... - high-quality maiframe 3- efficient and reliable motor screw air copressor : 8 bar air compressor , OLG - 180W Typepower(KW/HP)Pressure(bar ... the direct drive series . 2. There is the direct connection type with no gear for 22 KW, 37KW,55KW, 75KW, 90KW ... . 4. The soft starting and frequncy changing type can be made according to the requirement of the user . 8 bar air compressor