Rotary Screw Compressor ZR 90 VSD FF Atlas Copco Features Purpose Usage Supplies Reserve Model ZR 90 VSD FF Flow rate 15.5 m³/min Pressure 8.75 Bar Motor 90 kW Oil-free. Water cooled. Frequency controlled. Built-in dryer. Your name (*) Your E-mail (*) Subject Your message (*) All (*) fields are required. 2017-07-05