... 400 hp)1.Ingersoll rand air compressor 2.smart,efficiency,oil free Oil Free Rotary Screw Air Compressor (37-300 kW / 50 ... a result, UltraCoat was designed specifically for this oil-free compressor application, with its unmatched adhesion, durability, and temperature ... real key for the customer is the optimum long term compressor performance, through minimized coating wear and efficiency degradation. ...