You Professional Direct Air Compressor Suppliers！
Yijia Hardware Industrial Supermarket, as an innovative leader in the industry, is committed to providing one-stop hardware procurement solutions for various industrial enterprises, construction projects, and DIY enthusiasts. Our large-scale 4,000-square-metre supermarket showcases more than 20,000 hardware products from world-renowned brands as well as high-quality local manufacturers.
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![5P Direct-coupled Air Compressor]()
5P Direct-coupled Air CompressorBasic concepts The "5P" in a 5P direct-coupled compressor usually refers to a power of 5 horsepower (about 3.75kW), and "direct-connection" refers to the direct connection between the motor and the compressor unit...view more -
![4P Direct-coupled Air Compressor]()
4P Direct-coupled Air CompressorStructural features Direct transmission: the power of the motor is directly transmitted to the machine head through the elastic coupling, with fewer transmission links, less energy loss, and high transmission efficiency, up to 98%-99%...view more -
![3P Direct-coupled Air Compressor]()
3P Direct-coupled Air CompressorWorking principle: 3P direct-coupled air compressor usually adopts the working principle of reciprocating piston type 5. The driving machine drives the crankshaft to rotate, and the crankshaft drives the piston to reciprocate in the...view more
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Professional Team
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Diversified Demand
We From basic screws, nuts, tools and measuring tools, to high-end industrial equipment and electrical components, we have everything to meet the diverse needs of different customers at different project stages.
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Production Market
Yijia hardware has a wide range of mechanical and electrical sales, with footprints in Europe, America, Asia, Africa, Latin America and other countries.
A direct-driven air compressor is a type of compressed air system where the compressor pump is coupled directly to the drive motor without any belts, gears, or pulleys. Both reciprocating air compressors and rotary-screw air compressors can utilize direct drive systems.
Product Specification
We offer the following Specifications：
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Ampere: |
8.0A(50HZ); 13.5A(60HZ) |
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Speed(rpm): |
2850(50HZ); 3450(60HZ) |
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Air delivery(40psi): |
142L/min(50HZ); 167L/min(60HZ) |
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Air delivery(90psi): |
108 L/min (50HZ); 127 L/min (60HZ) |
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Motor: |
2.5 HP (1.86KW) |
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Pressure(ON): |
105 psi; (OFF):135 psi |
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Noise Level(1.0M): |
88 db |
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Tank: |
20 Liter(5.2 Gal) |
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Weight: |
49kgs(107.8 lbs) |
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Size: |
70 x 52 x 56 cm |
Types of Direct Air Compressor
Oil Lubricated Direct Drive Compressor
Direct drive compressors with oil lubrication use oil to lubricate the compressor screw element, cooling, lubricating, sealing the compression chamber, and thereby enhancing performance.Oil lubricated direct drive compressors are usually economical compared to belt driven on maintenance and overall energy consumption.
Oil Free Direct Drive Compressor
Oil-free direct drive compressors operate without the use of oil. Here Teflon graphite special coatings are made on the screw elements to prevent leakages and resist high temperatures for 100% high quality Class 0 compressed air. They are perfect for industries that require oil-free air quality and customers who are looking for lowest total cost of ownership – maintenance intervals are much lesser compared to oil-lubricated.
Advantages of Direct Air Compressor
Compact Design
Due to the removal of a belt-driven system, direct drive compressors have a compact and maintenance friendly design. They are therefore simple to install at site – Plug & Play units.
High Efficiency
Direct drive compressors come with direct transmission which almost eliminates drive loses, increasing output efficiency. The direct drive mechanism maximizes efficiency and minimizes energy loss allowing direct drive air compressors to carry out heavy -duty continuous demand applications with ease.
Low Maintenance
Direct drive compressors require less maintenance since they have fewer moving components. The direct drive technology also does away with the necessity for expensive and time-consuming belt maintenance and tensioning.
Withstand Harsh Environments
Direct drive compressors are suitable to operate within extreme environments and tough conditions. They are frequently used by industries like cement and metal, where they may be exposed to dust, debris, and extreme temperatures.
Motor: Drives compressor to 5 hp (approx. 3.75kW), typically three-phase asynchronous motor, accommodating industrial voltages (e.g. 380V)
Compressor host: Mostly piston type or screw type structure (common piston type), through the piston reciprocating motion or screw meshing compressed air
Coupling: Directly connect the motor and the main engine to transmit power, ensure coaxiality and reduce transmission loss
Air Tank: Stores compressed air and stabilizes air pressure, and the capacity is usually 20~100L
Application of Direct Air Compressor
Industrial production: Widely used in machinery manufacturing, automobile maintenance, electronic appliances, food and beverage, pharmaceutical and other industries, to provide compressed air for various production equipment, such as pneumatic tools, pneumatic valves, cylinders, spraying equipment, etc
Architectural decoration: It can be used for painting, spraying, pneumatic nail gun, air picks and other operations in building construction, as well as painting and gluing in home decoration.
Healthcare: In the medical field, 3P direct-coupled air compressors can be used for air supply for dental equipment, medical pneumatic tools, ventilators, and other equipment.
Other fields: It can also be used in mining, metallurgy, chemical industry, textile, printing and other industries, as well as some special occasions that require compressed air, such as diving, fire fighting, aviation, etc
Precautions
Replace the lubricating oil regularly
The lubricating oil is one of the important factors to ensure the normal operation of the air compressor, and the lubricating oil should be replaced regularly according to the instruction manual and working environment of the air compressor, generally every 1000-2000 hours of operation or every six months
Clean air filter
The function of the air filter is to filter impurities and dust in the air to prevent it from entering the air compressor and affecting the normal operation of the air compressor. The air filter should be cleaned regularly, generally every 200-300 hours of operation or once a month
Check the tightness of the belt
For the air compressor with belt drive, the tightness of the belt should be checked regularly to ensure the transmission efficiency and service life of the belt. Typically every 100-200 hours of operation or quarterly.
Packaging & Shipping
FAQ
As one of the leading direct air compressor suppliers in China, we warmly welcome you to wholesale direct air compressor made in China here from our factory. All customized tools are with high quality and competitive price. Contact us for free sample.
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