●Asymmetric screw rotor designed by RefComp, lobe ratio5/6, excellent lubrication, perfect meshing between teeth,smooth and quiet operation of the compressor.
●Small size, filter, cut- off valve and temperature sensor is integrated into the compressor body. Optimized design, less space required.
●Motor protection module provides reliable protection against motor overheating, phase reversal and phase loss.
●Real-time tracking provides the operation status of the motor and system.
●Multiple duplex bearings is able to avoid rotor axial / radial wear, resulting in high load and low noise.
●Embedded oil separator.
●Multi- step separation, oil efficiency as high as 99.85%.
●Embedded 100μm high-density suction filter, easy tore place.
●Unique structure and space design, using the sub cooled refrigerant gas between suction shut- off valve and the inlet side of the screw to effectively cool down the motor.
●Suction/discharge shut- off valves are able to reverse360° , which are easily installed with flexibility.
●Embedded safety valve: high specification design, safe and reliable.

The semi-hermetic explosion-proof screw compressor is applied in the middle/high-temperature refrigeration application field. This series of compressors is designed and tested in accordance with European standards EN60335-2-34. It complies with the explosion index and passes the test of the quality supervision and inspection department authorized by the state. And the product explosion proof certificate is gained. The proof mark is Exdibmb II BT4 Gb. Therefore for the use of refrigeration, it can be applied to the 1/2 area of the petroleum, chemical, metallurgy, pharmaceuticals, defense industry where exists the explosive gas mixture.