Tag Archives: compressor 24l

China Professional CHINAMFG Air Compressor for 24L air compressor CHINAMFG freight

Product Description

HangZhou CHINAMFG is a company that combines the development, manufacturing, and marketing of gasoline generators,
diesel generators, water pumps, air compressors.Factory possess advanced production testing equipment and a modern
quality management system, and have always implemented comprehensive quality control through strict adherence to
ISO9001 standards. Furthermore, our products have also passed GE, CE, EMC certification.

FEATURE:
 1.The start power of air compressor is a qualified engine, insuring fuel buring effectively and economically
 2.Adopting several reliable measures for shock protection, with a small shock of the whole sets.
 3.With a whole closed structure set, adopting light materials, small cubage and light weight. 

DESCRIPTION:

Power(Kw/HP) 1.5/2HP
Speed(r.m.p) 2850
Displacement(L/min) 198
Tank(L) 24
Pressure(p.s.i/Mpa) 115/0.8
Meas(cm) 57.5*25.5*61.5

F A Q: 
1Q:Are you a factory or trading company? 
A: We are a factory.
 
2Q:Where is your factory located? 
A: Our factory is located in Xihu (West Lake) Dis. industry,HangZhou city, ZHangZhoug Province, China.
It’s near HangZhou  port.
 
3Q:Can you accept OEM?
A:Yes, we can accept OEM.
 
4Q:What’s your delivery time?
A:Normally 30 days for container order.
 
5Q:How about quality control in your factory? 
A: Our QC Department take the strictly quality control for every spare parts and whole machine.
 

Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Arrangement: Series Arrangement
Cylinder Position: Horizontal
Structure Type: Open Type
Compress Level: Single-Stage
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

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

How are air compressors employed in the mining industry?

Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:

1. Exploration and Drilling:

Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.

2. Ventilation and Air Quality Control:

Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.

3. Material Conveyance:

In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.

4. Dust Suppression:

Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.

5. Instrumentation and Control:

Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.

6. Explosive Applications:

In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.

7. Maintenance and Repair:

Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.

It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.

By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.

air compressor

What are the key components of an air compressor system?

An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:

1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.

2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.

3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.

4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.

5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.

6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.

7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.

8. Regulator: The regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications, ensuring a consistent and safe supply of compressed air.

9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.

10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.

These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.

China Professional CHINAMFG Air Compressor for 24L   air compressor CHINAMFG freightChina Professional CHINAMFG Air Compressor for 24L   air compressor CHINAMFG freight
editor by CX 2023-10-12

China factory CHINAMFG 24L electric 750W 8 bar portable silent air compressor arb air compressor

Product Description

230V~50Hz
Aluminum motor
Air tank 24L
Motor power: 750W, 1.0Hp
Air delivery: 165L/min
No load speed:1450rpm
Working pressure: Max. 8 Bar
Oiless air compressor
2 pcs Manometer
1 pc SDS Coupling
1.5m cable, H05VV-F 3G 1.0mm²

Acce.:
2 pcs wheels
2 pcs soft pad
1 pc filter

Color box packing

 

1. who are we?
We are based in ZheJiang , China, start from 2016,sell to Western Europe(62.00%),Southeast Asia(8.00%),Northern Europe(6.00%),North America(5.00%),South America(5.00%),Eastern Europe(5.00%),Central America(3.00%),Southern Europe(2.00%),Eastern Asia(1.00%),Oceania(1.00%),Africa(1.00%),Mid East(1.00%),South Asia(0.00%),Domestic Market(0.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
20V Cordless Drill, 20V Cordless Jig Saw, 20V Cordless Hammer, 20V Cordless Excenter Sander, 20V Cordles Angle Grinder

4. why should you buy from us not from other suppliers?
HangZhou CHINAMFG Machinery and Equipment Co.,Ltd are the professional Power tools, Garden tools and Hand tools supplier in China. We have over 15 years experienced scientific research and quality control team. Equipping with professional test center.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,Cash;
Language Spoken:English,Chinese

After-sales Service: yes
Warranty: 3 years
Performance: Low Noise
Mute: Mute
Lubrication Style: Oil-less
Drive Mode: Electric
Customization:
Available

|

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 are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.

Emissions:

While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.

2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.

3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.

4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.

5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.

6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.

7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.

8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.

9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.

10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.

By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.

China factory CHINAMFG 24L electric 750W 8 bar portable silent air compressor   arb air compressorChina factory CHINAMFG 24L electric 750W 8 bar portable silent air compressor   arb air compressor
editor by CX 2023-10-01

China wholesaler CHINAMFG 1.5HP 2.0HP 20L 24L 50L Bm 42mm 47mm 48mm Cheapest Portable Electric Direct Drive Air Compressor Price OEM Factory air compressor for sale

Product Description

        SINCE 1988
ZHangZhouG CHINAMFG PUMP INDUSTRY CO.,LTD.

Product Description

Xinya BM Style 20L CE Direct Driven Air Compressor
Oil lubricated, low maintenance operation.
Equipped with pressure regulator, pressure gauge, quick connect air outlet, safety valve, on/off switch.
Fully automatic control system aims at operation convenience, safety and reliability.
CE, ROHS, ISO9001 certificated.
 

Model:  XYBM20
Motor:  1.1/1.5(KW/HP)
Cylinder:  42×1(mm×pc)
Exhaust volume :  150(L/min)
Rating pressure:   0.8(MPa)
Volume of gas storage tank:  20(L)
Overall dimension:  62*26*61(L×W×H cm)
Weight: 19(Kg)

Electric direct driven oil lubricated air compressors
1.induction motor-127 volt and 230 volt               
2.motor with thermal protection system
3.aluminum cylinder head and crankcase for better heat dissipation   
4.durable cast iron cylinder
5.aluminum piston and high alloy piston rings for high loading       
6.easy-open drain valve
7.pressure switch with cut-in/cut-off pressure settings       
8.regulator with gauge to show pressure
9.quick connector is available  
10.carry hand for easy moving         
11.plastic coating tank

Detailed Photos

Installation Instructions

Application

Packaging & Shipping

For Model: XYBM20
Natural carton packing with foam protector
1PCS/CTN
Including:air filter,breather,wheel,bolt,foot pad
Carton size:60*26*60cm
720pcs/40HQ

Similar products

 

Company Profile

Excellent Manufacturer
Established in 1988,ZHangZhoug CHINAMFG Pump Industry Co.,Ltd.Has been dedicated to the technology research,production-manufacturing,and marketing of air compressors,water pump and solar pumps.

We are ZHangZhoug key private enterprise and pioneering backbone enterprise. We have the most advanced technology in both production and management. We have a very powerful Research& Development team. We carry on strict monitoring and control to products by many kinds of advanced apparatus with third-party qualified laboratory.Welcome to inquiry!

Certifications

Exhibitions

FAQ

Q: Are you manufacturer or trading factory?
A: We are factory, located in HangZhou pump industry zone.

Q: What is your MOQ?
A:

Product ready good Customized goods
Vibration pump 1pc/model 1000pcs/model
Solar pump 1pc/model    50pcs/model
Direct-driven air compressor 1pc/model  100pcs/model
Belt-driven air compressor 1pc/model mixed model for 1*40HQ
Oil free air compressor 1pc/model 100pcs/model
Air pump 1pc/model 100pcs/model

Q: May OEM?
A: OK, pls provide your logo design files when PI is comfirmed.

Q: May I buy 1pc sample first? And How long?
A: Of course, we support sampling order, especially for new customers.
     Ready goods, within 3 working days; Customized goods, 15-45 days.

Q: What is your Payment terms?
A: Sample: 100% payment in advance
    Official order: 30% deposit TT and 70% balance against BL copy

Q: What about the warranty?
A: one-year quality guarantee policy. Money refunded if any quality issues come up.

Q: Where is the landing port?
A: HangZhou port, China. 
     If ZheJiang or other port, pls inform us in advance.

Q: May I visit your factory? Where?
A: Welcome to ZHangZhoug CHINAMFG Pump Industry Co.,ltd
     Address: DaXi Pump Industrial Zone, DaXi Town, WenLing City, ZheJiang Province, China.
     Nearest railway station: 1. HangZhou station, 2. HangZhou station, 3. HangZhou station;
     Nearest air port: 1. HangZhou airport, 2. HangZhou airport

Please feel free to contact us,thank you.

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Top Service
Warranty: 1 Year Warranty
Lubrication Style: Lubricated
Samples:
US$ 150/Piece
1 Piece(Min.Order)

|

Order Sample

aluminum wire, 220/50HZ, standard product
Customization:
Available

|

air compressor

How are air compressors used in the food and beverage industry?

Air compressors play a vital role in the food and beverage industry, providing a reliable source of compressed air for various applications. Here are some common uses of air compressors in this industry:

1. Packaging and Filling:

Air compressors are extensively used in packaging and filling operations in the food and beverage industry. Compressed air is utilized to power pneumatic systems that control the movement and operation of packaging machinery, such as filling machines, capping machines, labeling equipment, and sealing devices. The precise and controlled delivery of compressed air ensures accurate and efficient packaging of products.

2. Cleaning and Sanitization:

Air compressors are employed for cleaning and sanitization purposes in food and beverage processing facilities. Compressed air is used to operate air-powered cleaning equipment, such as air blowguns, air-operated vacuum systems, and air knives. It helps remove debris, dust, and contaminants from production lines, equipment, and hard-to-reach areas. Additionally, compressed air is used for drying surfaces after cleaning and for applying sanitizing agents.

3. Cooling and Refrigeration:

In the food and beverage industry, air compressors are utilized in cooling and refrigeration systems. Compressed air is used to drive air compressors in refrigeration units, enabling the circulation of refrigerants and maintaining optimal temperatures for food storage and preservation. The controlled airflow provided by the compressors facilitates efficient cooling and refrigeration processes.

4. Aeration and Mixing:

Air compressors are used for aeration and mixing applications in the food and beverage industry. Compressed air is introduced into processes such as fermentation, dough mixing, and wastewater treatment. It helps in promoting oxygen transfer, enhancing microbial activity, and facilitating proper mixing of ingredients or substances, contributing to the desired quality and consistency of food and beverage products.

5. Pneumatic Conveying:

In food processing plants, air compressors are employed for pneumatic conveying systems. Compressed air is used to transport bulk materials such as grains, powders, and ingredients through pipes or tubes. It enables the gentle and efficient movement of materials without the need for mechanical conveyors, reducing the risk of product damage or contamination.

6. Quality Control and Testing:

Air compressors are utilized in quality control and testing processes within the food and beverage industry. Compressed air is used for leak testing of packaging materials, containers, and seals to ensure product integrity. It is also employed for spraying air or gases during sensory analysis and flavor testing.

7. Air Agitation:

In certain food and beverage production processes, air compressors are used for air agitation. Compressed air is introduced into tanks, mixing vessels, or fermentation tanks to create turbulence and promote mixing or chemical reactions. It aids in achieving consistent product quality and uniform distribution of ingredients or additives.

It is important to note that air compressors used in the food and beverage industry must meet strict hygiene and safety standards. They may require specific filtration systems, oil-free operation, and compliance with food safety regulations to prevent contamination or product spoilage.

By utilizing air compressors effectively, the food and beverage industry can benefit from improved productivity, enhanced product quality, and efficient processing operations.

air compressor

How are air compressors employed in the mining industry?

Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:

1. Exploration and Drilling:

Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.

2. Ventilation and Air Quality Control:

Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.

3. Material Conveyance:

In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.

4. Dust Suppression:

Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.

5. Instrumentation and Control:

Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.

6. Explosive Applications:

In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.

7. Maintenance and Repair:

Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.

It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.

By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.

air compressor

How does an air compressor work?

An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:

1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.

2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.

3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.

4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.

5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.

6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.

Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.

In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.

China wholesaler CHINAMFG 1.5HP 2.0HP 20L 24L 50L Bm 42mm 47mm 48mm Cheapest Portable Electric Direct Drive Air Compressor Price OEM Factory   air compressor for saleChina wholesaler CHINAMFG 1.5HP 2.0HP 20L 24L 50L Bm 42mm 47mm 48mm Cheapest Portable Electric Direct Drive Air Compressor Price OEM Factory   air compressor for sale
editor by CX 2023-09-30

China Good quality 220V 50Hz/60Hz Portable Low Noise Oilless Air Compressor with 17L 24L 50L Air Tank with Hot selling

Product Description

Item Description

 

Merchandise Parameters

Packaging & Shipping

 1) Packing Information
Packed in nylon firstly, then carton, and then reinforced with picket case for outer packing.Or according to client’s requirement.

2) Transport Particulars
Samples will be transported inside 15 days.
Batch purchase leading time in accordance to the true circumstance.

Company Profile

ZHangZhoug Jinjin Motor Co., Ltd, situated in Zeguo City, HangZhou, HangZhou Town, China, enjoys convenient land, sea and air transportation network.

We are specialised in air compressor, pneumatic equipment and spray gun

For air compressore, there is oil free of charge oiless air compressor and piston oil air compressore.

Spray gun include washing gun, tire inflating gun and accent ets.

About pneumatic equipment, there are air affect wrench sequence, pneumatic screwdriver series, air die grinder sequence, tire pressre gue, air angle sander.

We have acquired ISO90001-2008 top quality certificate, CE certification and CCC certificate. Our merchandise are commonly exported to more than fifty nations and areas, such as east Europe, Southeast Asia, South The usa, Center East, Africa and so on. Meanwhile, we have retained nicely touch with a lot of investing organizations at home and abroad for cooperation relationship.

“Dependable quality, Excellent provider, Affordable price tag, Well timed supply” is our organization persistent pursuit. Hunting forward to be your long time period company companion.

Set up Recommendations

Thorough Pictures

FAQ

Q:Why select us?
A:expert company for 10 years
  good high quality substance and innovative take a look at machine

Q:What is your MOQ?
A:10 pcs is alright for each and every design.At very first time,demo order is okay.

Q:What about your guarantee?
A: 1 12 months,except gentleman-produced ruined.

Q:how about your payment way ?
A: 30% T/T in advance,70% balance on sight of BL copy by T/T or irrevocable L/C.

Q:Can you make OEM/ODM order?
A:Sure,we have rich encounter on OEM/ODM buy.

How to Fix and Keep an Air Compressor

A compressor is a system employed to transfer air from 1 area to an additional. Air enters the air compressor via the intake valve. Inside of the compressor, the vanes on the internal rotor rotate inside of an eccentric cavity. The self-changing length arm divides the area into multiple cavities of various measurements. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Optimistic displacement

Optimistic displacement air compressors use reciprocating pistons to compress air. Fuel is drawn in during the suction stroke and compressed by transferring the piston in the opposite path. It then discharges the compressed air by relocating it in the reverse route. This variety of air compressor is most frequently found in cars, refrigerators, and other programs that need substantial stress. Nevertheless, it is not as productive as a centrifugal compressor.
Most modern air compressors use constructive displacement. Good displacement models capture a quantity of air in the compression chamber and distribute it when the pump is working at highest capacity. They are a lot more cost-effective than their adverse displacement counterparts. Reciprocating screw air compressors are the most typical good displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is frequently utilized in processes this kind of as oil drilling.
A bicycle pump is an case in point of positive displacement compression. Air is drawn into the cylinder and compressed by the shifting piston. A piston compressor operates on the identical theory, but it employs a rotating crankshaft or connecting rod to comprehensive the movement of the pistons. There are two sorts of good displacement compressors: solitary-acting and double-performing. Equally types work on the exact same theory, both are constructive displacement compressors. The big difference between the two varieties is the force ratio.
In air compression, constructive displacement compression decreases the volume of the fluid and decreases its viscosity. This results in higher strain ratios and is employed in centrifugal, axial, and scroll compressors. Positive displacement is a widespread characteristic of most air compressors. Positive displacement compressors supply the identical advantages and are much more vitality-effective when used to oil-totally free and gasoline apps. This variety of compression is usually the ideal decision for minimal-pressure applications.
air-compressor

oil free of charge

If you might be seeking for an air compressor for your company, contemplate an oil-free air compressor. These types supply cleaner, quieter procedure than traditional air compressors and need much less upkeep. They also fulfill ISO Class or Course 1 air purity requirements. Oil-totally free air compressors are also quieter, with much less shifting elements and less sounds. These advantages make oil-cost-free air compressors an excellent remedy for numerous business programs.
Air purity is critical in several industries. Even the tiniest drop of oil can harm production gear or injury merchandise. The very best way to find an oil-totally free air compressor for your business is to think about the approach and finish item. As air good quality enhances, far more and more businesses are turning to oil-free of charge compressors. Some of the advantages and drawbacks of these air compressors are:
When picking an oil-totally free air compressor, it is essential to recognize the terminology utilised in the business. Understanding these conditions will make it simpler for you to pick the right compressor for your wants. ACTFM, or real cubic ft for each minute, is an business time period for measuring the amount of air pumped in one particular moment underneath rated problems. Even though a straightforward variety, it can be quite beneficial in deciding which sort of air compressor is ideal for your application.
The ISO 8573-1 international regular defines air quality and provides air purity classifications. The strictest classification is air purity course . Many manufacturers claim that oil-cost-free air compressors satisfy this standard. However, a class oil-free air compressor does not essentially suggest that the air is cost-free of contaminants. In truth, Course is the benchmark for air purity. Whilst zero air high quality is the highest level, that doesn’t imply it truly is fully oil-free.
air-compressor

double performing

A double-acting air compressor is a system that makes use of compressed air to create electric power. Its working theory is based mostly on piston and connecting rod. The connecting rod connects the crankshaft to the piston by way of pins and caps. The piston moves as the piston moves. Rods are usually created of forged carbon steel. In conditions of provider and servicing, double-acting compressors need normal vise servicing and proper cleansing.
The displacement of the compressor is a evaluate of the displacement that the piston can create in a certain period of time of time. Displacement is typically expressed in genuine cubic ft for every moment. The exact calculation relies upon on the kind of cylinder and the configuration of the compressor. Solitary-acting cylinders can have head-stop or crank-finish displacement, equally of which can be measured employing the displacement equation. A double-acting air compressor will use this equation. 4 and 6 determine the displacement.
Double-acting air compressors have numerous cylinders and are produced of forged iron. They are drinking water-cooled and have a mechanical link amongst the piston and connecting rod. A double-acting compressor compresses air two times per revolution of the motor. One particular cylinder moves up, even though the other cylinder moves down. The piston moves down, permitting air to enter through valve #1. In the course of the procedure of the compressor, the temperature of the air and gasoline will increase.
Double-performing air compressors usually have large strain and are regarded workhorses. Double-acting compressors also attribute intercooling and double compression. As a end result, these equipment tend to final lengthier than solitary-acting compressors. Its reduced velocity and dual compression make it a workhorse in the compressor business. Double-performing air compressors are workhorses and flexible products.
air-compressor

gasoline tank force swap

You can change the force in the air compressor tank by modifying the differential strain. You can flip the mainspring clockwise or counterclockwise to enhance or reduce the strain. This valve will open when the stress is lower adequate to commence the compressor. If the force is too reduced, the valve ought to be closed. The minimize-in and minimize-out pressures ought to be set to acceptable values. Soon after modifying the tank force, examine the hysteresis of the tank stress switch and established the preferred shutoff force.
If the strain in the tank falls underneath the reduce-in degree, the tank force change must be replaced. You can examination the swap with a multimeter. Make positive the swap is not broken. If you cannot discover the swap, you can look at the other sections. If you locate any destroyed or missing elements, you need to replace them. Normally, it could be time to verify the tank stress swap. You might require to disassemble the compressor and get rid of the switch.
The gasoline tank strain switch is an critical element of the air compressor. It keeps you knowledgeable of the volume of air delivered by the compressor. If your tank or tank is destroyed, your readings will be mistaken. If the stress swap is damaged, it will not operate effectively and result in incorrect readings. The good news is, there are some easy approaches to fix this. To avoid this from taking place, keep the tank pressure change in excellent condition.
When the air force in the tank drops to the minimize-in pressure location, the swap enables electricity to stream by way of it. This will commence the motor and pump of the air compressor. Then, if the stress in the tank rises above the minimize-off amount, the change will vacation and cease the compressor. This will avert it from getting over-pressurized. Electrical power flow will continue to circulation to the motor. Based on your compressor design, you can alter the cut-in and cut-out pressures as necessary.

energy supply

The power offer of the air compressor is really important. Most air compressors operate on 12 VDC, which is perfect for automotive use. Alternatively, you can get a switching electricity provide for around $20. No subject which power provide you pick, you should make sure that it can assistance the greatest existing of the compressor. You can uncover energy materials in all sizes, from quarter-horsepower to 5-horsepower.
The voltage necessary for a a few-period air compressor will differ. Three-stage air compressors call for a few independent energy cords and a a few-period electrical provider panel. This is due to the fact a standard one hundred twenty/240-volt electrical support panel is not adequate to electricity a three-phase compressor. Furthermore, 3-stage compressors call for a few separate isolated wires for the engine and motor circuits. A few-section compressors do not require a neutral wire.

China Good quality 220V 50Hz/60Hz Portable Low Noise Oilless Air Compressor with 17L 24L 50L Air Tank     with Hot sellingChina Good quality 220V 50Hz/60Hz Portable Low Noise Oilless Air Compressor with 17L 24L 50L Air Tank     with Hot selling

China wholesaler Widely Used 8bar 24L 50L 1HP 2HP Piston Oil Direct Driven Portable Air Compressor with Good quality

Product Description

Solution Description

 

Solution Parameters

 

Packaging & Shipping

one) Packing Particulars
Packed in nylon firstly, then carton, and then strengthened with picket scenario for outer packing.Or according to client’s prerequisite.

two) Delivery Information
Samples will be transported in 15 days.
Batch purchase leading time in accordance to the genuine circumstance.

Organization Profile

ZHangZhoug Jinjin Motor Co., Ltd, found in Zeguo City, HangZhou, HangZhou City, China, enjoys practical land, sea and air transportation network.

We are specialized in air compressor, pneumatic tools and spray gun.

For air compressore, there is oil totally free oiless air compressor and piston oil air compressore.

Spray gun incorporate washing gun, tire inflating gun and accent ets.

About pneumatic resources, there are air influence wrench sequence, pneumatic screwdriver collection, air die grinder series, tire pressre gue, air angle sander.

We have received ISO90001-2008 top quality certification, CE certificate and CCC certification. Our goods are extensively exported to more than fifty nations and areas, such as east Europe, Southeast Asia, South America, Middle East, Africa etc. Meanwhile, we have held well touch with many trading businesses at house and overseas for cooperation partnership.

“Trustworthy high quality, Exceptional provider, Sensible value, Timely shipping” is our company persistent pursuit. Searching ahead to be your lengthy term organization companion.

Comprehensive Photos

FAQ

Q:Why select us?
A:expert manufacturer for 10 years
  good quality material and sophisticated take a look at machine

Q:What is your MOQ?
A:10 pcs is ok for every single product.At first time,trial buy is all right.

Q:What about your guarantee?
A: 1 calendar year,other than man-manufactured ruined.

Q:how about your payment way ?
A: 30% T/T in advance,70% stability on sight of BL copy by T/T or irrevocable L/C.

Q:Can you make OEM/ODM order?
A:Of course,we have abundant encounter on OEM/ODM buy.

Varieties of Air Compressors

There are several types of Air Compressors offered on the marketplace. Discover which one particular is right for your demands and what makes one particular better than yet another. Find out much more about Single-stage models, Oil-cost-free models, and Lower-sound types. This report will clarify these types and support you choose which one you need to have. You can also learn about Air Compressors that have solitary-stage compressors. If you are hunting for a higher-high quality compressor, this report will assist you pick a unit.
air-compressor

Air Compressors

Air compressors function by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder by way of an exhaust valve. A single of the most typical sorts of air compressor is the reciprocating variety. Another kind of compressor is a single-phase piston. These varieties of compressors compress air in 1 stroke – equal to the complete rotation of the piston’s crankshaft.
These products modify electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, growing its stress. Air compressors normally have a minimum strain of thirty bars. The reduced stress band is the assortment of air stress. Most compressors are managed independently, but community controls can be utilised to interconnect multiple compressors. This variety of controller will not work for all types of compressors. There are other sorts of air compressors that can converse with every other.
Compressed air has numerous apps in all kinds of industries. In agriculture, it can power pneumatically powered content managing devices for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also utilized in the pharmaceutical business for mixing tanks, packaging, and conveyor techniques. Moveable air compressors, which can be driven by diesel gas, are often employed at remote drilling internet sites. Transportable air compressors are also generally employed in oil and fuel. They can be employed to remotely manage valves and put in reactor rods.
Whether or not you use an air compressor for agricultural reasons or in a manufacturing setting, there are some features to take into account when deciding on an air compressor for your demands. A good compressor will have a safety unit. It will routinely shut off the input air and output air after sufficient compressing has been accomplished. These functions will assist your air compressor continue to be successful and protect your gear. The security gadget is an essential function of any air compressor to improve its all round performance.
Vane air compressors are the most typical type. They are normally more compact and less powerful than reciprocating piston compressors, so you can use 1 of these for apps that are underneath a hundred horsepower. The vane air compressors have low compression ratios and substantial capacities, but they are normally restricted to lower-energy programs. Vane compressors have a tendency to run sizzling, and they typically have a reduced compression ratio. It is critical to select the proper oil viscosity for your compressor.
air-compressor

Single-phase types

When evaluating single-stage air compressors, look for the expression “levels.” Multi-stage compressors use two stages and can take care of a lot more ability and force. 1 phase includes pressurizing air utilizing a piston and a reduce-force cylinder. This compressed air is then moved to a storage tank. Solitary-stage models are inclined to be a lot more vitality-effective than their two-phase counterparts. But if you never need a large-pressure cylinder, a one-phase air compressor can be the greatest option.
Despite the fact that single-phase air compressors create significantly less electricity, they can create enough air to electricity pneumatic resources and other pneumatic equipment. These solitary-phase units are most beneficial for smaller sized-scale home projects and Do-it-yourself initiatives. For far more industrial functions, a dual-stage design is the greatest choice. But if you might be in a hurry, a solitary-phase unit may be enough. In the long run, it is dependent on what you plan to do with the air compressor.
One-phase air compressors function a single cylinder, a single piston stroke for every single revolution of pressurized air. Solitary-phase compressors are normally scaled-down and far more compact, generating them a excellent decision for more compact perform environments. Their cfm ability (cubic ft for every minute) is an critical indicator of running capability. If you program to use a number of pneumatic instruments, you will possibly need to have a higher cfm design. In the same way, the horsepower of single-stage compressors suggests its working capability. 1 horsepower moves 550 lbs per foot for every minute.
Multi-phase air compressors are typically far more high-priced and far more strength-efficient than single-phase models, but they can offer higher air movement rates. Even though they may possibly be much more sophisticated, they can reduce basic working costs. If you strategy on employing your air compressor for industrial or commercial use, a twin-phase product might be the ideal choice. However, if you might be organizing to use the air compressor for mass creation, a one-stage model might be the greatest selection.
Solitary-stage air compressors have the very same piston measurement and number of inlets, whilst dual-stage designs have a smaller sized first piston and a much more time second piston. Both have a cooling tube in among the two pistons to lessen the air temperature before the next round of compression. The one-phase model is usually little and transportable, whilst the double-stage air compressor is stationary. These compressors can both be stationary and massive.

Lower-noise versions

In spite of its name, lower-sounds designs of air compressors are not all the identical. The sounds degree of a compressor can be afflicted by several aspects, including the electricity source and proximity to the machine. Reciprocal compressors are usually louder than electrical kinds simply because of their many moving components. By contrast, rotary-screw and scroll compressors have less moving parts and are quieter.
The noise amount of a fuel-run air compressor can be extremely high, producing it unsuitable for use indoors. To combat this dilemma, you can choose an electric design. The sounds stage of a compressor is largely triggered by motor friction. The include of a piston is also a key element in sound, as pistons with small addresses will generate a lot of sounds. Formerly, oil was required for a tranquil compressor. Even so, this has modified many thanks to the health-related industry’s demand from customers for oil-totally free versions.
The Nuair EC28M Peaceful Air Compressor is another design that functions peaceful operation. This air compressor can make 59dB of noise. This level is low enough to allow you to carry on standard conversations even though it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-travel induction motor. These two features make it a great option for organizations.
Low-noise designs of air compressors are accessible for the building business. However, these compressors are not always lower-good quality, which is why you must contemplate the sound stage of your air device before acquiring 1. The experts at Mid-Tech can recommend the minimal-sound versions for your certain application and place. Sound can distract people who function close to the air compressor. That is why a lot of companies now opt for these versions.
air-compressor

Oil-free types

A amount of oil-free designs of air compressors are available, but what can make them special? Oil-free of charge compressors never contain oil, so they’re lubricated by grease instead. They’re a very good option if you are functioning with a tiny compressor and don’t want to danger harming it. On the other hand, oil-cost-free types do generate significant quantities of warmth, which can harm the compressor. Greater force can grind the compressor against by itself, or even warp it.
A number of words and phrases of understanding can support you select the ideal oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how effective the motor is. Increased horsepower signifies a higher PSI or ACFM. You can also use the ACFM to examine the two. Scroll technologies is a modern air compression system that makes use of a stationary and cell spiral. This decreases the quantity of air in the compressor by directing it to the centre.
Acquiring an oil-free of charge air compressor doesn’t have to be a complicated task, however. A excellent distributor can advise you on what sort of oil-free of charge air compressor is correct for you. This way, you can help save funds and appreciate peace of mind while making use of your air compressor. And, of training course, the very best way to get a fantastic deal on an air compressor is to speak to a distributor who is well-informed about the products obtainable.
An oil-totally free air compressor is a great choice for companies that are sensitive to the contamination of air. For example, in the pharmaceutical and foodstuff sector, a minuscule oil could spoil a merchandise or even harm creation equipment. Oil-free of charge air compressors usually have reduce upkeep costs than oil-flooded designs due to the fact there are fewer relocating areas. Because of this, oilless air compressors demand much less upkeep and may nonetheless want to be replaced from time to time.
A couple of benefits of an oil-free of charge air compressor above an oil-lubricated 1 consist of lower sounds amounts. Oil-totally free air compressors are likely to be less noisy and operate a lot more quietly than oil-injected types, but you should even now meticulously weigh the pros and negatives just before generating a choice. Also, consider how a lot you use your air compressor before deciding on a model. The pros outweigh the disadvantages. In the conclude, you will be glad you chose an oil-totally free air compressor.

China wholesaler Widely Used 8bar 24L 50L 1HP 2HP Piston Oil Direct Driven Portable Air Compressor     with Good qualityChina wholesaler Widely Used 8bar 24L 50L 1HP 2HP Piston Oil Direct Driven Portable Air Compressor     with Good quality