Tag Archives: rotary screw compressors

China Good quality 7.5kw Screw 7bar~12bar 4-in-1 Rotary Screw Air Compressors with Refrigerant Air Dryer/Air Receiver Tank/Line Air Filters supplier

Product Description

Customized 4 in 1 Combined Stationary Screw Air Compressor with Air Dryer And Tank 
  Our company is a comprehensive screw air compressor manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop, a comprehensive first-class exhibition hall and a testing laboratory. We have 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts. CHINAMFG adheres to the business philosophy of cooperation and mutual benefit to provide a one-stop service for every customer!

4 in 1 Screw air compressor With Air Dryer And Tank

 

Type

4 in1 Screw Air Compressor

 

 

 

 

 

Feature

1.Integrated Design with beautiful appearance,greatly save customer installation costs and use space

2.With new modular design structure, compact layout, ready to install and work

3..After strict testing of the unit, the vibration value of the unit is far lower than the international standard

4.The integrated and optimized pipeline design reduces the length and number of

pipelines, thereby reducing the incidence of pipeline leakage and internal losses caused by the pipeline system.

5.Adopting a freeze dryer with excellent performance,a high cooling capacity configuration

scheme to ensure reliable operation under high-temperature conditions

OEM/ODM

Accept customization,Voltage/power/horsepower/working pressure can be customized

  We undertake various non-standard orders, export orders, voltage/power/horsepower/working pressure/power frequency conversion ,etc., which can be customized. If you are interested in our products, please contact us!

Product Description

Related Products

Customized multi-configurations Fixed speed air compressor, PM VSD air compressor, PM VSD two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric portable screw air compressor

Our Advantages

Company Profile

  ZheJiang CHINAMFG Machinery Manufacturing Co. , Ltd. is located in HangZhou, ZheJiang .CHINAMFG is a comprehensive screw air compressor

manufacturer that engaged in R & D, design, production and sales. It has a plant of 20,000 square meters, including a large production workshop,

a comprehensive first-class exhibition hall and a testing laboratory.

  CHINAMFG has excellent mechanical engineering designers, an experienced staff team and a professional management team. The production

concept focuses on energy-saving and is committed to perfecting and improving the technological process in order to get the core technology

of super frequency energy-saving, achieving the characteristics of mute, durability, power saving and safety.

The company has 9 series of products with multiple models. Including Fixed speed air compressor, PM VSD air compressor, PM VSD

two-stage air compressor, 4-in-1 air compressor, Oil free water lubrcating air compressor, Diesel portable screw air compressor, Electric

portable screw air compressor, Air dryer, Adsorption machine and the matching spare parts. CHINAMFG adheres to the business philosophy of

cooperation and mutual benefit to provide a one-stop service for every customer!

  CHINAMFG air compressors not only cover the domestic market but also are exported to more than 20 countries and regions such as South

Africa, Australia, Thailand, Russia, Argentina, Canada and so on. CHINAMFG products have won a good reputation from users for their excellent

quality and style. The company has always adhered to the concept of quality first, service first and dedication to providing every customer with

excellent products and meticulous after-sales service!

  CHINAMFG warmly welcome customers to visit our factory and establish a wide range of cooperation!

Certifications

Packaging & Shipping

FAQ

Frequency Asked Question:

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

Q2: What the exactly address of your factory? 
A2: Our Factory is Located in Xihu (West Lake) Dis. County, HangZhou CityZheJiang  Province, China.

Q3: Will you provide spare parts of your products? 
A3: Yes, We provide all parts to customer, so you can do repair or maintenance without trouble.

Q4: Can you accept OEM orders? 
A4: Yes, with professional design team, OEM orders are highly welcome.

Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products.380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.

Q6: Warranty terms of your machine?
A6: Two years warranty for the machine and technical support always according to your needs.

Q7: Can you provide the best price?
A7:According to your order, we will provide you the best price.

If you are interested in any of our products, please contact us promptly!

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air compressor

How does variable speed drive technology improve air compressor efficiency?

Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:

1. Matching Air Demand:

Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.

2. Reduced Unloaded Running Time:

Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.

3. Soft Starting:

Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.

4. Energy Savings at Partial Load:

In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.

5. Elimination of On/Off Cycling:

Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.

6. Enhanced System Control:

VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.

By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.

air compressor

How do you troubleshoot common air compressor problems?

Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:

1. No Power:

  • Check the power source and ensure the compressor is properly plugged in.
  • Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
  • Verify that the compressor’s power switch or control panel is turned on.

2. Low Air Pressure:

  • Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
  • Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
  • Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.

3. Excessive Noise or Vibration:

  • Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
  • Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
  • Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.

4. Air Leaks:

  • Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
  • Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
  • Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.

5. Excessive Moisture in Compressed Air:

  • Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
  • Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
  • Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.

6. Motor Overheating:

  • Ensure the compressor’s cooling system is clean and unobstructed.
  • Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
  • Verify that the compressor is not being operated in an excessively hot environment.
  • Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
  • Consider using a thermal overload protector to prevent the motor from overheating.

If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.

air compressor

Are there air compressors specifically designed for high-pressure applications?

Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:

1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.

2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.

3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.

4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:

  • Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
  • Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
  • Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
  • Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
  • Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.

5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.

When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.

High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.

air compressorsair compressors
editor by lmc 2025-02-24

China Hot selling Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction 12v air compressor

Product Description

 

Model Machine Diesel Engine
Free Air Delivery Normal Working Dimensions Weight  Manufacturer  Model Rated
 Pressure (without towbar)         power
  m3/min CFM bar(g) psig L*W*H(mm) kg KW
WZSCY-3.2/8 3.40  120 8 116 2263*1590*1543 900 Xihu (West Lake) Dis. YSD490G 32
WZSCY-4/13 4.00  141 13 189 2570*1860*1720 1200 Cummins QFS2.8-C60 45
WZSCY-5/7 5.55  196 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/10 5.00  177 10 145 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-6/7 6.00  212 7 102 2570*1860*1720 1200 QFS2.8-C60 45
WZSCY-5/13 5.31  187 13 189 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY- 7/7 7.00  247 7 102 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/10 7.00  247 10 145 3120*1860*1800 1500 QSB3.9-C80-31 60
WZSCY-7/13 7.00  247 13 189 3360*2571*2050 1700 QSB3.9-C100-31 74
WZSCY-10/8 10.00  353 8 116 3360*2571*2050 1700 QSB3.9-C130-31 74
WZSCY-9/13 9.00  318 13 189 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-10/10 10.00  353 10 145 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-12/7 12.11  428 7 102 3360*2571*2050 1700 QSB3.9-C130-31 96
WZSCY-8/16 8.01  283 16 232 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-9/15 9.00  318 15 218 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-10/13 10.02  354 13 189 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-11/10 11.00  388 10 145 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-15/8 15.00  530 8 116 3155*2110*2295 2050 QSB5.9-C150-31 113
WZSCY-12/13 12.00  424 13 189 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-14/12 14.00  494 12 174 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-15/10 15.19  536 10 145 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-17/8 17.00  600 8 116 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY18/7 18.00  636 7 102 3388*1760*2620 3600 QSB5.9-C180-31 132
WZSCY-13/18 13.55  478 18 261 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-13/20 13.00  459 20 290 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/16 15.00  530 16 232 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-17/13 17.00  600 13 189 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-18/10 18.00  636 10 145 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-23/8 23.00  812 8 116 3400*1770*2660 4000 QSC8.3-C215-30 160
WZSCY-15/18 15.00  530 18 261 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-17/14 17.66  624 14 203 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-20/13 20.67  730 13 189 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-22/10 22.21  784 10 145 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-24/8 24.00  847 8 116 3400*1770*2660 4000 QSC8.3-C260-30 194
WZSCY-18/18 18.28  645 18 261 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-19/14 19.75  697 14 203 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-20/16 20.18  713 16 232 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-21/15 21.00  742 15 218 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-23/13 23.00  812 13 189 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-27/10 27.00  953 10 145 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-28/8 28.00  989 8 116 3780*1980*2685 4400 QSL8.9-C325-30 239
WZSCY-22/20 22.00  777 20 290 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-23/15 23.00  812 15 218 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-25/13 25.00  883 13 189 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/12 26.00  918 12 174 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-28/10 28.00  989 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-32/10 32.25  1139 10 145 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-33/8 33.00  1165 8 116 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-36/7 36.00  1271 7 102 3960*2160*2905 5500 QSL8.9-C360-30 264
WZSCY-26/25 26.00  918 25 363 4700*2100*2900 4800 QSZ13-C550 410
WZSCY-34/25 34.00  1200 25 363 4700*2100*2900 6800 QSZ13-C550 410
WZSCY-45/10 46.38  1638 10 145 4715*2160*3200 7000 QSZ13-C550 410
WZSCY-33/35 33.00  1165 35 508 5000*2200*2900 7200 KTA19-P700 522
WZSCY-39/25 39.00  1377 25 363 5000*2200*2900 7200 KTA19-P700 522
Note: Skid-mounted type is available.

 
Wan CHINAMFG Certification

Wan CHINAMFG Exhibition

FAQ

1.  OEM/ODM, or customer’ s logo printed is available?

     Yes, OEM/ODM, customer’s logo is welcomed.

2.  Delivery date?
     Usually 5-25 working days after receiving deposit, specific delivery date based on order quantity.
 

3.  What’s your payment terms?

     Regularly doing 30% deposit and 70% balance by T/T, Western Union, Paypal, other payment terms also can be discussed based on our  cooperation.
 

4.  How to control your quality?

     We have professional QC team, control the quality during the mass production and inspect the products before shipping.
 

5.  If we don’ t have shipping forwarder in China , would you do this for us?

     We can offer you best shipping line to ensure you can get the goods timely at best price.
 

6.  I never come to China before , can you be my guide in China?

     Sure , I’m glad to be your guide because our company directly located in ZheJiang , where is the most famous city in China, if you want to come China then we are happy to provide you one-stop service, such as booking ticket, picking up at the airport, booking hotel, accompany visiting factory. It gonna make you an unforgettable memory.

MARKETING NETWORK

After-sales Service: Video Technical Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-less
Customization:
Available

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

Are there portable air compressors available for home use?

Yes, there are portable air compressors specifically designed for home use. These portable models offer convenience, versatility, and ease of use for various tasks around the house. Here are some key points about portable air compressors for home use:

1. Compact and Lightweight: Portable air compressors are typically compact and lightweight, making them easy to transport and store. They are designed with portability in mind, allowing homeowners to move them around the house or take them to different locations as needed.

2. Electric-Powered: Most portable air compressors for home use are electric-powered. They can be plugged into a standard household electrical outlet, eliminating the need for gasoline or other fuel sources. This makes them suitable for indoor use without concerns about emissions or ventilation.

3. Versatile Applications: Portable air compressors can be used for a wide range of home applications. They are commonly used for inflating tires, sports equipment, and inflatable toys. They are also handy for operating pneumatic tools such as nail guns, staplers, and paint sprayers. Additionally, portable air compressors can be used for cleaning tasks, powering airbrushes, and other light-duty tasks around the house.

4. Pressure and Capacity: Portable air compressors for home use typically have lower pressure and capacity ratings compared to larger industrial or commercial models. They are designed to meet the needs of common household tasks rather than heavy-duty applications. The pressure and capacity of these compressors are usually sufficient for most home users.

5. Oil-Free Operation: Many portable air compressors for home use feature oil-free operation. This means they do not require regular oil changes or maintenance, making them more user-friendly and hassle-free for homeowners.

6. Noise Level: Portable air compressors designed for home use often prioritize low noise levels. They are engineered to operate quietly, reducing noise disturbances in residential environments.

7. Cost: Portable air compressors for home use are generally more affordable compared to larger, industrial-grade compressors. They offer a cost-effective solution for homeowners who require occasional or light-duty compressed air applications.

When considering a portable air compressor for home use, it’s important to assess your specific needs and tasks. Determine the required pressure, capacity, and features that align with your intended applications. Additionally, consider factors such as portability, noise level, and budget to choose a suitable model that meets your requirements.

Overall, portable air compressors provide a practical and accessible compressed air solution for homeowners, allowing them to tackle a variety of tasks efficiently and conveniently within a home setting.

China Hot selling Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction   12v air compressorChina Hot selling Industrial Heavy Duty Movable Portable Diesel Engine Direct Driven Rotary Screw Type Air Compressors for Construction   12v air compressor
editor by CX 2023-11-03

China Standard China Professional Manufacturer of A/C Power Rotary Lubricated Screw Air Compressors with Inverter wholesaler

Product Description

Electric Inverter Variable Speed Screw Air Compressor Advantages

DENAIR VSD (Variable Speed Drive) rotary screw air compressors are suitable for customers who need different amount of air supply and extremely accurate pressure. It can facilitate customers to optimize production process and improve productivity.
 
The principle of VSD is to adjust the motor rotation speed automatically according to the actual air demand. The reduced system pressure decreases the total energy consumption of the whole system, which can reduce energy costs by 35% or more.
 
The VSD air compressor reduces the energy consumption through the following points:

1. Removing the low efficiency transformation process from the full loading to unloading
2. Avoiding the power during the unloading process
3. Keeping the pipeline pressure drop under 0.1bar
4. Reducing the average working pressure
5. Lowering the system pressure to reduce the system leakage
6. The soft starting method increases the current balance and avoids the current surge
7. A flexible choice from 4 to 13bar which reduces the power consumption most.

Technical Parameters Of Variable Speed Screw Air Compressor 

Model Maxinmum
working
pressure
Capacity(FAD) Installed
motor
power
Driving mode& Cooling method Dimensions
(mm)
Weight Noise level** Air outlet pipe diameter
50Hz 60Hz
bar(e) psig Min. Max. Min. Max. Min. Max. Min. Max. kw hp L W H kg dB(A)
m3/min cfm m3/min cfm
DVA-5 7.5 109 0.43 0.85 15 30 0.44 0.87 16 31 5.5 7.5 Belt Driven 900 660 960 200 62 G3/4″
8.5 123 0.41 0.85 14 29 0.42 0.84 15 30 5.5 7.5
DVA-7 7.5 109 0.52 1.04 18 37 0.51 1.02 19 36 7.5 10 900 660 960 220 62 G3/4″
8.5 123 0.49 0.98 17 34 0.5 1 18 35 7.5 10
10.5 152 0.45 0.89 16 32 0.45 0.89 16 32 7.5 10
13 189 0.36 0.72 13 25 0.37 0.74 13 26 7.5 10
DVA-11 7.5 109 0.88 1.76 32 62 0.88 1.76 31 62 11 15 900 660 960 280 62 G3/4″
8.5 123 0.87 1.73 31 61 0.85 1.7 30 60 11 15
10.5 152 0.69 1.37 24 48 0.68 1.37 24 48 11 15
13 189 0.56 1.12 20 40 0.56 1.12 20 40 11 15
DVA-15 7.5 109 1.27 2.53 45 89 1.21 2.43 43 86 15 20 Direct Driven
Air
Cooling
1330 840 1030 325 64 G1-1/4″
8.5 123 1.24 2.48 44 88 1.19 2.38 42 84 15 20
10.5 152 1.02 2.03 36 72 1.17 2.34 41 83 15 20
13 189 0.99 1.98 35 70 1.14 2.27 40 80 15 20
DVA-18 7.5 109 1.5 3 53 106 1.82 3.63 64 128 18.5 25 1330 840 1030 400 64 G1-1/4″
8.5 123 1.47 2.94 52 104 1.77 3.54 63 125 18.5 25
10.5 152 1.45 2.9 51 102 1019 2.37 42 84 18.5 25
13 189 1.01 2.02 36 71 1.17 2.34 41 83 18.5 25
DVA-22 7.5 109 1.85 3.7 65 131 1.85 3.7 65 131 22 30 1330 840 1030 440 66 G1-1/4″
8.5 123 1.81 3.61 64 127 1.81 3.61 64 128 22 30
10.5 152 1.77 3.54 62 125 1.76 3.52 62 124 22 30
13 189 1.45 2.9 51 102 1.19 2.38 42 84 22 30
DVA-30 7.5 109 2.62 5.24 93 185 2.21 4.41 78 156 30 40 1600 1000 1400 670 66 G11/2″
8.5 123 2.57 5.14 91 181 2.15 4.31 76 152 30 40
10.5 152 2.56 5.11 90 180 1.82 3.64 64 129 30 40
13 189 1.72 3.43 61 121 1.77 3.54 63 125 30 40
DVA-37 7.5 109 3.25 6.5 115 230 3.86 7.73 136 273 37 50 1600 1000 1400 710 66 G11/2″
8.5 123 3.24 6.47 114 228 3.81 7.63 135 269 37 50
10.5 152 3.16 6.32 112 223 3.2 6.39 113 226 37 50
13 189 2.55 5.1 90 180 3.14 6.28 111 222 37 50
DVA-45 7.5 109 3.83 7.65 135 270 3.94 7.88 139 278 45 60 1600 1000 1400 860 69 G11/2″
8.5 123 3.8 7.6 134 268 3.85 7.7 136 272 45 60
10.5 152 3.28 6.57 116 232 3.59 7.18 127 254 45 60
13 189 3.2 6.39 113 226 3.17 6.34 112 224 45 60
DVA-55 7.5 109 4.9 9.8 173 346 4.6 9.2 162 325 55 75 1800 1200 1400 1350 69 G2″
8.5 123 4.86 9.71 171 343 4.53 9.06 160 320 55 75
10.5 152 4.62 9.24 163 326 3.9 7.8 138 275 55 75
13 189 3.68 7.35 130 260 3.8 7.59 134 268 55 75
DVA-75 7.5 109 6.96 13.91 246 491 6.27 12.53 221 442 75 100 1800 1200 1400 1450 69 G2″
8.5 123 6.33 12.66 224 447 5.86 11.71 207 413 75 100
10.5 152 4.76 9.51 168 336 5.13 10.26 181 362 75 100
13 189 4.62 9.24 163 326 4.71 9.42 166 333 75 100
DVA-90 7.5 109 8.45 16.9 298 597 8.45 16.91 298 597 90 120 2450 1800 1700 2100 72 DN80
8.5 123 8.35 16.7 295 590 8.4 16.8 297 593 90 120
10.5 152 7.25 14.5 256 512 7.38 14.76 261 521 90 120
13 189 6.25 12.5 221 441 5.71 11.42 202 403 90 120
DVA-110 7.5 109 10.4 20.8 367 734 10.03 20.06 354 708 110 150 2450 1800 1700 2500 75 DN80
8.5 123 10 20 353 706 9.99 19.98 353 706 110 150
10.5 152 8.75 17.5 309 618 8.4 16.8 297 593 110 150
13 189 7.25 14.5 256 512 7.33 14.67 259 518 110 150
DVA-132 7.5 109 11.75 23.5 415 830 12.22 24.43 431 863 132 175 2450 1800 1700 2600 75 DN80
8.5 123 11.6 23.2 410 819 11.92 23.83 421 842 132 175
10.5 152 9.92 19.83 350 700 9.9 19.79 349 699 132 175
13 189 8.23 16.46 291 581 8.32 16.64 294 588 132 175
DVA-160 7.5 109 14 28 494 989 14 27.99 494 988 160 215 2650 1700 1760 3150 75 DN80
8.5 123 13.5 27 477 953 13.66 27.32 482 965 160 215
10.5 152 12 24 424 847 12.02 24.03 424 849 160 215
13 189 10 20 353 706 9.88 19.75 349 697 160 215
DVA-185(W) 7.5 109 15.1 30.2 533 1066 15.23 30.45 538 1075 185 250 Direct
Driven
Air
Cooling
W-Water
Cooling
2650 1700 1760 3550 75 DN80
8.5 123 15.07 30.14 532 1064 15.03 30.06 531 1061 185 250
10.5 152 13.12 26.24 463 927 13.77 27.54 486 972 185 250
13 189 11.54 23.08 407 815 11.88 23.75 419 839 185 250
DVA-200(W) 7.5 109 17.5 35 618 1236 15.52 31.03 548 1096 200 270 3000 1950 2050 4200 78 DN100
8.5 123 17 34 600 1201 15.17 30.35 536 1071 200 270
10.5 152 15 30 530 1059 14.85 29.69 524 1048 200 270
13 189 13 26 459 918 13.49 26.97 476 952 200 270
DVA-220(W) 7.5 109 18.25 36.5 644 1289 18.84 37.68 665 1331 220 300 3000 1950 2050 4300 78 DN100
8.5 123 18 36 636 1271 16.62 33.24 587 1174 220 300
10.5 152 15.82 31.63 558 1117 16.58 33.16 585 1171 220 300
13 189 14.28 28.55 504 1008 13.49 26.97 476 952 220 300
DVA-250(W) 7.5 109 22.65 45.3 800 1600 21.49 42.99 759 1518 250 350 3000 1950 2050 4400 78 DN100
8.5 123 21.5 43 759 1518 21.08 42.17 744 1489 250 350
10.5 152 18.5 37 653 1306 16.75 33.5 591 1183 250 350
13 189 16.25 32.5 574 1148 16.37 32.74 578 1156 250 350
DVA-280(W) 7.5 109 23.24 46.47 820 1641 23.58 47.16 833 1665 280 375 3700 2300 2450 4900 78 DN125
8.5 123 22.77 45.53 804 1608 22.82 45.64 806 1612 280 375
10.5 152 20.45 40.89 722 1444 20.54 41.03 724 1449 280 375
13 189 17.91 35.81 632 1264 18.38 36.75 649 1298 280 375
DVA-315(W) 7.5 109 26.52 53.03 936 1872 25.44 50.88 898 1797 315 425 3700 2300 2450 7000 80 DN125
8.5 123 26.25 52.5 927 1854 24.26 48.52 857 1713 315 425
10.5 152 23.35 46.69 824 1649 22.75 45.51 803 1607 315 425
13 189 21.41 42.82 756 1512 20.43 40.86 721 1443 315 425
DVA-355(W) 7.5 109 31.61 63.21 1116 2232 27.29 54.57 963 1927 355 475 3700 2300 2450 7500 80 DN125
8.5 123 30.9 61.8 1091 2182 26.78 53.55 945 1891 355 475
10.5 152 25.75 51.5 909 1818 23.56 47.12 832 1663 355 475
13 189 22.83 45.65 806 1612 21.82 43.64 770 1540 355 475
DVA-400(W) 7.5 109 34.39 68.78 1214 2429 35.39 70.77 1249 2499 400 550 3700 2300 2450 8800 80 DN125
8.5 123 33.48 66.95 1182 2364 35.51 69.01 1218 2437 400 550
10.5 152 26.25 52.5 927 1854 24.02 48.04 848 1696 400 550
13 189 23.27 46.54 822 1643 22.24 44.49 785 1571 400 550

*)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

DENAIR Factory

Why Choose DENAIR?

DENAIR Hannover Messe 2017

We carefully selected for you the classic case

DENAIR Air Compressor in Russian Car Factory

Project Name: Russian car factory.

Product Name and Model: Screw air compressors DVA-250 *1, DA-250 *3, DA-90 *1, DVA-90 *1. Refrigerant air dryer DAD-50HTF *1, DAD-15HTF *1. Adsorption dryer DAD-60MXF*1.

Working time: From June, 2016 till now.

Event: DENAIR produced special compressor equipment for car factory in Russia. All compressors can be controlled by 1 computer using Metacentre control system.

In the factory will be produce Chinese brand cars. We try our best to make observation “Made in China ” associate not with cheap price, but with high quality, innovation and grate stability.

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.

Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Customization:
Available

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air compressor

Can air compressors be used for cleaning and blowing dust?

Yes, air compressors can be effectively used for cleaning and blowing dust in various applications. Here’s how air compressors are utilized for these purposes:

1. Cleaning Machinery and Equipment:

Air compressors are commonly used for cleaning machinery and equipment in industries such as manufacturing, automotive, and construction. Compressed air is directed through a nozzle or blowgun attachment to blow away dust, debris, and other contaminants from surfaces, crevices, and hard-to-reach areas. The high-pressure air effectively dislodges and removes accumulated dust, helping to maintain equipment performance and cleanliness.

2. Dusting Surfaces:

Air compressors are also employed for dusting surfaces in various settings, including homes, offices, and workshops. The compressed air can be used to blow dust off furniture, shelves, electronic equipment, and other objects. It provides a quick and efficient method of dusting, especially for intricate or delicate items where traditional dusting methods may be challenging.

3. Cleaning HVAC Systems:

Air compressors are utilized for cleaning HVAC (Heating, Ventilation, and Air Conditioning) systems. The compressed air can be used to blow dust, dirt, and debris from air ducts, vents, and cooling coils. This helps improve the efficiency and air quality of HVAC systems, preventing the buildup of contaminants that can affect indoor air quality.

4. Blowing Dust in Workshops:

In workshops and garages, air compressors are often used to blow dust and debris from workbenches, power tools, and work areas. Compressed air is directed to blow away loose particles and maintain a clean and safe work environment. This is particularly useful in woodworking, metalworking, and other trades where dust and debris can accumulate during the manufacturing or fabrication processes.

5. Cleaning Electronics and Computer Equipment:

Air compressors are employed for cleaning electronics and computer equipment. The compressed air is used to blow dust and debris from keyboards, computer cases, circuit boards, and other electronic components. It helps in preventing overheating and maintaining the proper functioning of sensitive electronic devices.

6. Industrial Cleaning Applications:

Air compressors find extensive use in industrial cleaning applications. They are employed in industrial settings, such as factories and warehouses, for cleaning large surfaces, production lines, and equipment. Compressed air is directed through specialized cleaning attachments or air-operated cleaning systems to remove dust, dirt, and contaminants efficiently.

When using air compressors for cleaning and blowing dust, it is important to follow safety precautions and guidelines. The high-pressure air can cause injury if directed towards the body or sensitive equipment. It is advisable to wear appropriate personal protective equipment, such as safety glasses and gloves, and ensure that the air pressure is regulated to prevent excessive force.

Overall, air compressors provide a versatile and effective solution for cleaning and blowing dust in various applications, offering a convenient alternative to traditional cleaning methods.

air compressor

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

In which industries are air compressors widely used?

Air compressors find extensive usage across various industries due to their versatility and ability to generate compressed air. Here are some industries where air compressors are widely employed:

1. Manufacturing: Air compressors are essential in manufacturing processes for powering pneumatic tools and equipment. They are used for tasks such as operating assembly lines, powering robotic machinery, running paint sprayers, and driving pneumatic actuators.

2. Construction: Air compressors play a crucial role in the construction industry. They power pneumatic tools like jackhammers, nail guns, impact wrenches, and concrete breakers. Compressed air is also used for concrete spraying, sandblasting, and operating air-powered lifts and hoists.

3. Automotive: Air compressors are widely used in automotive manufacturing and repair. They power air tools used in auto body shops, tire inflation equipment, pneumatic lifts, and air-operated brake systems. Compressed air is also utilized in vehicle painting and drying processes.

4. Oil and Gas: The oil and gas industry extensively relies on air compressors for various applications. They are used for pneumatic drilling, powering pneumatic tools in refineries and petrochemical plants, operating pneumatic valves and actuators, and providing instrument air for control systems.

5. Food and Beverage: Air compressors are employed in the food and beverage industry for tasks such as packaging, bottling, and sealing. They power pneumatic conveying systems, control air pressure in food processing equipment, and provide clean compressed air for food handling and storage.

6. Pharmaceutical and Healthcare: Air compressors find application in pharmaceutical manufacturing and healthcare facilities. They are used for operating medical equipment, such as ventilators and dental tools. Compressed air is also utilized in pharmaceutical processes, including tablet coating, fluid bed drying, and aseptic packaging.

7. Aerospace: The aerospace industry relies on air compressors for various applications, including aircraft maintenance and assembly. They power pneumatic tools for aircraft repair, provide compressed air for cleaning and pressurizing systems, and support ground operations, such as tire inflation and aircraft de-icing.

8. Mining: Air compressors are extensively used in the mining industry. They power pneumatic tools for drilling, rock blasting, and excavation. Compressed air is also utilized for ventilation, conveying materials, and operating underground equipment.

9. Energy and Utilities: Air compressors play a vital role in the energy and utilities sector. They are used in power generation plants for pneumatic control systems, instrument air, and operating pneumatic valves. Compressed air is also employed for cleaning and maintenance purposes.

These are just a few examples of the industries where air compressors are widely utilized. The versatility and reliability of air compressors make them indispensable in numerous applications across diverse sectors.

China Standard China Professional Manufacturer of A/C Power Rotary Lubricated Screw Air Compressors with Inverter   wholesaler China Standard China Professional Manufacturer of A/C Power Rotary Lubricated Screw Air Compressors with Inverter   wholesaler
editor by CX 2023-10-27