... ); Discharge pressure: 7----15bar. We also oil-free swing compressors, centrifugal compressors, explosion-proof compressors; air compressor system.Air dryers: related purification equipment for compressed ... , Absorptions dryer.3. Rotorcomp screw compressor features: Germany technique and air end, Schneider contactor, England shell oil Auto protect and alarm, unattended operation ...