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China Professional Manufacturer of High Pressure Industrial Heavy Duty Oil less Electric Stationary AC Power Medium And Direct Driven Rotary Screw Type Air Compressor

Product Description

Industrial Low-Noise Electric Stationary AC Power Oil Lubricated Medium High Pressure Direct Driven Rotary Screw Type Air Compressor Advantages

1.Superior design with 72 types of technology patent, 2 stages compression, realize maximum energy saving and lowest noise level.
 
2.State-of-the-art screw element, original Germany CZPT air end, ladvanced SAP profile design, superior Sweden CZPT element bearings
 
3.Adopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany,  pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.
 
4.Intelligent controller and multi-language LCD keep the outstanding safety
performance.
 
5.Stainless steel oil pipe and air pipe, high temperature resistant (400ºC=752ºF) and low temperature resistant(-270ºC=518ºF), high pressure resistant.lUltra-long life(80 years), completely leak free and maintenance free
 
6.Conform to CE, ISO9001 and energy saving certification, etc.

The Technical Parameters Of High Pressure Rotary Screw Air Compressor

Model Maxinmum working pressure Capacity(FAD)* Installed motor Driving mode&
Cooling method		 Noise level** Dimensions(mm) Weight Air outlet
pipe diameter
50 HZ 60 HZ power
Min. Max. Min. Max. Min. Max. Min. Max.  
bar(g) psig m³/min cfm m³/min cfm kw hp dB(A) L W H kg
DVAH-90-16 16 232 3.73 9.24 131 326 4.28 8.57 151 303 90 120 Direct Driven
Air
Cooling
/W-Water Cooling		 78 2800 1600 1700 2500 DN50
DVAH-90-18 18 261 4.29 10.73 151 379 5.39 10.78 190 381 90 120 78 2800 1600 1700 2500 DN50
DVAH-90-20 20 290 4.24 10.61 150 375 5.33 10.67 188 377 90 120 78 2800 1600 1700 2500 DN50
DVAH-90-25 25 363 4.14 10.35 146 365 4.76 9.51 168 336 90 120 78 2800 1600 1700 2500 DN50
DVAH-110-16 16 232 5.32 13.3 188 470 5.81 11.62 205 410 110 150 78 2800 1600 1700 3200 DN50
DVAH-110-18 18 261 5.78 14.45 204 510 5.58 11.16 197 394 110 150 78 2800 1600 1700 3200 DN50
DVAH-110-20 20 290 5.73 14.33 202 506 5.38 10.76 190 380 110 150 78 2800 1600 1700 3200 DN50
DVAH-110-25 25 363 4.86 12.15 172 429 5.28 10.56 186 373 110 150 78 2800 1600 1700 3200 DN50
DVAH-110-30 30 435 4.95 12.38 175 437 5.15 10.3 182 364 110 150 78 2800 1600 1700 3200 DN50
DVAH-110-35 35 508 4.24 10.6 150 374 5.1 10.2 180 360 110 150 78 2800 1600 1700 3200 DN50
DVAH-110-40 40 580 4.21 10.53 149 372 5.6 11.2 198 395 110 150 78 2800 1600 1700 3200 DN50
DVAH-132-16 16 232 5.35 13.37 189 472 7.25 14.5 256 512 132 175 78 2800 1600 1700 3950 DN50
DVAH-132-18 18 261 5.81 14.53 205 513 6.5 12.99 229 459 132 175 78 2800 1600 1700 3950 DN50
DVAH-132-20 20 290 5.75 14.37 203 507 6.42 12.84 227 453 132 175 78 2800 1600 1700 3950 DN50
DVAH-132-25 25 363 4.87 12.18 172 430 6.23 12.46 220 440 132 175 78 2800 1600 1700 3950 DN50
DVAH-132-30 30 435 4.97 12.43 176 439 5.25 10.5 185 371 132 175 78 2800 1600 1700 3950 DN50
DVAH-132-35 35 508 4.26 10.64 150 376 5.2 10.4 184 367 132 175 78 2800 1600 1700 3950 DN50
DVAH-132-40 40 580 4.22 10.56 149 373 5.15 10.3 182 364 132 175 78 2800 1600 1700 3950 DN50
DVAH-160-16 16 232 6.17 15.43 218 545 9.39 18.78 332 663 160 215 80 2800 1600 2000 5000 DN65
DVAH-160-18 18 261 6.76 16.91 239 597 9.22 18.43 325 651 160 215 80 2800 1600 2000 5000 DN65
DVAH-160-20 20 290 6.66 16.65 235 588 8.07 16.13 285 570 160 215 80 2800 1600 2000 5000 DN65
DVAH-160-25 25 363 5.89 14.73 208 520 7.99 15.97 282 564 160 215 80 2800 1600 2000 5000 DN65
DVAH-185-16 16 232 6.55 16.37 231 578 10.3 20.6 364 727 185 250 80 2800 1600 2000 5500 DN65
DVAH-185-18 18 261 7.29 18.21 321 643 10.19 20.37 360 719 185 250 80 2800 1600 2000 5500 DN65
DVAH-185-20 20 290 7.2 18.01 254 636 8.81 17.62 311 622 185 250 80 2800 1600 2000 5500 DN65
DVAH-185-25 25 363 7.06 17.65 249 623 8.73 17.45 308 616 185 250 80 2800 1600 2000 5500 DN65
DVAH-200-16 16 232 8.68 21.71 307 766 11.94 23.88 422 843 200 270 85 3300 2000 2100 6000 DN80
DVAH-200-18 18 261 10.64 26.61 376 940 11.32 22.64 400 799 200 270 85 3300 2000 2100 6000 DN80
DVAH-200-20 20 290 9.7 24.25 343 856 10.69 21.37 377 755 200 270 85 3300 2000 2100 6000 DN80
DVAH-200-25 25 363 8.84 22.09 312 780 9.1 18.19 321 642 200 270 85 3300 2000 2100 6000 DN80
DVAH-220-16 16 232 9.75 24.37 344 860 12.17 24.34 430 859 220 300 85 3300 2000 2100 6300 DN80
DVAH-220-18 18 261 12.13 30.32 428 1070 11.84 23.67 418 836 220 300 85 3300 2000 2100 6300 DN80
DVAH-220-20 20 290 10.56 26.39 373 932 11.21 22.42 396 792 220 300 85 3300 2000 2100 6300 DN80
DVAH-220-25 25 363 9.6 24.01 339 848 10.47 20.94 370 739 220 300 85 3300 2000 2100 6300 DN80
DVAH-250-16 16 232 10.7 26.75 378 944 14.07 28.13 497 993 250 350 85 3500 2200 2100 6500 DN125
DVAH-250-18 18 261 12.13 30.32 428 1070 14 27.99 494 988 250 350 85 3500 2200 2100 6500 DN125
DVAH-250-20 20 290 12.07 30.16 426 1065 12.95 25.89 457 914 250 350 85 3500 2200 2100 6500 DN125
DVAH-250-25 25 363 10.45 26.13 369 923 12.45 24.9 440 879 250 350 85 3500 2200 2100 6500 DN125
DVAH-280-16 16 232 12.55 31.38 443 1108 16.51 33.02 583 1166 280 375 85 3500 2200 2100 7000 DN125
DVAH-280-18 18 261 14.99 37.47 529 1323 14.84 29.68 524 1048 280 375 85 3500 2200 2100 7000 DN125
DVAH-280-20 20 290 14.84 37.09 524 1310 14.69 29.38 519 1037 280 375 85 3500 2200 2100 7000 DN125
DVAH-280-25 25 363 12.37 30.93 437 1092 12.69 25.38 448 896 280 375 85 3500 2200 2100 7000 DN125
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) Specifications are subject to change without prior notice

DENAIR Factory 

DENAIR Certificates

DENAIR Exhibiton

DENAIR Customers

We Carefully Selected For You The Classic Case:

DENAIR VSD Screw Air Compressor for Food Processing in USA
Project Name: Coffee manufacturer in Omaha, United States
Product Name: 30KW 40HP direct dirven variable frequency screw air compressor with air dryer and air receiver tank
Model No. & Qty: DVA-30G x 2
Working Time: From January, 2016 till now
Event: In January, 2016, CZPT service team Michael, Sissi and Steven visited our VIP customer in Omaha, United States for technical training for air compressor maintenance. The customer was very satisfied with our good service and VSD energy saving solution.

 

FAQ

Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2: No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.
 

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China Professional Manufacturer of High Pressure Industrial Heavy Duty Oil less Electric Stationary AC Power Medium And Direct Driven Rotary Screw Type Air Compressor China Professional Manufacturer of High Pressure Industrial Heavy Duty Oil less Electric Stationary AC Power Medium And Direct Driven Rotary Screw Type Air Compressor

China CZPT 60HP 45kw Permanent Magnet AC Power VSD Screw Air Compressor with Energy Saving

Product Description

Rodlars 60hp 45kw permanent magnet ac power vsd screw air compressor
with energy saving

Products Description

Product Parameters of CZPT Permanent Magnet Frequency Screw Air Compressor
Model Motor Power  Pressure  Capacity Noise  Level Outlet Pipe Diameter Net Weight Dimensions Lubricating oil capacity
KW HP Bar m3/min DB Inch Kgs L*W*H(mm) L
LS-10APM 7.5 10 7 1.2 66±2 G ½ 130 900*640*850 10
8 1.1
10 0.95
12 0.8
LS-15APM 11 15 7 1.65 68±2 G ¾ 200 1000*750*1571 18
8 1.5
10 1.3
12 1.1
LS-20APM 15 20 7 2.5 68±2 G ¾ 210 1000*750*1571 18
8 2.3
10 2.1
12 1.9
LS-25APM 18.5 25 7 3.2 68±2 G1 280 1100*850*1200 18
8 3
10 2.7
12 2.4
LS-30APM 22 30 7 3.8 68±2 G1 300 1100*850*1200 18
8 3.6
10 3.2
12 2.7
LS-40APM 30 40 7 5.3 68±2 G1 340 1100*850*1200 18
8 5
10 4.5
12 4
LS-50APM 37 50 7 6.8 68±2 G1-½ 430 1250*1000*1345 30
8 6.2
10 5.6
12 5
LS-60APM 45 60 7 7.4 72±2 G1-½ 460 1250*1000*1345 30
8 7
10 6.2
12 5.6
LS-75APM 55 75 7 10 72±2 G2 820 1700*1200*1630 65
8 9.6
10 8.5
12 7.6
LS-100APM 75 100 7 13.4 72±2 G2 950 1700*1200*1630 65
8 12.6
10 11.2
12 10
LS-120APM 90 120 7 16.2 72±2 G2 1190 1700*1200*1630 75
8 15
10 13.8
12 12.3
LS-150APM 110 150 7 21 75±2 G2-½ 1550 2300*1470*1840 90
8 19.8
10 17.4
12 14.8
LS-175APM 132 175 7 24.5 75±2 G2-½ 1550 2300*1470*1840 90
8 23.2
10 20.5
12 17.4
LS-200APM 160 200 7 28.7 75±2 G2-½ 2900 2300*1470*1840 110
8 27.6
10 24.6
12 21.5
LS-250APM 185 250 7 32 75±2 DN100 3200 3600*2100*2190 110
8 30.4
10 27.4
12 24.8
LS-300APM 220 300 7 36 82±2 DN100 4000 3600*2100*2190 125
8 34.3
10 30.2
12 27.7
LS-350APM 250 350 7 42 82±2 DN100 4500 3600*2100*2190 150
8 40.5
10 38.2
12 34.5
LS-430APM 315 430 7 51 82±2 DN100 6000 3600*2100*2190 150
8 50.2
10 44.5
12 39.5
LS-480APM 355 480 7 64 84±2 DN100 6500 3600*2100*2190 150
8 61
10 56.5
12 49
LS-540APM 400 540 7 71.2 84±2 DN100 7200 3600*2100*2190 180
8 68.1
10 62.8
12 52.2
Remarks:
1.The exhaust volume is measured under the rated exhaust pressure, according to the national standard GB3853 test (equivalent to ISO1217 appendix C).
2.Recommend frequency 30-100%.
3.The above data is based on the standard grid-380V/50HZ.

 

                   Non-standard customization service support

Please make further inquiry for the non-standard specification type and machines which
  are used under high or low temperature, high humidity,dusty working environment etc.

Details Images

Motor
1.IEC high efficiency drive motor
2.IP54 and high temperature F class rating
Controller
1.Easy to use and maintenance free
2.Constant readout of pressure and temperature
3.Provides 24 hours automatic start-stop operation
Inlet valve
The unique design differential pressure valve provide rapid response under any
condition and maintains the set differential pressure between the inlet pressure
and outlet pressure.100% modulating inlet valve to match system air demand.
Filtration system
Ultra efficient Kerry inlet air filters provide clean air that traps dirt particals to
less than 3 microns.
Electrical control protection
1.Phase protectiom
2.Phase sequence protection relay
3.High discharge temperature shutdown
4.Auto-dual control
5.Overload start protection

Product Feature
1.Save Energy Plus
Power frequency is replaced by permanent magnet frequency,so it can save over 30% energy.
2.Low Noise
Because it is low in noise, it can be applied wodely.
3.Long Service Lift 
Bearing and gear loading becomes small, so service life of the main machine is impact to grid equipment largely.

Company Profile
Luosi Technology Co., Ltd.,one of Biggest Air Compressor Manufacture with 33 years focus
in air Compressor in China.We are specialized in R&D, manufacturing, sales and service of air
compressors and supporting equipment.With over 20,000 square meters morden workshop,one
whole digital inspection line, 3 air compressor line, all with advanced automatic production equipment.We have air compressor technology research and development, manufacturing,
quality, logistics, operation, marketing, and after-sales service departments.

Our company mainly produces screw air compressor, permanent magnet variable frequency air compressor, two-stage permanent magnet air compressor, special laser cutting air compressor,
high and low pressure air compressor, air post-processing equipment (frozen dryer, adsorption
dryer, QPS precision machine, filter, etc.), gas storage tank and supporting parts.Our company
offers variety of products which can meet your multifarious demands. 

We adhere to the management principles of “quality first, customer first and credit-based” since
the establishment of the company and always do our best to satisfy potential needs of our
customers. Our company is sincerely willing to cooperate with enterprises from all over the world
in order to realize a CZPT situation since the trend of economic globalization has developed with anirresistible force.

Certification

FAQ
Q1:Are you a manufactures or trading company?
A1:We are professional manufacture of Screw air compressor of HangZhou
    (Close to HangZhou) ,33 years of focus in Air Compressor.

Q2:What’s your Delivery Time?
A2:Generally 10days.If it is an urgently or Non-standard order, please contact us in advance.

Q3:How long is your air compressor warranty?
A3:One year for the whole machine and 2 years for screw air end, except consumable
     spare parts.

Q4:How many Screw Air Compressor do you produce everyday?
A4:We can produce 300 pieces everyday.

Q5:Can you use our brand?
A5:Yes, Both OEM & ODM service can be accepted.

Q6:How long could your air compressor be used?
A6:Generally, more than 10 years.

Q7:What’s payment term?
A7:T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept
      USD, RMB, Euro and other currency.

Q8:How about the maintenance?
A8:First maintenance need to be done after 500Hours, and then every 2000-3000 hours
      to do the normal maintenance, and consider the actual environment.

Q9:How do you control quality ? 
A9:1.The raw materials are strictly inspected 
      2.Each compressor must pass at least 5 hours of continuous testing before leaving
         the factory.
Payment and Shipping

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 2 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 2 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 9 to 18 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 2 to 5 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 2 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 1 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 CZPT 60HP 45kw Permanent Magnet AC Power VSD Screw Air Compressor with Energy Saving China CZPT 60HP 45kw Permanent Magnet AC Power VSD Screw Air Compressor with Energy Saving

China High Reliability Low Noise 10bar 90kw 120HP Water Lubricated 3 Phase AC Power Permanet Magnet Variable Speed Drive Oil Free Single Rotary Screw Air Compressor

Product Description

High Reliability Low Noise 10bar 90kw 120HP Water Lubricated 3 phase AC power Permanet Magnet Variable Speed Drive Oil Free  Single Screw Air Compressor

1.About GREAT: 

GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research, production, sales and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.
    Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad. We can provide satisfied service such as consulting, training, repairing, spare parts suppling, etc.
 “GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers
Accoring to the busniness tenet of “high efficiency,engeryg saving, realiability and durable ” GREAT provide you with high-quality products and timely service as well as customized compressed air system solutions.

2. performance characteristics for water- lubricated oil free screw air compressor :

3. Advantages for oil-free water lubrication screw air compressor:

1). No oil, cleaner
The whole air compressor does not need to add any lubricating oil inside to make the outlet gas cleaner.
2). Stainless steel, safer
The parts in contact with compressed air in the system are made of 304 or 316 stainless steel to prevent pollution in the compression process and ensure the safety of gas.
3). low speed, high efficiency, more environmental protection
The main engine and motor are connected by elastic coupling, and there is no gearbox and other variable speed device, which makes the main engine and motor rotate at the same speed, reducing noise and vibration less.
The compression temperature of the host machine is about 50ºC, close to isothermal compression, effectively reducing energy consumption.
Using water as a lubricant, the entire life cycle of the equipment does not produce any waste oil discharge.

4).Simple structure and low maintenance cost

The machine structure is simple, easy to maintain, only need to replace the air rate and water filter element, no lubricating oil, greatly reduce the maintenance cost.

4. Details for GREAT oil free water lubricated screw air compressor :

5.Technical Parameters for oil-free water lubrication screw air compressor:

Model Max work pressure (Mpa) Flow air capacity (m³/min) Motor power  (kw) Noise
(dB)		 Pipe dia. Of cooling water Cooling water volume
(T/H)		 Lubricate water volume Dimension LXWXH
(mm)		 Weight
(kg)		 Air outlet
TKW-5VA/W 0.8 0.3~0.78 5.5 58 3/4″ 1.5 10 800x800x1100 460 3/4″
1.0 0.2~0.65
TKW-7VA/W 0.8 0.35~1.17 7.5 58 3/4″ 1.5 10 800x800x1100 510 3/4″
1.0 0.3~1.05
1.25 0.24~0.81
TKW-11VA/W 0.8 0.54~1.65 11 60 1″ 2.5 26 1200x760x1300 620 3/4″
1.0 0.45~1.42
1.25 0.35~1.10
TKW-15VA/W 0.8 0.75~2.43 15 63 1″ 3.5 26 1200x760x1300 670 3/4″
1.0 0.65~2.17
1.25 0.6~1.80
TKW-18VA/W 0.8 0.9~3.13 18.5 65 1″ 4 30 1400x900x1450 730 1″
1.0 0.9~2.82
1.25 0.6~2.05
TKW-22VA/W 0.8 1.1~3.52 22 65 1″ 5 30 1400x900x1450 780 1″
1.0 0.97~3.21
1.25 0.85~2.78
TKW-30VA/W 0.8 1.55~5.12 30 67 1 1/2″ 7 40 1550X1150X1500(A)
1500X1150X1300(W)		 1150 1 1/4″
1.0 1.255~4.43
1.25 1.1~3.63
TKW-37VA/W 0.8 1.91~6.30 37 67 1 1/2″ 9 40 1550X1150X1500(A)
1500X1150X1300(W)		 1200 1 1/4″
1.0 1.60~5.33
1.25 1.42~4.77
TKW-45VW 0.8 2.5~7.4 45 68 1 1/2″ 10 90 1800x1300x1750(A)
1800x1300x1680(W)		 1490 2″
1.0 1.91~6.30
1.25 1.70~5.56
TKW-55VW 0.8 3.0~9.76 55 70 1 1/2″ 12 100 1980x1300x1750(A)
1800x1300x1680(W)		 1570 2″
1.0 2.60~8.55
1.25 2.30~7.67
TKW-75VW 0.8 3.95~13.00 75 73 1 1/2″ 18 100 1800x1300x1750(W) 1750 2″
1.0 3.4~11.50
1.25 3.0~9.70
TKW-90VW 0.8 5.0~14.8 90 73 1 1 /2″ 20 120 2200x1550x1800 2450 2 1/2″
1.0 4.30~13.90
1.25 3.72~12.60
TKW-110VW 0.8 6.0~19.85 110 78 2″ 24 120 2200x1550x1800 2580 2 1/2″

 
1.0 5.0~16.66
1.25 4.65~15.56
TKW-132VW 0.8 6.75~23.10 132 78 2″ 30 120 2200x1550X1800 2700 2 1/2″
1.0 6.0~19.97
1.25 5.07~16.90
TKW-160VW 0.8 8.5~28.11 160 80 3″ 35 160 3000X1800X2100 3900 3″
1.0 7.6~25.45
1.25 6.7~22.52
TKW-185VW 0.8 10~33.97 185 80 3″ 38 160 3000X1800X2100 4050 3″
1.0 8.72~29.00
1.25 7.75~25.21
TKW-200VW 0.8 11.2~36.75 200 80 4″ 42 200 3100X1850X2100 4200 4″
1.0 9.68~32.78
1.25 9.2~29.24
TKW-220VW 0.8 12.2~39.67 220 80 4″ 47 200 3100X1850X2100 4400 4″
1.0 11.2~36.75
1.25 9.0~29.63
TKW-250VW 0.8 13.5~43.5 250 80 4″ 53 200 3100X1850X2100 4800 4″
1.0 12.2~39.30
1.25 10.2~34

 

4.Application :

6.Certification :

7. Packing and shipping :

8. Exhibition:

9. FAQ Industrial Lubricated High Pressure Screw Air Compressor
Q1: Are you factory or trade company?  
A1: We are factory.
Q2: Warranty terms of your machine? 
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines? 
A3: Yes, of course.
Q4: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

10. Contact :

 

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 1 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.
air-compressor

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 2 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 1 square inch of air. These 2 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 High Reliability Low Noise 10bar 90kw 120HP Water Lubricated 3 Phase AC Power Permanet Magnet Variable Speed Drive Oil Free Single Rotary Screw Air Compressor China High Reliability Low Noise 10bar 90kw 120HP Water Lubricated 3 Phase AC Power Permanet Magnet Variable Speed Drive Oil Free Single Rotary Screw Air Compressor

China 16bar 22kw 30HP Permanent Magnet AC Power VSD Rotary Screw Air Compressor

Product Description

RISAN Permanent Magnet Variable Frequency Screw Air Compressor:
Compact, complete machine design, easy for installation, operation and maintenance.
High-efficiency, energy-saving three-phase asynchronous motor specifically designed  for screw compressors.
The three-phase rare earth permanent magnet synchronous motor is equipped, with more effective energy-saving control, can greatly reduce the operation cost.
The start-up and operation are more stable, enhance system reliability and extend compressor lifespan.
The noise is lower, the vibration is smaller, the operation is more stable, and reduce the cost of maintenance.
High precision airend, low noise and low vibration, it can achieve the smallest leakage area, and improve work efficiency.
Multiple language control panel, easy to operate.
 

Model: RK30E
Power: 22KW/30HP
Airend: Hanbell AC
Inverter: Zoncn/Jinlong/Veichi/Inovance
Voltage: 380V 415V etc…
Pressure: 1.6Mpa
Air Flow:  1.8m3/min
Outlet pipe diameter: R1
Size: 1180*880*1160mm
Weight: 500kg

 

About us
RISAN Compressor Co., Ltd. is located in HangZhou City, ZHangZhoug Province. We focus
on the production of energy saving and high efficiency screw air compressors, committing to be
a good example of manufacturing high quality compressor.

Our company has 2 senior engineers, 3 R&D engineers, 2 design engineers and more than 200
experienced employee now, with design production capacity of 4000 units per month. We have
numerical control turrent punch press, CNC bending machine, laser cutting machine, automatic
spraying line, semi-automatic welding line, robot welding station, automatic assembly line,
automatic material warehouse, testing machine and other advanced equipment to guarantee
efficient production and excellent quality.

FAQ:

Q1: Are you factory or trade company?

A1: We are factory.

 

Q2: Where is your factory?

A2: Our factory is located in Xihu (West Lake) Dis. Industrial Area, HangZhou City, ZHangZhoug, China.

 

Q3: How about the warranty terms of your machine?

A3: One year warranty for the machine and technical will support according to your needs in any time.

 

Q4: Will you provide some spare parts of the machines?

A4: Yes, of course.

 

Q5: What about product package?

A5: We will pack the products strictly with standard seaworthy case.

 

Q6: Can you customized the voltage of products?

A6: Yes, of course. The voltage can be customized according to your requirement.

 

Q7: Can you provide samples?

A7: Yes, we cam provide samples.

 

Q8: How long will you take to arrange production?

A8: 380V 50HZ we can delivery the goods within 7-15 days. Customized items we will delivery within 25-30 days.

 

Q9: Which payment term can you accept?

A9: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc.

 

Q10: Which trade term can you accept?

A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
air-compressor

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China 16bar 22kw 30HP Permanent Magnet AC Power VSD Rotary Screw Air Compressor China 16bar 22kw 30HP Permanent Magnet AC Power VSD Rotary Screw Air Compressor

China Factory Sale China High Air Power CZPT 7.5kw 11kw 15kw 8bar 16bar Electric AC Rotary Oil-Injected Screw Air Compressor

Product Description

1. Description

Factory price 7.5 Kw 39 Cfm 116 psi Stationary Combined/Integrated Screw Air Compressor
1) MCS-11ATD
2) Power: 7.5kw/10HP
3) Capacity: 1.1m3/min for 8bar
4) With air cooling or water cooling
5) Motor Efficiency Class:IE5/IE4/IE3/IE2 as per your required
6) Motor Protection Class: IP23/IP54/IP55 or as per your required

2. Detail Structure for the Screw Compressor


1) Superior Air Filter
•Superior air filter with two-stage dust removal and filtering system with efficiency of up to 99.9% even in heavy-duty environments.
•Extends the service life of the compressor parts and components, ensures high air quality.     

2) Premium Efficiency Drive Motor
•Premium efficiency Totally Enclosed Fan Cooled IP54/IP55 motor (Class F insulation) protects against dust and chemicals etc.
•Long-term stable operation even in harsh environments up to 55ºC (131ºF)

3) Smart Controller
•Increased reliability: durable keyboard, user-friendly, multilingual user interface.
•Improved ease of use: intuitive navigation system with main operation conditions include warning indications, maintenance scheduling etc


4) Intelligent Control and Protection
•Schneider electrical elements with original package from Germany, safe and reliable
•Reasonable, simple and clear wiring, easy for maintenance
•Good protection function ensures the stable running of the compressor unit

5) Heavy-duty Oil Filter
•Heavy-duty oil filter with excellent oil purification capability ensures a clean and safe oil system
•Long service period and easy filter change reduce maintenance costs

6) Stainless Steel Oil Pipe & Air Pipe system
•Stainless steel High temperature resistant (45712006 

Web: mikovs  
 

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China Factory Sale China High Air Power CZPT 7.5kw 11kw 15kw 8bar 16bar Electric AC Rotary Oil-Injected Screw Air Compressor China Factory Sale China High Air Power CZPT 7.5kw 11kw 15kw 8bar 16bar Electric AC Rotary Oil-Injected Screw Air Compressor

China Two Stage AC Power Permanent Magnet Frequency Conversion VSD Rotary Screw Air Compressor

Product Description

Product Description

More efficient, energy-saving, and ecologically friendly
Runningway uses innovative processing equipment from around the world to assure product stability and dependability.
To manufacture high-quality products, we use top-of-the-line production equipment, testing equipment, and cutting-edge technology.
Every step in the R&D and production chain is continually innovating, resulting in the launch of high-quality air compressors.

Efficiency Saving Energy Air End Screw
The air end features a big rotor with a low speed and 2 independent compression units.
High efficiency and dependability Low vibration and low noise. Per stage, there is a low compression ratio. Volumetric efficiency is improved. Leakage is reduced. The shaft bears less force and has a longer life since the same power is used by 2 heads to bear the load.
The air end has a large rotor that rotates slowly and comprises 2 separate compression units. It has a high efficiency, low noise, low vibration, and high reliability, as well as a low compression ratio in each stage, reduced leakage, and a higher volume efficiency. Two units take the load under the same power, reducing the stress on each bearing and extending the life of the part.

Permanent magnet motors that save energy
The main motors are energy efficient IP54 rated permanent magnet motors that have been carefully chosen to meet the needs of the air compressor application, all of which meet national level energy efficiency standards, torque, and load to meet specific design criteria in order to optimize motor efficiency and power factor under load conditions. Other motor efficiencies are about 5-8 percent better than this optimum factor.

Oil separation system with high efficiency and low energy consumption
Oil filter, low pressure drop design, service life of up to 4000 hours, high filtration accuracy to effectively protect the bearings and screw machine rotor, high efficiency oil and gas separator, special simplified design, aggregated separation core and the composition of the oil return device, service life of 6000 hours, oil filter, low pressure drop design, service life of up to 4000 hours, high filtration accuracy to effectively protect the bearings and screw machine rotor Air filter, no need to alter air flow direction when filtering, air flows directly through the filter media, reducing pressure loss, more energy efficient than standard air filters, larger filter area, higher precision, longer life.

The cooling system is well-designed.
Adopt a high efficiency warp type large area heat exchange cooler with a 30% heat exchange surplus for greater cooling effect and the ability to work normally in temperatures as low as 45°C.

The cooling system is well-designed.
Adopt a high efficiency warp type large area heat exchange cooler with a 30% heat exchange surplus for greater cooling effect and the ability to work normally in temperatures as low as 45°C.

Control system for intelligent microcomputers
Simple operation, Chinese/English, traditional Chinese switching, air filter/oil filter/oil air separator/lubricant, intelligent monitoring and management of use time, and a variety of remote monitoring functions for users to select from.

Single-stage compressor with permanent magnets
The new energy-saving arrangement uses 20% less energy than traditional industrial frequency machines.
Converter of frequencies
A frequency-controlled transmission system is created by using a general-purpose frequency converter, which saves energy, lowers manufacturing costs, increases worker productivity, and improves product quality.

Because the inverter screw compressor makes use of the inverter’s stepless speed control feature, it can achieve rapid pressure adjustment and control, and air pressure stability is improved exponentially; because the inverter adjusts the motor speed in real time based on actual air consumption, it can also let the compressor sleep automatically when the air consumption is low, which saves energy.Because the operation frequency is lower than the working frequency during steady operation, mechanical noise is reduced and mechanical wear and tear is minimal; the air storage tank’s capacity is limited.
 

Product Parameters

Model Pressure Capacity Power Outlet Pipe Diameter Noise Dimension Weight
bar(g) psig m3/min cfm kw hp mm dB(A) L(mm) W(mm) H(mm) kg
RHPS22-7A 7 101 4.2 148.32 22 29.49 Rp1 68 1530 1050 1300 650
RHPS22-8A 8 116 4.1 144.79
RHPS22-10A 10 145 3.5 123.6
RHPS22-13A 13 188 3.2 113.01
RHPS30-7A 7 101 6.5 229.55 30 40.21 R1.1/2 68 1660 1200 1400 800
RHPS30-8A 8 116 6.4 226.01
RHPS30-10A 10 145 4.9 173.04
RHPS30-13A 13 188 4.2 148.32
RHPS37-7A 7 101 7.2 254.27 37 49.6 R1.1/2 68 1660 1200 1400 850
RHPS37-8A 8 116 7.1 250.73
RHPS37-10A 10 145 6.3 222.48
RHPS37-13A 13 188 5.4 190.70 
RHPS45-7A 7 101 9.8 346.08 45 60.32 Rp2 74 2200 1400 1700 1800
RHPS45-8A 8 116 9.7 342.55
RHPS45-10A 10 145 7.8 275.45
RHPS45-13A 13 188 6.5 229.55
RHPS55-7A 7 101 12.8 452.03 55 73.73 Rp2 74 2200 1400 1700 1880
RHPS55-8A 8 116 12.5 441.43
RHPS55-10A 10 145 9.6 339.02
RHPS55-13A 13 188 8.6 303.71
RHPS75-7A 7 101 17.3 610.94 75 100.54 Rp2 74 2200 1400 1700 2000
RHPS75-8A 8 116 16.3 575.63
RHPS75-10A 10 145 12.4 437.90 
RHPS75-13A 13 188 11.0  388.46
RHPS90-7A 7 101 20.8 734.54 90 120.64 R2.1/2 74 2500 1700 1900 2800
RHPS90-8A 8 116 19.8 699.23
RHPS90-10A 10 145 16.9 596.82
RHPS90-13A 13 188 14.3 505.00 
RHPS110-7A 7 101 24.5 865.21 110 147.45 R2.1/2 78 2500 1700 1900 3100
RHPS110-8A 8 116 23.5 829.89
RHPS110-10A 10 145 19.7 695.70 
RHPS110-13A 13 188 17.6 621.54
RHPS132-7A 7 101 30.0  1059.44 132 176.94 R2.1/2 78 2500 1700 1900 3300
RHPS132-8A 8 116 28.0  988.81
RHPS132-10A 10 145 23.5 829.89
RHPS132-13A 13 188 19.8 699.23
RHPS160-7A 7 101 34.5 1218.36 160 214.48 DN80 82 3700 2200 2400 3800
RHPS160-8A 8 116 33.6 1186.57
RHPS160-10A 10 145 30.0  1059.44
RHPS160-13A 13 188 23.8 840.49
RHPS185-7A 7 101 41.0  1447.90  185 247.99 DN100 82 3700 2200 2400 4100
RHPS185-8A 8 116 38.4 1356.08
RHPS185-10A 10 145 32.5 1147.73
RHPS185-13A 13 188 28.6 1571.00 
RHPS220-7A 7 101 48.6 1716.29 220 294.91 DN100 84 3700 2200 2400 5100
RHPS220-8A 8 116 47.0  1659.79
RHPS220-10A 10 145 40.0  1412.59
RHPS220-13A 13 188 38.0  1341.96
RHPS250-7A 7 101 55.0  1942.31 250 335.12 DN100 84 3700 2200 2400 5600
RHPS250-8A 8 116 50.0  1765.73
RHPS250-10A 10 145 45.0  1589.16
RHPS250-13A 13 188 40.0  1412.59

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
air-compressor

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China Two Stage AC Power Permanent Magnet Frequency Conversion VSD Rotary Screw Air Compressor China Two Stage AC Power Permanent Magnet Frequency Conversion VSD Rotary Screw Air Compressor

China Primary Singel Stage Pressure AC Power Permanent Magnet Frequency Conversion Oil Lubricated Rotary Screw Air Compressor

Product Description

Product Description

More efficient, energy-saving, and ecologically friendly
Runningway uses innovative processing equipment from around the world to assure product stability and dependability.
To manufacture high-quality products, we use top-of-the-line production equipment, testing equipment, and cutting-edge technology.
Every step in the R&D and production chain is continually innovating, resulting in the launch of high-quality air compressors.

Efficiency Saving Energy Air End Screw
The air end features a big rotor with a low speed and 2 independent compression units.
High efficiency and dependability Low vibration and low noise. Per stage, there is a low compression ratio. Volumetric efficiency is improved. Leakage is reduced. The shaft bears less force and has a longer life since the same power is used by 2 heads to bear the load.
The air end has a large rotor that rotates slowly and comprises 2 separate compression units. It has a high efficiency, low noise, low vibration, and high reliability, as well as a low compression ratio in each stage, reduced leakage, and a higher volume efficiency. Two units take the load under the same power, reducing the stress on each bearing and extending the life of the part.

Permanent magnet motors that save energy
The main motors are energy efficient IP54 rated permanent magnet motors that have been carefully chosen to meet the needs of the air compressor application, all of which meet national level energy efficiency standards, torque, and load to meet specific design criteria in order to optimize motor efficiency and power factor under load conditions. Other motor efficiencies are about 5-8 percent better than this optimum factor.

Oil separation system with high efficiency and low energy consumption
Oil filter, low pressure drop design, service life of up to 4000 hours, high filtration accuracy to effectively protect the bearings and screw machine rotor, high efficiency oil and gas separator, special simplified design, aggregated separation core and the composition of the oil return device, service life of 6000 hours, oil filter, low pressure drop design, service life of up to 4000 hours, high filtration accuracy to effectively protect the bearings and screw machine rotor Air filter, no need to alter air flow direction when filtering, air flows directly through the filter media, reducing pressure loss, more energy efficient than standard air filters, larger filter area, higher precision, longer life.

The cooling system is well-designed.
Adopt a high efficiency warp type large area heat exchange cooler with a 30% heat exchange surplus for greater cooling effect and the ability to work normally in temperatures as low as 45°C.

The cooling system is well-designed.
Adopt a high efficiency warp type large area heat exchange cooler with a 30% heat exchange surplus for greater cooling effect and the ability to work normally in temperatures as low as 45°C.

Control system for intelligent microcomputers
Simple operation, Chinese/English, traditional Chinese switching, air filter/oil filter/oil air separator/lubricant, intelligent monitoring and management of use time, and a variety of remote monitoring functions for users to select from.

Single-stage compressor with permanent magnets
The new energy-saving arrangement uses 20% less energy than traditional industrial frequency machines.
Converter of frequencies
A frequency-controlled transmission system is created by using a general-purpose frequency converter, which saves energy, lowers manufacturing costs, increases worker productivity, and improves product quality.

Because the inverter screw compressor makes use of the inverter’s stepless speed control feature, it can achieve rapid pressure adjustment and control, and air pressure stability is improved exponentially; because the inverter adjusts the motor speed in real time based on actual air consumption, it can also let the compressor sleep automatically when the air consumption is low, which saves energy.Because the operation frequency is lower than the working frequency during steady operation, mechanical noise is reduced and mechanical wear and tear is minimal; the air storage tank’s capacity is limited.
 

Product Parameters

Model Pressure Capacity Power Outlet Pipe Diameter Noise Dimension Weight
bar(g) psig m3/min cfm kw hp mm dB(A) L(mm) W(mm) H(mm) kg
RHP7.5-7A 7 101 1.2 42.38 7.5 10.05 Rp1/2 66 900 700 900 180
RHP7.5-8A 8 116 1.1 38.85
RHP7.5-10A 10 145 1 35.31
RHP11-7A 7 101 1.7 60.03 11 14.75 Rp3/4 66 1100 750 1000 250
RHP11-8A 8 116 1.5 52.97
RHP11-10A 10 145 1.3 45.91
RHP15-7A 7 101 2.5 88.29 15 20.11 Rp3/4 66 1100 750 1000 260
RHP15-8A 8 116 2.3 81.22
RHP15-10A 10 145 2.1 74.16
RHP22-7A 7 101 3.7 130.66 22 29.49 Rp1 68 1100 850 1200 350
RHP22-8A 8 116 3.6 127.13
RHP22-10A 10 145 3.4 120.07
RHP30-7A 7 101 5.3 187.17 30 40.21 R1.1/2 72 1200 1000 1400 500
RHP30-8A 8 116 5.0  176.57
RHP30-10A 10 145 4.5 158.92
RHP37-7A 7 101 6.6 233.08 37 49.60  R1.1/2 72 1200 1000 1400 520
RHP37-8A 8 116 6.3 222.48
RHP37-10A 10 145 5.3 187.17
RHP45-7A 7 101 8.2 289.58 45 60.32 R1.1/2 72 1500 1000 1350 590
RHP45-8A 8 116 7.5 264.86
RHP45-10A 10 145 6.8 240.14
RHP55-7A 7 101 10.7 377.87 55 73.73 Rp2 78 1800 1250 1700 1680
RHP55-8A 8 116 9.7 342.55
RHP55-10A 10 145 9.2 324.89
RHP75-7A 7 101 14.1 497.94 75 100.54 Rp2 78 1800 1250 1700 1800
RHP75-8A 8 116 13.1 462.62
RHP75-10A 10 145 11.7 413.18
RHP90-7A 7 101 16.6 586.22 90 120.64 Rp2 83 2000 1250 1700 1860
RHP90-8A 8 116 15.7 554.44
RHP90-10A 10 145 13.7 483.81
RHP110-7A 7 101 22.0  776.92 110 147.45 Rp2.1/2 85 2300 1500 1850 2600
RHP110-8A 8 116 21.5 759.27
RHP110-10A 10 145 18.2 642.73
RHP132-7A 7 101 25.0  882.87 132 176.94 Rp2.1/2 85 2300 1500 1850 2800
RHP132-8A 8 116 24.2 854.61
RHP132-10A 10 145 22.1 780.45

 

What to Look For When Buying an Air Compressor

An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.
air-compressor

Single-stage air compressors are quieter

When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours.
While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport.
Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy.
Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you.
One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
air-compressor

Two-stage air compressors are more energy efficient

Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors.
Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice.
Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors.
Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.

Piston-driven air compressors are quieter

A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet.
Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool.
Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’.
Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
air-compressor

Oil-lubricated air compressors are more cost-effective

There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place.
Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.

China Primary Singel Stage Pressure AC Power Permanent Magnet Frequency Conversion Oil Lubricated Rotary Screw Air Compressor China Primary Singel Stage Pressure AC Power Permanent Magnet Frequency Conversion Oil Lubricated Rotary Screw Air Compressor

China 7.5kw 10HP 8bar Power Portable Screw Type Air Compressor

Product Description

FIXED SPEED SCREW AIR COMPRESSOR

* High efficiency power-saving

* Durable and humanized filter components
 

* Independent research and development of IP54 motor

Model

Power KW

Power HP

Air flow L/min

Pressure  bar

Drive Mode 

SA-10A

7.5

10

1.2/1.1/0.95/0.8

7/8/10/12

Direct
   SA-15A

11

15

1.65/1.5/1.3/1.1

7/8/10/12

Direct

SA-20A

15

20

2.5/2.3/2.1/1.72

7/8/10/12

Direct

SA-25A

18.5

25

3.2/3.0/2.7/2.4

7/8/10/12

Direct

SA-30A

22

30

3.8/3.6/3.2/2.7

7/8/10/12

Direct

SA-40A

30

40

5.3/5.0/4.5/4.0

7/8/10/12

Direct

SA-50A

37

50

6.8/6.2/5.6/5.0

7/8/10/12

Direct

SA-75A

55

75

10/9.6/8.5/7.6

7/8/10/12

Direct

SA-100A

75

100

13.4/12.6/11.2/10.0

7/8/10/12

Direct

SA-150A

110

150

21/19.8/17.4/14.8

7/8/10/12

Direct

SA-175A

132

175

24.5/23.2/20.5/17.4

7/8/10/12

Direct

FAQ:

Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
  
Q2: How about the warranty terms of your machine?
A2: One year for the whole machine and 2 years for screw air end, except consumble spare parts.
 
Q3: Could you provide some spare parts of the machines?
A3: Yes, we can offer.
 
Q4: What about product package?
A4: We will pack the products strictly with standard wooden carton.
 
Q5: Can you customized the voltage of products?
A5: Yes, the voltage can be customized according to your requirement. Like 380V/60HZ, 415V/50HZ, 220V/60HZ and so on.
 
Q6: Can you provide samples?
A6: Yes, we cam provide samples.
 
Q7: How long will you take to arrange production?
A7: Regular model within 7-15 days. Customized model within 25-30 days.

Q8: How about your customer service?
A8: 24 hours on-line service available. 48 hours problem solved promise.
 
Q9: Which payment term can you accept?
A9: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
 
Q10: Which trade term can you accept?
A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

 

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
air-compressor

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China 7.5kw 10HP 8bar Power Portable Screw Type Air Compressor China 7.5kw 10HP 8bar Power Portable Screw Type Air Compressor

China 15kw 20HP Rotary AC Power Electric Air Cooled Frequency Inverter Single Stage Belt Driven with CZPT Air End Industrial Screw Air Compressors for Sale

Product Description

 

 

ZIQI Single Stage Screw Air Compressor Advantages:

A.80% components of CZPT 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 CZPT 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.

 

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 15kw 20HP Rotary AC Power Electric Air Cooled Frequency Inverter Single Stage Belt Driven with CZPT Air End Industrial Screw Air Compressors for Sale China 15kw 20HP Rotary AC Power Electric Air Cooled Frequency Inverter Single Stage Belt Driven with CZPT Air End Industrial Screw Air Compressors for Sale

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

Product Description

Moair Grey Color An IE3 Motor 45kw/60HP Working Power Direct Drive Screw Air Compressor with High Quality

Product Description

Equipped with an IE3 motor, the direct drive rotary screw air compressor consists of a high-accuracy screw and high-quality casting, with a wide variable range of parameters.

Product Parameters

 

 

Model Power(kW) Air delivery/Discharge pressure (m3/min) / (Mpa)
MFG30A 22 3.44/0.8
MFG40A 30 5.62/0.8
MFG50A 37 6.35/0.8
MFG60A 45 7.35/0.8
MFG75A 55 9.62/0.8
MFG100A 75 12.8/0.8
MFG120A 90 15.3/0.8
MFG150A 110 18.6/0.8
MFG150W 110 18.6/0.8
MFG175A 132 21.5/0.8
MFG175W 132 21.5/0.8
MFG200A 160 25.8/0.8
MFG200W 160 25.8/0.8
MFG250A 185 28.5/0.8
MFG250W 185 28.5/0.8
MFG300A 220 35.3/0.8
MFG300W 220 35.3/0.8
MFG350A 250 43.2/0.8
MFG350W 250 43.2/0.8

 

Company Profile

FAQ

Q1: What ‘s your factory address
A2: Our company is located in NO.88 CZPT Road,HangZhou ,ZheJiang ,China

Q2: How long is our delivery
A2: Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

Q3: Can you accept OEM orders? 
A3: Yes, with professional design team, OEM orders are highly welcome.

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 1 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.
air-compressor

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 2 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 1 square inch of air. These 2 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 CZPT Grey Color an Ie3 Motor 45kw/60HP Working Power Direct Drive Screw Air Compressor with High Quality China CZPT Grey Color an Ie3 Motor 45kw/60HP Working Power Direct Drive Screw Air Compressor with High Quality