Atlas Copco India Limited manufactures Oil-free Water-injected Rotary Screw Compressor. The manufacturing plant of Atlas Copco India Limited is an ISO 9001 and 14000 accredited. Oil-free Water-injected Rotary Screw Compressor is available in water-cooled and air-cooled versions. Oil-free Water-injected Rotary Screw Compressor is provided with the ultimate all-in-one package to reduce the electricity bill with 40%. The model no. Of this compressor is AQ 30-55/ AQ 37-55 VSD. By preventing oil from entering the compression process, the generation of consistent 100% oil-free air of this compressor is ensured while the benefit from lower operating and maintenance costs with a CLASS 0 certified compressor.