following income provider support in different languages.
2.Adhere to up the suggestions of items in two months interval by electronic mail or call.
3.Direction of set up and commissioning on internet site can be provided by manufacturing facility-trained specialists or neighborhood Licensed Services Centre.
4.Technological coaching for buyers in DEHAHA air compressor manufacturing unit or operating internet site.
5.A lot of authentic spare components with established good quality are all offered from our central stocks in ZheJiang and all distributors’depots. 
six.All varieties of technological paperwork in diverse languages.

Why choose us?

one.High quality Assure
With far more than 24 a long time industry expertise and our compressor accredited by CE, ISO9001, SGS, And TUV examination.The raw components are strictly inspected and Some crucial components are imported from overseas.Every single compressor have to pass at the very least 5 hours of ongoing tests prior to leaving the factory.

2.Warranty Interval
The comprehensive machines are proviede with a single-yr guarantee, and the compressor air conclude with Two-calendar year guarantee and lifetime routine maintenance(With the exception of wearing components)

3. Set up and Commissioning
Provied clients with set up and commissioning directions,and all service-delivering personnel are strictly trained technically by our firm.

four.Right after -income Services
Our company has provider community in entire world, supplying prompt replies to clients right after notified inside 24~48hours for troubleshooting.

five.Spare Elements
Our business often provide spare areas on most favorable conditions.

FAQ

Q1. Are you buying and selling firm or manufacture ?
A: We are specialist manufacture of screw air compressor of HangZhou(Near to ZheJiang ), China, more than 24 several years.

Q2. How extended is the supply time ?
A: For common voltage ,15 working days. Non-common ,remember to get in touch with our sales.

Q3. What is actually payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and and so on. Also we could accept USD, RMB, Euro and other forex.

This fall. How about your after-revenue support ?
A: 1.Provide consumers with set up and commissioning on-line guidelines.
      2. Well-educated engineers accessible to abroad services.
      3.Throughout the world brokers and right after support avaiable.set up our engineers to support you education and installation.

Q5. How about your guarantee?
A: 1 year for the entire equipment and 2 years for screw air conclude, other than consumable spare components.

Q6. Do you have any certification ?
A: Indeed, per distinct customer’s marketplace need ,we can provide CE ,ISO and so forth certification.

Q7. What about the maintenance ?
A: First upkeep need to have to be done soon after 500Hours, and then each and every 2000-3000 several hours to do the normal servicing, and contemplate the real environment.

Q8. How do you control good quality ?
A: 1.The raw components are strictly inspected
      2. Some crucial parts are imported from overseas
      3.Every compressor must go at minimum 5 several hours of steady tests prior to leaving the factory.

Q9. Do you offer OEM services ?
A: Indeed.Each OEM & ODM support can be approved.

Q10.How long could your air compressor be utilised?
A: Typically, a lot more than 10 years.

A Buyer’s Manual to Air Compressor Varieties

There are many varieties of Air Compressors, and it truly is essential to understand what each and every sort has to offer you. In this report, we will talk about solitary stage air compressors, reduced-noise compressors, and designs with two pistons. But, ahead of you purchase an Air Compressor, be positive to study our buyer’s information to the various sorts. This way, you may have all of the information you need to have to make the correct choice for your business.
air-compressor

One-phase air compressors

A solitary-phase air compressor is an excellent selection for most standard-purpose purposes. They supply sufficient energy to run pneumatic resources, and they generate less heat. One-phase air compressors, nonetheless, are not suited for weighty-responsibility industrial makes use of. Nonetheless, they can be used in different apps, including car shops, fuel stations, and a variety of manufacturing amenities. They are also suited for borewells and other substantial-force places.
These air compressors are a great option for house use and are appropriate for small-scale companies, contractors, and little shops. These compressors have steady duty cycles, cast iron compressor pumps, and a bare minimum 5,000-hour pump lifestyle. They also characteristic innovative attributes, like ODP motors, Car Begin & Controls, Receiver tanks, and energy cords. They have minimal servicing and can conserve you a great offer of money.
One-stage air compressors are normally much less high-priced and lighter than their two-stage counterparts. Solitary-stage air compressors are also a lot more portable, which is a plus for small assignments. Whilst two-stage compressors provide larger CFM, they are a lot more potent and bulky, generating them unsuitable for tiny or home use. So it is important to figure out what you will use the air compressor for and decide on a design based mostly on your demands.
A single-phase air compressor is manufactured of a piston and a tank. The piston moves quickly inside the cylinder and exerts stress on the cylinder. This indicates that the piston can not go any faster than the air pressure exterior the cylinder. The piston is developed to work in the exact same way for every single phase. This is a excellent choice for residence shops and a single-man automotive outlets, as it enables you to manage the force without sacrificing the pump’s existence.
Solitary-stage air compressors are usually more affordable than two-phase versions, but they are not the best choice for each and every application. If you are only using your air compressor at times, you may uncover a one-phase model to be much more trustworthy than a two-stage product. The principal variation in between the two kinds of compressors is in the sum of air that every phase compresses. A two-stage air compressor will have far more air storage potential, but it will even now create a lot more stress.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which virtually touches the vane. As the rotor turns, the air that enters the pump is trapped among the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are tiny pieces of carbon fiber or graphite composite. Vanes might be manufactured of various supplies based on the application.
Whilst rotary vane pumps are not frequently utilized to make compressed air, they are commonly used in automotive and hydraulic applications. Probabilities are, you have used a rotary vane pump at some point in your daily life. These pumps are also common in the vacuum and compressed air industries. As a end result, several people will not realize that they are nonetheless all around. They characteristic slots that enable the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside of. The rotor is eccentrically positioned and has slots and grooves on its floor. Its inlet and outlet ports are positioned off-middle, enabling the vanes to be pushed out by centrifugal pressure. Since the rotor rotates so speedily, air is trapped among the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be effortlessly serviced and repaired. A easy replacement of carbon vanes calls for just 15 minutes and common resources. The carbon vanes typically very last 9 to eighteen months, based on technique working force. Prior to getting a rotary vane compressor, make sure to check out whether or not it has been correctly efficiency-tested and has a warranty. Typically, warranties protect the rotor/stator chambers but do not protect the vanes or air filters. You need to also verify if the device is coated by a lightning or drinking water hurt guarantee.
Rotary vane compressors are an integral element of production industries. Several pharmaceutical manufacturing facilities rely on rotary vane compressors to manage their gear. Other industries that use rotary vane compressors incorporate the plastics, woodworking, organic gasoline, and health care & dental fields. Their rewards are many and considerably outweigh any drawbacks of rotary screw compressors. For case in point, a rotary vane compressor can double the lifestyle of a typical compressor.
air-compressor

Rotary vane compressors with minimal-sounds versions

If you are looking for a rotary vane air compressor, you have occur to the correct area. Champion’s LV Collection rotary vane compressors offer you reduced-sound versions, compact dimensions, and sturdy integration. In addition to their reduced-noise characteristics, they function massive filter systems to deliver higher-good quality compressed air. The LV Sequence models also feature Champion’s reputation for dependability and top quality.
This kind of compressor utilizes centrifugal pressure to run and is restricted in its top and minimum functioning speeds. They are only a 3rd as potent as screw compressors, and their top velocity boundaries are a lot lower. Additionally, the vanes dress in out easily at substantial speeds because there is not ample centrifugal power to seal them against the cylinder’s edges. Even at half their full ability, they take in as considerably as eighty% of their whole energy ranking.
Simply because piston compressors make a good deal of sounds, factory owners and store owners have begun to put in sound-dampening cabinets and other answers. But, rotary vane compressors produce considerably less sounds than a standard vacuum, and the maintenance costs are also minimal. Rotary vane compressors are also very useful in numerous industries. They are utilized in the automotive and car ending industries, as effectively as in dairy industries and milking devices.
If you have a deep pond, a rotary vane air compressor kit can pump up to twenty toes of drinking water. This is far more than sufficient airflow for two to 5 diffusers. A 1/4 HP rotary vane kit pumps all around 4.2 CFM. It also helps to boost circulation and oxygen stages in the pond. Finally, a 1/4 HP kit gives the essential energy to thoroughly clean up the bottom of a pond.
The rotary vane and rotary screw are the most well-known air compressors nowadays. While they are comparable in several approaches, they are a lot more functional and sturdy than their counterparts. They use much less angular contact ball bearings and demand significantly less frequent upkeep than piston air compressors. In comparison to piston air compressors, rotary vane and rotary screw compressors are quieter and are less pricey.
air-compressor

Rotary vane compressors with two pistons

The rotary vane and rotary screw compressors are equivalent in application, but each have diverse positive aspects and down sides. This post will compare the rewards of every and emphasize the differences between them. While both are frequently utilized in industrial apps, rotary vane compressors are chosen by a lot of industries. These compressors also have a broad range of employs, ranging from automotive air tool procedure to milking equipment. These compressors also have the advantage of becoming quieter than piston-run types.
The existing common rail position may possibly not be suited for stress swirl injectors, but new positions have been examined and demonstrate improvements in particular energy values. Moreover, the existing position is not required for external oil pumps. However, mass induction and expulsion have to be done with utmost care. This post focuses on the design and performance of rotary vane compressors. You can locate much more data about this new design and style in the references talked about below.
The benefits of this variety of compressor are its low cost, compact measurement, and straightforward servicing. Therefore, they are favored in minimal capacity purposes. In addition, they feature built-in vanes. The rotating vanes near the air gap and compress air in the direction of the outlet. When compared to piston-powered compressors, these units are cheaper and more reliable. As a result, you should choose one with the most affordable price tag tag. You can also decide for rotary vane compressors that are oil-free.
Sliding vane compressors are another common variant. They have a one cylinder linked to the compressor and are capable of working at lower speeds. This design and style also lowers the amount of friction and maintains volumetric effectiveness. Even so, the sliding vane compressors endure from substantial frictional losses. If you are looking for a more productive rotary compressor, this is the very best selection. Whilst sliding vane compressors have been in the highlight for more than a century, they are nevertheless really young.
These compressors are effortless to install and maintain. They are also quieter than piston compressors. They are also more affordable than piston-pushed compressors. The vitality effectiveness and lower price tag make them the ideal choice for any professional or industrial software. If you are seeking for a small, compact compressor, the rotary vane has been verified to be the ideal choice for your wants. You ought to know that it has a prolonged support life.

China OEM 7.5kw 10HP Oil-Injected Rotary Belt Pushed Variable Frequency Screw Air Compressor with Ce/ISO/SGS Certification     wholesaler China OEM 7.5kw 10HP Oil-Injected Rotary Belt Driven Variable Frequency Screw Air Compressor with Ce/ISO/SGS Certificate     wholesaler