... 2000 certificate Air cooled screw air compressor, Industrial air compressor, Electric air compressor, Belt driven air compressor, Rotary screw air compressorBelt driven/ Air cooling screw air compressor Model ... airend, Special motor for low rotation speed air compressor, with SKF bearing, isolation rate is F ... according to your actual requirements, for example 220V/3P/60Hz,415V/3P/50Hz,440V/3P/50Hz ...