This type of screw air compressor which is characterized by less inner leaks, high loading capacity, high volume efficiency and low energy consumption.
Adopts direct drive, no radial-direction tension from the belts made on male-rotor bearing, and can perform high-efficiency conveyance and serve longer. Rotating speed of main machine is 630 rpm or so,.which is the operating speed of screw compressor to realize its safety, longer working life, economically cost, and low noise level and vibration.