Rotary Screw Compressor for Sale | Screw Air .
Rotary screw Air Compressor or screw compressor uses a rotary type positive displacement mechanism. It replaces piston compressors where a large volume of high-pressure air is needed, a screw compressor is better for large industrial applications or to operate high power air tools such as jackhammers and an Industrial screw compressor has a much longer life than piston types.