China high quality CHINAMFG Guangzhou China Manufacturer Car Reparis Tool Equipment Direct Drive Oil Free Screw Air Compressor CE Europe lowes air compressor

Product Description

Product Description

Screw Air Compressor

Screw Air Compressor A Series
Model BD-10A BD-15A BD-20A BD-30A BD-40A BD-50A

Air Volumn(m³/h)

Air Pressure(Mpa)

1.35/0.7 1.8/0.7 2.5/0.7 3.8/0.7 5.2/0.7 6.5/0.7
1.2/0.8 1.6/0.8 2.3/0.8 3.4/0.8 5.0/0.8 6.1/0.8
1.0/1.0 1.3/1.0 2.0/1.0 3.1/1.0 4.3/1.0 5.5/1.0
0.8/1.2 1.0/1.2 1.7/1.2 2.7/1.2 3.8/1.2 4.9/1.2
Ambient Temperature -5~+45ºC
Cooling Way Air Cooling

Discharge Temperature

Ambient Temperature<15ºC
Lubrication – oil 6L 12L 18L 20L 20L 20L
Noise 66±2 68±2
Driving Way Belt Drive Direct Drive
Electricity 380V 3PH 50Hz
Power 7.5KW 11KW 15KW 22KW 30KW 37KW
Starting Method Star-Delta Starting
Dimension L 960mm 1100mm 1100mm 1380mm 1500mm 1500mm
W 580mm 710mm 710mm 850mm 1000mm 1000mm
H 770mm 1100mm 1100mm 1250mm 1350mm 1350mm
Net Weight 178KG 327KG 337KG 500KG 683KG 683KG
Outlet Pipe Diameter 1/2” 1” 1” 5/4” 3/2” 3/2”

Direct drive screw air compressor

Connet with rotor, motor and it’s outer case form a unit which can achieve zero maintenance. Besides, due to less spare parts, direct drive has less transmission loss to make it more table and get longer life.


Company Profile








Q1:Are you Manufacturer or Trading Company?
A:We are a professional manufacturer with our own export department.
Our factory was established in 2000.

Q2:Where is your factory located? How can I visit there? 
A:Our company is located in HangZhou City, China.All clients, from home and abroad,are warmly welcomed to visit us.

Q3. What is your terms of packing?

A: Generally, we pack our goods by thicker bubble paper, some of them are packed by carton.

Q4. What is your terms of payment?
A: By T/T, 30% as deposit for production, and 70% balance before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q5. What is your terms of delivery?
A: Normally our quotation is under FOB HangZhou, but we also accept EXW, FOB, CFR, CIF, DDU. 

Q6. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving full payment. If your voltage is different from 380V/3PH/50Hz, the delivery time will be around 20 days for custom-made motors or electric components. 

Q7.Can we customize our product?
A:Yes,you can.Customized material and standard are acceptable. We can provide different standards according to your market and favor.

Q8: How do you make our business long-term and good relationship?
A1. We keep good quality and competitive price to ensure our customers benefit ;
A2. We respect every customer as our friend and we sincerely do business and make friends with them.

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After-sales Service: Online Service
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal


air compressor

What role do air dryers play in compressed air systems?

Air dryers play a crucial role in compressed air systems by removing moisture and contaminants from the compressed air. Compressed air, when generated, contains water vapor from the ambient air, which can condense and cause issues in the system and end-use applications. Here’s an overview of the role air dryers play in compressed air systems:

1. Moisture Removal:

Air dryers are primarily responsible for removing moisture from the compressed air. Moisture in compressed air can lead to problems such as corrosion in the system, damage to pneumatic tools and equipment, and compromised product quality in manufacturing processes. Air dryers utilize various techniques, such as refrigeration, adsorption, or membrane separation, to reduce the dew point of the compressed air and eliminate moisture.

2. Contaminant Removal:

In addition to moisture, compressed air can also contain contaminants like oil, dirt, and particles. Air dryers help in removing these contaminants to ensure clean and high-quality compressed air. Depending on the type of air dryer, additional filtration mechanisms may be incorporated to enhance the removal of oil, particulates, and other impurities from the compressed air stream.

3. Protection of Equipment and Processes:

By removing moisture and contaminants, air dryers help protect the downstream equipment and processes that rely on compressed air. Moisture and contaminants can negatively impact the performance, reliability, and lifespan of pneumatic tools, machinery, and instrumentation. Air dryers ensure that the compressed air supplied to these components is clean, dry, and free from harmful substances, minimizing the risk of damage and operational issues.

4. Improved Productivity and Efficiency:

Utilizing air dryers in compressed air systems can lead to improved productivity and efficiency. Dry and clean compressed air reduces the likelihood of equipment failures, downtime, and maintenance requirements. It also prevents issues such as clogging of air lines, malfunctioning of pneumatic components, and inconsistent performance of processes. By maintaining the quality of compressed air, air dryers contribute to uninterrupted operations, optimized productivity, and cost savings.

5. Compliance with Standards and Specifications:

Many industries and applications have specific standards and specifications for the quality of compressed air. Air dryers play a vital role in meeting these requirements by ensuring that the compressed air meets the desired quality standards. This is particularly important in industries such as food and beverage, pharmaceuticals, electronics, and automotive, where clean and dry compressed air is essential for product integrity, safety, and regulatory compliance.

By incorporating air dryers into compressed air systems, users can effectively control moisture and contaminants, protect equipment and processes, enhance productivity, and meet the necessary quality standards for their specific applications.

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.


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 different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China high quality CHINAMFG Guangzhou China Manufacturer Car Reparis Tool Equipment Direct Drive Oil Free Screw Air Compressor CE Europe   lowes air compressorChina high quality CHINAMFG Guangzhou China Manufacturer Car Reparis Tool Equipment Direct Drive Oil Free Screw Air Compressor CE Europe   lowes air compressor
editor by CX 2024-04-09