Screw AirCompressor

Bare compressor
1. The screw air compressor uses the bare compressor featuring no vibration andlow noise.
2. The compressor has a big rotor and features low speed of rotation and direct connection.
3. Unlike other manufacturers in this field, we have specialized in the developmentand manufacturing of various screw air compressors from the very beginning.

Rotor
1. Rotors are asymmetric in profile and backed up byball bearings and roller bearings. They operate at a low speed. The screw air compressor has theadvantages of high resistance to abrasion, easy maintenance, low cost and longservice life.
2. The Helical gears can produce axial force to kill some acting force, andthen the load of bearing of bare compressor can be reduced.

Shaft Sealing Device
1. Having a mating metal-framed double-rimed fluororubber ring, our screw aircompressor can withstand some pressure and form a shaft sealing device that canbe lubricated.
2. The shaft liner is specially processed with our unique technology, and ischaracterized by perfect sealing performance and super-long service life.

Bearing
Our screw air compressors use SKF bearings that are of high quality and can withstandunusual weight, to guarantee the rotation and load as well as the long service life of bearings.

Durability and Long Service Life
1. The kernel of eachscrew air compressor lies in the bare compressor, and the screw is milled andgrounded for high precision by the state-of-art numerical control processingcenter.
2. With the advanced technical process and high quality materials as well ashigh precision measuring method, each part of our screw air compressor canensure the highest precision, and combine with the fine grinding of screwprofile and computer-based multi-step rotor control process. As a result, therotor profile will be guaranteed for 100% precision.

Optimal Mode of Rotation
1. The ERC series screw air compressors rotate by means of triangular belts,feature coupling direct connection and have gear change.
2. The compressors feature reasonable structure and can ensure excellent operation, easyand correct installation, commissioning and maintenance.
3. Our screw air compressor can achieve maximum rotational efficiency andlonger service life.

Poly Run is a professional screw air compressor manufacturer, based in China. Ourvariable frequency screw air compressor, low pressure air compressor, steamturbine screw air compressor, compressed air purification equipment, highpressure air compressor, etc. have gained widespread recognition and haveearned CE, CSA, ETL, EPA certificates. Due to reliable performance and competitive prices, our air compressorsare well received by customers from Western Europe, South America, Asia, and Africa, among many others. Located in Nanjing, we enjoy convenient air, land andsea transportation. We have easy access to abundant manpower and can producehigh quality products at reduced costs. If you have any related need, pleasecontact us for ordering information. We sincerely look forward to working withyou.