Tag Archives: mini screw

China Custom Strong Adaptability Hf32/10 (K) Mini 10bar Screw Air Compressor for Railway air compressor repair near me

Product Description

Product Description

Application

Diesel mobile screw air compressors are widely used in highway, railway, mining, water conservancy, shipbuilding, urban construction, energy, military and other industries.

Features

* Main engine: large-diameter rotor design, the main engine and the diesel engine are directly connected through a highly elastic coupling, and there is no speed-increasing gear in the middle between them engine. The main engine rotates at the same speed as the diesel engine, with higher efficiency, better reliability and longer life.

* Diesel engine: Cummins, CHINAMFG and other famous domestic and foreign diesel engines are selected, which meet the national II emission requirements. With strong power, low fuel consumption, and nationwide after-sales service system, users can get rapid and comprehensive services.

* The air volume control system is simple and reliable. According to the size of the air volume, the air intake volume is automatically adjusted from 0 to 100%, and the diesel throttle is automatically adjusted at the same time, which greatly saves diesel oil.

* The microcomputer intelligently monitors air compressor exhaust pressure, exhaust temperature, diesel engine speed, oil pressure, water temperature, fuel tank level and other operating parameters.

* Multi-stage air filter, suitable for dusty working environment. Multi-stage fuel filter, suitable for the current status of domestic oil quality. Oversized oil-water cooler, suitable for high temperature and plateau environments.

* Spacious maintenance and repair door, all parts needed to be maintained are within easy reach. The maintenance of air filters, oil filters, fuel tanks, batteries and oil coolers is easy and convenient, reducing downtime.

* Easy to move, it can still move flexibly under the harsh terrain conditions. Each compressor is equipped with lifting rings for safe and convenient lifting and transportation.

Product Parameters

Model

HF32/10(K)

HF32/10(K)

Air displacement

32m3/min

32m3/min

Air pressure

10bar

10bar

Engine model

Yuchai YC6M395L-K20

Cummins

6LTAA8.9-C360

Power

288kw/395HP

265kw/360HP

Dimension

4250×2000×2400mm

4250×2000×2400mm

Weight

5200kg

5200kg

Working Site

Company Profile

FAQ

1.Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.

2. Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.

3.How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.

4. Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.

5. What about the qaulity warranty?
We offer one-year quality warranty for machines’ main body.

6. How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.

After-sales Service: Online Support, Field Maintenance
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal
Samples:
US$ 35000/Set
1 Set(Min.Order)

|
Request Sample

air compressor

How are air compressors employed in the petrochemical industry?

Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:

1. Instrumentation and Control Systems:

Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.

2. Pneumatic Tools and Equipment:

Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.

3. Process Air and Gas Supply:

Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.

4. Cooling and Ventilation:

Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.

5. Nitrogen Generation:

Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.

6. Instrument Air:

Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.

By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.

air compressor

How do you maintain proper air quality in compressed air systems?

Maintaining proper air quality in compressed air systems is essential to ensure the reliability and performance of pneumatic equipment and the safety of downstream processes. Here are some key steps to maintain air quality:

1. Air Filtration:

Install appropriate air filters in the compressed air system to remove contaminants such as dust, dirt, oil, and water. Filters are typically placed at various points in the system, including the compressor intake, aftercoolers, and before point-of-use applications. Regularly inspect and replace filters to ensure their effectiveness.

2. Moisture Control:

Excessive moisture in compressed air can cause corrosion, equipment malfunction, and compromised product quality. Use moisture separators or dryers to remove moisture from the compressed air. Refrigerated dryers, desiccant dryers, or membrane dryers are commonly employed to achieve the desired level of dryness.

3. Oil Removal:

If the compressed air system utilizes oil-lubricated compressors, it is essential to incorporate proper oil removal mechanisms. This can include coalescing filters or adsorption filters to remove oil aerosols and vapors from the air. Oil-free compressors eliminate the need for oil removal.

4. Regular Maintenance:

Perform routine maintenance on the compressed air system, including inspections, cleaning, and servicing of equipment. This helps identify and address any potential issues that may affect air quality, such as leaks, clogged filters, or malfunctioning dryers.

5. Air Receiver Tank Maintenance:

Regularly drain and clean the air receiver tank to remove accumulated contaminants, including water and debris. Proper maintenance of the tank helps prevent contamination from being introduced into the compressed air system.

6. Air Quality Testing:

Periodically test the quality of the compressed air using appropriate instruments and methods. This can include measuring particle concentration, oil content, dew point, and microbial contamination. Air quality testing provides valuable information about the effectiveness of the filtration and drying processes and helps ensure compliance with industry standards.

7. Education and Training:

Educate personnel working with compressed air systems about the importance of air quality and the proper procedures for maintaining it. Provide training on the use and maintenance of filtration and drying equipment, as well as awareness of potential contaminants and their impact on downstream processes.

8. Documentation and Record-Keeping:

Maintain accurate records of maintenance activities, including filter replacements, drying system performance, and air quality test results. Documentation helps track the system’s performance over time and provides a reference for troubleshooting or compliance purposes.

By implementing these practices, compressed air systems can maintain proper air quality, minimize equipment damage, and ensure the integrity of processes that rely on compressed air.

air compressor

What maintenance is required for air compressors?

Maintaining air compressors is essential to ensure their optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, improves efficiency, and reduces the risk of accidents. Here are some key maintenance tasks for air compressors:

1. Regular Inspection: Perform visual inspections of the air compressor to identify any signs of wear, damage, or leaks. Inspect the compressor, hoses, fittings, and connections for any abnormalities. Pay attention to oil leaks, loose bolts, and worn-out components.

2. Oil Changes: If your air compressor has an oil lubrication system, regular oil changes are crucial. Follow the manufacturer’s recommendations for the frequency of oil changes and use the recommended oil type. Dirty or degraded oil can impact compressor performance and lead to premature wear.

3. Air Filter Cleaning or Replacement: Clean or replace the air filter regularly to ensure proper air intake and prevent contaminants from entering the compressor. Clogged or dirty filters can restrict airflow and reduce efficiency.

4. Drain Moisture: Air compressors produce moisture as a byproduct of the compression process. Accumulated moisture in the tank can lead to rust and corrosion. Drain the moisture regularly from the tank to prevent damage. Some compressors have automatic drains, while others require manual draining.

5. Belt Inspection and Adjustment: If your compressor has a belt-driven system, inspect the belts for signs of wear, cracks, or tension issues. Adjust or replace the belts as necessary to maintain proper tension and power transmission.

6. Tank Inspection: Inspect the compressor tank for any signs of corrosion, dents, or structural issues. A damaged tank can be hazardous and should be repaired or replaced promptly.

7. Valve Maintenance: Check the safety valves, pressure relief valves, and other valves regularly to ensure they are functioning correctly. Test the valves periodically to verify their proper operation.

8. Motor and Electrical Components: Inspect the motor and electrical components for any signs of damage or overheating. Check electrical connections for tightness and ensure proper grounding.

9. Keep the Area Clean: Maintain a clean and debris-free area around the compressor. Remove any dirt, dust, or obstructions that can hinder the compressor’s performance or cause overheating.

10. Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s manual for specific maintenance instructions and recommended service intervals for your air compressor model. They provide valuable information on maintenance tasks, lubrication requirements, and safety precautions.

Regular maintenance is vital to keep your air compressor in optimal condition and extend its lifespan. It’s also important to note that maintenance requirements may vary depending on the type, size, and usage of the compressor. By following a comprehensive maintenance routine, you can ensure the reliable operation of your air compressor and maximize its efficiency and longevity.

China Custom Strong Adaptability Hf32/10 (K) Mini 10bar Screw Air Compressor for Railway   air compressor repair near meChina Custom Strong Adaptability Hf32/10 (K) Mini 10bar Screw Air Compressor for Railway   air compressor repair near me
editor by CX 2023-10-17

China manufacturer Rotary Screw Air Compressor Factory Twin for Sale mini air compressor

Product Description

 

Product Description

With CE and Class 0 certification, the CZPT dry rotary screw oil-free air compressor can provide you with 100% oil-free air and ensure the safety of your manufacturing line. Power ranges from 37 to 315 kilowatts.
Runningway fixed speed dry oil-free screw air compressor can provide oil-free air for a long time. Can provide you with a steady supply of air.
The CZPT VSD dry oil-free screw air compressor may provide variable frequency air to a system. Saving money allows you to meet your various air capacity requirements. The air capacity ranges between 2.6 and 51.5 m3/min.

 

Product Parameters

Model Maximum Working Pressure Capacity(FAD)* Installed Motor Power Cooling Method Noise Level Air Outlet Pipe
Diameter
Dimension Weight
50hz
bar(g) psig m3/min cfm kw hp dB(A) L W H kg
RF37-7A(W) 7 102 6.5 229.5 37 50 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2000
RF37-8A(W) 8 116 6.4 226 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2000
RF37-10A(W) 10 145 6.3 222.4 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2000
RF45-7A(W) 7 102 7.7 271.8 45 60 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2100
RF45-8A(W) 8 116 6.5 229.5 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2100
RF45-10A(W) 10 145 6.8 240.1 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2100
RF55-7A(W) 7 102 9.6 339 55 75 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2000
RF55-8A(W) 8 116 8.8 310.7 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2000
RF55-10A(W) 10 145 7.7 271.9 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2000
RF75-7A(W) 7 102 13.5 476.7 75 100 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2100
RF75-8A(W) 8 116 13.3 469.6 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2100
RF75-10A(W) 10 145 12.1 427.3 Air Cooling 70 DN50 2160 1450 2200 1900
Water Cooling 63 DN80 2180 1450 2200 2100
RF90-7A(W) 7 102 16.2 572 90 120 Air Cooling 70 DN50 2160 1450 2200 2000
Water Cooling 63 DN80 2180 1450 2200 2100
RF90-8A(W) 8 116 15.6 550.9 Air Cooling 70 DN50 2160 1450 2200 2000
Water Cooling 63 DN80 2180 1450 2200 2100
RF90-10A(W) 10 145 14.2 501.4 Air Cooling 70 DN50 2160 1450 2200 2000
Water Cooling 63 DN80 2180 1450 2200 2100
RF110-7A(W) 7 102 19.5 688.6 110 150 Air Cooling 69 DN80 4050 1650 2000 3700
Water Cooling 67 DN80 2550 1650 2000 2700
RF110-8A(W) 8 116 19.2 678 Air Cooling 69 DN80 4050 1650 2000 3700
Water Cooling 67 DN80 2550 1650 2000 2700
RF110-10A(W) 10 145 17.5 618 Air Cooling 69 DN80 4050 1650 2000 3700
Water Cooling 67 DN80 2550 1650 2000 2700
RF132-7A(W) 7 102 23.5 829.8 132 175 Air Cooling 70 DN80 4050 1650 2000 3700
Water Cooling 67 DN80 2550 1650 2000 2800
RF132-8A(W) 8 116 22.8 805.1 Air Cooling 70 DN80 4050 1650 2000 3700
Water Cooling 67 DN80 2550 1650 2000 2800
RF132-10A(W) 10 145 20.5 723.9 Air Cooling 70 DN80 4050 1650 2000 3700
Water Cooling 67 DN80 2550 1650 2000 2800
RF145-7A(W) 7 102 23.9 844 145 195 Air Cooling 70 DN80 4050 1650 2000 3800
Water Cooling 68 DN80 2550 1650 2000 2900
RF145-8A(W) 8 116 22.1 780.4 Air Cooling 70 DN80 4050 1650 2000 3800
Water Cooling 68 DN80 2550 1650 2000 2900
RF145-10A(W) 10 145 20.5 723.9 Air Cooling 70 DN80 4050 1650 2000 3800
Water Cooling 68 DN80 2550 1650 2000 2900
RF160-7A(W) 7 102 28.5 1006.4 160 215 Air Cooling 75 DN80 5040 1650 2100 5300
Water Cooling 67 DN80 3100 1650 2000 2900
RF160-8A(W) 8 116 26.4 932.3 Air Cooling 75 DN80 5040 1650 2100 5300
Water Cooling 67 DN80 3100 1650 2000 2900
RF160-10A(W) 10 145 24.5 865.2 Air Cooling 76 DN80 5040 1650 2100 5300
Water Cooling 67 DN80 3100 1650 2000 2900
RF200-7A(W) 7 102 36.1 1274.8 200 270 Air Cooling 76 DN80 5040 1650 2100 5400
Water Cooling 65 DN80 3100 1650 2000 4000
RF200-8A(W) 8 116 33.9 1197.1 Air Cooling 76 DN80 5040 1650 2100 5400
Water Cooling 65 DN80 3100 1650 2000 4000
RF200-10A(W) 10 145 30.8 1087.6 Air Cooling 76 DN80 5040 1650 2100 5400
Water Cooling 67 DN80 3100 1650 2000 4000
RF250-7A(W) 7 102 45.2 1596.2 250 350 Air Cooling 75 DN80 5040 1650 2100 5500
Water Cooling 65 DN80 3100 1650 2000 4100
RF250-8A(W) 8 116 43.4 1532.6 Air Cooling 76 DN80 5040 1650 2100 5500
Water Cooling 65 DN80 3100 1650 2000 4100
RF250-10A(W) 10 145 38.8 1370.2 Air Cooling 76 DN80 5040 1650 2100 5500
Water Cooling 65 DN80 3100 1650 2000 4100
RF275-7A(W) 7 102 46.8 1652.7 275 370 Air Cooling 76 DN80 5040 1650 2100 5500
Water Cooling 65 DN80 3100 1650 2000 4200
RF275-8A(W) 8 116 43.5 1536.1 Air Cooling 76 DN80 5040 1650 2100 5500
Water Cooling 65 DN80 3100 1650 2000 4200
RF275-10A(W) 10 145 41.5 1465.5 Air Cooling 76 DN80 5040 1650 2100 5500
Water Cooling 65 DN80 3100 1650 2000 4200
RF315-7A(W) 7 102 53 1871.6 315 420 Air Cooling 76 DN80 5040 1650 2100 5800
Water Cooling 65 DN80 3100 1650 2000 4400
RF315-8A(W) 8 116 51.5 1818.7 Air Cooling 76 DN80 5040 1650 2100 5800
Water Cooling 65 DN80 3100 1650 2000 4400
RF315-10A(W) 10 145 49.5 1748 Air Cooling 76 DN80 5040 1650 2100 5800
Water Cooling 65 DN80 3100 1650 2000 4400

Detailed Photos

 

After-sales Service: on Line Support
Warranty: 1 Year
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

|

air-compressor

The Air Compressor Is a Versatile Tool

The Air Compressor is one of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.

Oil-injected

Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components.
Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation.
The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer.
An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.

Oil-free

What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users.
First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search.
Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models.
An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?
air-compressor

Gasoline

When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications.
Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.

Electricity

Electricity in an air compressor is not cheap. A 25 HP air compressor runs for ten hours each day, five days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for three hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month.
The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to four thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless.
Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.
air-compressor

Variable frequency drive

The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous.
A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment.
When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range.
The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of six to seven bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is one of the best investments in your compressor. So, why wait any longer?

China manufacturer Rotary Screw Air Compressor Factory Twin for Sale   mini air compressorChina manufacturer Rotary Screw Air Compressor Factory Twin for Sale   mini air compressor
editor by CX 2023-06-12

China OEM Air Compressor 0.4MPa 42m3/Min 185kw 250HP 4bar Tr185wl Low Pressure Oilfree Screw Air Compressor mini air compressor

Product Description

Lead Time

Product Description

TR185WL 0.4Mpa 4Bar 42m3/min 185KW screw type energy-saving low pressure oil free air compressor

Specifications
 

Model Maximum working Pressure FAD Motor Power Noise Pipe diameters of cooling water in and out Quantity of  Quantity of lubricating water Dimension Weight Air outlet
cooling water
 Inlet water L*W*H
32ºC 
Mpa M3/min KW/HP DB  T/H L mm KG
TR30A/WL 0.4 6.7 30/40 66 1 1/2″ 7 50 1650*1180*1505(A)
15.4) optimized design, large rotor, low rotary speed (within 3000r/min), without the gearbox.

direct connection drive, it has a lower rotary speed and longer life compared with dry oil-free screw air compressor(10000r/min-20000r/min).

12. Automatic Cleaning System

The function of automatic water exchange and automatic system cleaning can be realized, and the interior of the compressor is more clean and sanitary.
 

Introduction

Company Information

Package Delivery

 

BACK HOME

Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Single Screw Compressor
Samples:
US$ 86800/set(s)
1 set(s)(Min.Order)

|
Request Sample

Customization:
Available

|

air-compressor

Choose an Air Compressor for Your Business

There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.

Positive displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are two different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
air-compressor

Single-stage

The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only one cylinder, which means one stroke is required to move air from one cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the one with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of ​​the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have one air intake, and two-stage air compressors have two air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
air-compressor

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The two water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers two models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and two universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China OEM Air Compressor 0.4MPa 42m3/Min 185kw 250HP 4bar Tr185wl Low Pressure Oilfree Screw Air Compressor   mini air compressorChina OEM Air Compressor 0.4MPa 42m3/Min 185kw 250HP 4bar Tr185wl Low Pressure Oilfree Screw Air Compressor   mini air compressor
editor by CX 2023-06-07

China Kompressur Arja Piston Rotary Free Part Parts Screw Oilless High Pressure Portable Used Industrial Dental Mini Single Movable Max AC Oil Air Pump Compressor air compressor price

Merchandise Description

Electricity:           600w Voltage:       220V
Exhaust Pressure: .8Mpa Existing:       3.0A
Frequency:      50HZ Revolving Pace: 1420rpm
Volume of Gasoline Storage Tank:   9L Cylinder:      2x55mm

Scoep of application:
Employing for Pushing Pneumatic Nail Gun, Air Screw , Spray Portray Gun to work, also use to miniature instrument, blowing dust, Air inflation for small car and so on.
Product  Attribute:

  1. Large Electrical power, high effectiveness, low power, large trustworthiness.
  2. Piston Ring: New ECO circle, low friction coefficient, Car lubricating technique.
  3. Cylinder Liner: Surface area hardening, deplete hardness, Speed up the heat transfer, long utilizing time.
  4. Suction and exhaust valve: Making use of advanced overseas technologies.
  5. A number of Force: Overload defense

 Oilless Air Compressor Featuers:
1.Super Silent
Super low sound.The output air stress is steady with out fluctuations, decreasing noise pollution.
   
     2. Protection
 
If the voltage or current cause the equipment  overheat, it will instantly shut down to defend  from burnout.
 
    3. Computerized handle

 Pressure change automatically controls the begin and quit of the machine.
   
   4. Adjustable air pressure
The air stress can be modified to fulfill the requirements of various equipment usage.

   5. Preserve human power
 
Switch on the air compressor can perform generally & routinely. It is straightforward to operate and does not want human to be on responsibility.
 
 6. Simple routine maintenance
No require to add any lubricant, straightforward servicing following buy. 

Elements Features
1.Large cast iron entire body: hefty load, long stroke, low fuel use, reduced sounds

two.Cylinder: made of high-grade solid iron, power, excellent lubricity, wall by the wonderful honing, wear-resistant, tough

3.Piston ring: good elasticity, excellent wear resistance, lower oil usage, not simple to make the valve group carbon deposition and reduction of oil to burn the crankshaft and connecting rod.

4.The crankshaft, connecting rod, piston: nicely balanced, put on resistance, higher energy, sleek running harmony.

5.Large reliable and tough valve strong aluminum alloy human body, gentle and heat.

6.The motor gives reputable power, lower voltage start up and running efficiency strong supporter cooled motor and physique specific shock evidence design and style.

seven.Double nozzles, had been utilized to direct the exhaust and strain exhaust strain switch with drive button, secure and hassle-free

8.Oil free of charge,silent,safeguard-atmosphere,suited for dental use.
 

Frequency Requested Concern

one.Are you the maker or trading firm?
We are the producer.

two.Exactly where is your manufacturing facility?
It is positioned in HangZhou City,ZHangZhoug Province,China.

three.What is actually the phrases of trade?
FOB,CFR,CIF or EXW are all satisfactory.

four.What’s the conditions of payment?
T/T,L/C at sight or funds.

5.What is actually the direct time?

In fifteen days on receipt of deposit .

6.Do you settle for sample buy?
Of course,we acknowledge.

seven.What about the price of sample?
 You have to spend the freight charge.But the cost of solution could be refundable,if you will purchase 1x20GP container in the long term.

 

Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Duplex Arrangement
Cylinder Position: Horizontal
Structure Type: Open Type
Compress Level: Double-Stage

###

Samples:
US$ 42/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Power:           600w Voltage:       220V
Exhaust Pressure: 0.8Mpa Current:       3.0A
Frequency:      50HZ Revolving Speed: 1420rpm
Volume of Gas Storage Tank:   9L Cylinder:      2x55mm
Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Duplex Arrangement
Cylinder Position: Horizontal
Structure Type: Open Type
Compress Level: Double-Stage

###

Samples:
US$ 42/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Power:           600w Voltage:       220V
Exhaust Pressure: 0.8Mpa Current:       3.0A
Frequency:      50HZ Revolving Speed: 1420rpm
Volume of Gas Storage Tank:   9L Cylinder:      2x55mm

A Buyer’s Guide to Air Compressor Types

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

Single-stage air compressors

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

Rotary vane compressors

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

Rotary vane compressors with low-noise models

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

Rotary vane compressors with two pistons

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

China Kompressur Arja Piston Rotary Free Part Parts Screw Oilless High Pressure Portable Used Industrial Dental Mini Single Movable Max AC Oil Air Pump Compressor     air compressor priceChina Kompressur Arja Piston Rotary Free Part Parts Screw Oilless High Pressure Portable Used Industrial Dental Mini Single Movable Max AC Oil Air Pump Compressor     air compressor price
editor by czh 2023-01-12

China Latest Technology Compressed Air Screw Compressor with Fine Craftsmanship mini air compressor

Merchandise Description

Latest Engineering Compressed Air Screw Compressor With Fine Craftsmanship

Solution Description

1. Reasonable and compact framework, minimal sound with tremendous Silenced enclosure. 

two. 100% steady duty operation. Load/ No Load operation. With Overload Safety Device. 

three. Air compressor has handed CE and UL certificates. All the items will be one hundred% analyzed ahead of delivery to make certain the good quality. 

4. High transmission ratio. LCD manage panel ,straightforward use and study. 

5. 1 Calendar year Guarantee for Total Equipment. Acknowledge OEM/ODM Services.

six. Voltage can be mentioned, like : 380V/50HZ /3PH 220V/ 60HZ /3PH 440V/60HZ /3PH 415V/50HZ/3PH 230V/60HZ/3PH 460V/60HZ 3PH

Our Companies
 
· Customizing the followers in accordance to customers’ requirements.
· Delivery time for sample order: 1-5 times, for pallets get 7-20 days following obtaining   clear payment
 · Warranty: 1 yr for fixing or replacement of enthusiasts, customs duty & freight not included

FAQ
 
Q: How To Purchase ?
A: Phase 1, make sure you explain to us what model and amount you require
  Step 2, then we will make a PI for you to confirm the buy specifics
  Step 3, when we verified almost everything, can arrange the payment
Phase 4, lastly we produce the merchandise in the stipulated time.
 
Q: What is the MOQ?
R: 100 parts, acknowledge sample.
 
Q: When you ship my order
R: Generally container require 15-40days, sample 3-7DAYS
 
Q: How about the high quality guarantee period of time?
R: 1 calendar year.
 
Q: Do you have the certificates?
R: Sure, we have passed the CE and CCC certification.
 
Q: Do you provide ODM & OEM provider.
R: Sure, we can personalized style for certain software.
 
Q: When can I get the quotation?
R:We usually quote in 24 hrs after we get your inquiry. If you are urgent to get the value, make sure you send out the concept on trade administration or phone us directly.
 
Q: How can I get a sample to examine your good quality?
R:Soon after value confirmed, you can require for samples to verify good quality.
If you need the samples, we will cost for the sample cost. But the sample cost can be refundable when your amount of initial buy is earlier mentioned the MOQ
 
Q: What is your main marketplace?
R:Southeast Asia, South The united states,Center East.North The us,EU
After-product sales Support
1 year guarantee for all kinds of products
If you discover any faulty components very first time, we will give you the new parts for totally free to replace in the next get, as an skilled producer, you can relaxation assured of the quality and following-product sales service.

Established in 1998,DET motor is a skilled company and exporter that is concerned with the layout, development and production of motors. We are positioned in ZheJiang  city, with convenient transportation entry. All of our items comply with international top quality expectations and are tremendously appreciated in a assortment of diverse markets all through the planet.

We have in excess of 550 staff, an annual product sales figure that exceeds USD300,000,000 and are presently exporting 50% of our generation around the world. Our effectively-geared up facilities and outstanding good quality control throughout all phases of creation allows us to assure overall buyer satisfaction.

As a consequence of our high good quality products and exceptional consumer provider, we have acquired a world-wide product sales community CZPT European.

If you are fascinated in any of our products or would like to examine a custom purchase, remember to feel free of charge to get in touch with us. We are seeking ahead to forming productive company associations with new clientele close to the planet in the near potential.

Transfer FOB/CIF
Payment TT/LC/VISA/Grasp
Port ZheJiang /HangZhou/HangZhou/HangZhou

 

Lubrication Style: Oil-free
Cooling System: Air Cooling
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Voltage: 220V/380V

###

Samples:
US$ 1486/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Transfer FOB/CIF
Payment TT/LC/VISA/MASTER
Port SHANGHAI/NINGBO/GUANGZHOU/YIWU
Lubrication Style: Oil-free
Cooling System: Air Cooling
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor
Voltage: 220V/380V

###

Samples:
US$ 1486/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Transfer FOB/CIF
Payment TT/LC/VISA/MASTER
Port SHANGHAI/NINGBO/GUANGZHOU/YIWU

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 two 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 forty percent and eighty 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 Latest Technology Compressed Air Screw Compressor with Fine Craftsmanship     mini air compressorChina Latest Technology Compressed Air Screw Compressor with Fine Craftsmanship     mini air compressor
editor by czh 2022-12-25

China Friendly Mini 8bar 15kw Rotary Screw Air Compressor air compressor oil

Merchandise Description

Friendly mini 8bar 15kw rotary screw air compressor

Friendly mini 8bar 15kw rotary screw air compressor

FAQ:

Q1: Why do consumers pick us?
A: ZheJiang OPPAIR Machinery Manufacturing Co., Ltd. has a heritage of sixteen a long time. We focus in the production of screw air compressors. We warmly welcome your small demo orders for top quality or market place testing, and we offer special companies.

Q2: Are you a producer or a trading business?
A: We are a skilled company with a huge modern factory in HangZhou, China. OEM and ODM solutions can be acknowledged.

Q3: What is your supply time?
A: 380V 50HZ We can ship inside ten times. It will take twenty times for other voltages, if you need to hurry, make sure you contact our revenue workers in progress.

Q4: How extended is the guarantee period of your air compressor?
A: One particular yr for the total machine and 2 many years for the screw host, excluding consumables.

Q5: How prolonged can your air compressor last?
A: Much more than 10 a long time below typical use.

Q6: What are the payment phrases?
A: T/T, L/C, Western Union, Credit rating Card, etc. We can also settle for USD, RMB, EUR and other currencies.

Q7: Will you give some spare areas for the machine?
A: Yes, of program.

Q8: Can you acknowledge OEM orders?
A: Indeed, with a skilled layout staff, OEM orders are really welcome.

Q9: What kind of trade terms can you settle for?
A: Obtainable trade terms: FOB, CIF, EXW, and many others.

Q10: How about the solution packaging?
A: We strictly pack our goods in normal airworthy bins.
 

After-sales Service: 1year
Warranty: 1year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

###

Samples:
US$ 2280/Piece
1 Piece(Min.Order)

|
Request Sample

###

Friendly mini 8bar 15kw rotary screw air compressor
After-sales Service: 1year
Warranty: 1year
Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

###

Samples:
US$ 2280/Piece
1 Piece(Min.Order)

|
Request Sample

###

Friendly mini 8bar 15kw rotary screw air compressor

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 three 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 two 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 one 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 two 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 two 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 one 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 one 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 Friendly Mini 8bar 15kw Rotary Screw Air Compressor     air compressor oilChina Friendly Mini 8bar 15kw Rotary Screw Air Compressor     air compressor oil
editor by czh 2022-12-14

China best Screw Rotary Oilless Piston Free Part High Pressure Portable Parts Used Mini Industrial Single Movable Max Dental AC Oil Air Pump Compressor with Hot selling

Product Description

 Oilless Air Compressor Featuers:
1.Tremendous Silent
Tremendous low sound.The output air force is stable with out fluctuations, lowering sounds pollution.
   
     2. Protection
 
If the voltage or present cause the equipment  overheat, it will instantly shut down to defend  from burnout.
 
    3. Automatic control

 Pressure swap automatically controls the begin and end of the equipment.
   
   4. Adjustable air force
The air strain can be modified to meet the demands of different equipment usage.

   5. Save human power
 
Switch on the air compressor can function generally & instantly. It is straightforward to run and does not need to have human to be on responsibility.
 
 6. Easy maintenance
No need to include any lubricant, effortless upkeep following acquire. 

Parts Features
1.Large solid iron entire body: heavy load, extended stroke, low gasoline use, minimal sound

two.Cylinder: manufactured of large-quality solid iron, toughness, very good lubricity, wall by the fantastic honing, use-resistant, durable

three.Piston ring: excellent elasticity, outstanding put on resistance, reduced oil consumption, not effortless to make the valve group carbon deposition and reduction of oil to burn up the crankshaft and connecting rod.

4.The crankshaft, connecting rod, piston: well well balanced, dress in resistance, large strength, easy operating harmony.

five.High dependable and resilient valve robust aluminum alloy physique, light and warmth.

6.The motor provides reputable electricity, minimal voltage start up and managing performance sturdy supporter cooled motor and entire body specific shock evidence design.

7.Double nozzles, were used to direct the exhaust and pressure exhaust stress change with push button, protected and convenient

eight.Oil totally free,silent,safeguard-surroundings,ideal for dental use.
 

Frequency Asked Concern

one.Are you the company or buying and selling company?
We are the company.

two.Exactly where is your factory?
It is found in HangZhou City,ZHangZhoug Province,China.

three.What is the conditions of trade?
FOB,CFR,CIF or EXW are all suitable.

four.What is actually the terms of payment?
T/T,L/C at sight or income.

5.What is the direct time?

In fifteen days on receipt of deposit .

six.Do you settle for sample buy?
Sure,we settle for.

7.What about the cost of sample?
 You have to pay the freight demand.But the expense of solution could be refundable,if you will buy 1x20GP container in the long term.

 

How to Fix and Preserve an Air Compressor

A compressor is a gadget utilized to go air from one place to one more. Air enters the air compressor via the consumption valve. Inside the compressor, the vanes on the internal rotor rotate within an eccentric cavity. The self-changing size arm divides the space into multiple cavities of various measurements. As the rotor rotates, air fills the cavity. As air flows about the cavity, it builds force and is squeezed out of the compressor output.

Good displacement

Good displacement air compressors use reciprocating pistons to compress air. Fuel is drawn in in the course of the suction stroke and compressed by relocating the piston in the opposite course. It then discharges the compressed air by relocating it in the opposite course. This type of air compressor is most frequently discovered in cars, refrigerators, and other applications that need high strain. Even so, it is not as efficient as a centrifugal compressor.
Most contemporary air compressors use constructive displacement. Positive displacement versions seize a volume of air in the compression chamber and distribute it when the pump is operating at highest ability. They are a lot more cost-effective than their negative displacement counterparts. Reciprocating screw air compressors are the most typical good displacement compressors. The reciprocating screw air compressor adopts a drinking water jacket about the cylinder and is frequently utilized in procedures this kind of as oil drilling.
A bicycle pump is an illustration of constructive displacement compression. Air is drawn into the cylinder and compressed by the transferring piston. A piston compressor operates on the very same principle, but it employs a rotating crankshaft or connecting rod to total the movement of the pistons. There are two sorts of positive displacement compressors: one-acting and double-acting. Each types perform on the same basic principle, equally are optimistic displacement compressors. The distinction among the two varieties is the pressure ratio.
In air compression, constructive displacement compression lowers the volume of the fluid and decreases its viscosity. This results in larger strain ratios and is utilised in centrifugal, axial, and scroll compressors. Optimistic displacement is a widespread feature of most air compressors. Good displacement compressors offer you the exact same advantages and are more energy-productive when used to oil-free of charge and gas applications. This sort of compression is usually the very best choice for reduced-strain apps.
air-compressor

oil cost-free

If you are searching for an air compressor for your organization, think about an oil-free of charge air compressor. These models provide cleaner, quieter operation than traditional air compressors and require considerably less maintenance. They also fulfill ISO Class or Class 1 air purity demands. Oil-totally free air compressors are also quieter, with less transferring areas and significantly less sound. These benefits make oil-cost-free air compressors an ideal solution for many professional programs.
Air purity is crucial in several industries. Even the tiniest drop of oil can hurt manufacturing tools or harm items. The best way to discover an oil-free of charge air compressor for your organization is to think about the approach and finish product. As air top quality increases, far more and far more businesses are turning to oil-cost-free compressors. Some of the benefits and disadvantages of these air compressors are:
When selecting an oil-totally free air compressor, it is crucial to comprehend the terminology used in the business. Realizing these phrases will make it simpler for you to decide on the proper compressor for your demands. ACTFM, or actual cubic ft for each minute, is an market phrase for measuring the volume of air pumped in a single minute below rated conditions. Though a straightforward amount, it can be really helpful in deciding which variety of air compressor is greatest for your application.
The ISO 8573-1 worldwide standard defines air high quality and offers air purity classifications. The strictest classification is air purity class . Several manufacturers claim that oil-free of charge air compressors meet this normal. Nonetheless, a course oil-cost-free air compressor does not essentially imply that the air is free of charge of contaminants. In reality, Class is the benchmark for air purity. Whilst zero air good quality is the optimum level, that doesn’t mean it truly is completely oil-cost-free.
air-compressor

double performing

A double-performing air compressor is a device that employs compressed air to make electrical power. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston via pins and caps. The piston moves as the piston moves. Rods are generally produced of solid carbon steel. In phrases of service and maintenance, double-performing compressors call for typical vise maintenance and correct cleansing.
The displacement of the compressor is a measure of the displacement that the piston can make in a specified interval of time. Displacement is typically expressed in actual cubic feet for every moment. The actual calculation relies upon on the sort of cylinder and the configuration of the compressor. One-performing cylinders can have head-stop or crank-finish displacement, equally of which can be calculated utilizing the displacement equation. A double-acting air compressor will use this equation. 4 and 6 determine the displacement.
Double-acting air compressors have a number of cylinders and are created of solid iron. They are drinking water-cooled and have a mechanical relationship amongst the piston and connecting rod. A double-acting compressor compresses air two times for every revolution of the motor. One cylinder moves up, even though the other cylinder moves down. The piston moves down, enabling air to enter through valve #1. For the duration of the procedure of the compressor, the temperature of the air and fuel will increase.
Double-acting air compressors usually have large force and are regarded as workhorses. Double-performing compressors also attribute intercooling and double compression. As a end result, these machines are inclined to previous more time than one-performing compressors. Its lower velocity and twin compression make it a workhorse in the compressor market. Double-performing air compressors are workhorses and functional products.
air-compressor

gasoline tank strain switch

You can modify the strain in the air compressor tank by changing the differential pressure. You can turn the mainspring clockwise or counterclockwise to boost or lower the force. This valve will open when the stress is low enough to commence the compressor. If the pressure is way too minimal, the valve ought to be shut. The lower-in and cut-out pressures need to be set to appropriate values. Soon after modifying the tank force, check the hysteresis of the tank stress change and set the desired shutoff stress.
If the stress in the tank falls below the minimize-in stage, the tank stress change must be changed. You can take a look at the change with a multimeter. Make sure the change is not broken. If you are unable to find the swap, you can search at the other sections. If you locate any damaged or lacking components, you need to exchange them. Otherwise, it might be time to check the tank strain switch. You could need to disassemble the compressor and get rid of the change.
The fuel tank stress switch is an critical part of the air compressor. It retains you educated of the amount of air sent by the compressor. If your tank or tank is ruined, your readings will be incorrect. If the pressure swap is damaged, it will not operate correctly and result in incorrect readings. Fortunately, there are some simple methods to fix this. To prevent this from taking place, maintain the tank stress swap in excellent problem.
When the air strain in the tank drops to the reduce-in force setting, the switch enables electricity to circulation by means of it. This will start off the motor and pump of the air compressor. Then, if the pressure in the tank rises previously mentioned the cut-off degree, the swap will excursion and stop the compressor. This will stop it from currently being over-pressurized. Electricity circulation will continue to stream to the motor. Relying on your compressor model, you can modify the minimize-in and lower-out pressures as required.

strength resource

The energy source of the air compressor is quite critical. Most air compressors operate on twelve VDC, which is best for automotive use. Alternatively, you can acquire a switching power source for about $twenty. No subject which electricity provide you choose, you have to ensure that it can help the maximum present of the compressor. You can discover electricity materials in all dimensions, from quarter-horsepower to five-horsepower.
The voltage necessary for a three-period air compressor will range. 3-period air compressors demand three separate power cords and a a few-section electrical provider panel. This is due to the fact a regular 120/240-volt electrical services panel is not enough to energy a a few-period compressor. In addition, a few-period compressors demand a few different isolated wires for the engine and motor circuits. A few-period compressors do not demand a neutral wire.

China best Screw Rotary Oilless Piston Free Part High Pressure Portable Parts Used Mini Industrial Single Movable Max Dental AC Oil Air Pump Compressor     with Hot sellingChina best Screw Rotary Oilless Piston Free Part High Pressure Portable Parts Used Mini Industrial Single Movable Max Dental AC Oil Air Pump Compressor     with Hot selling