0.2 mbar / 0.15 Torr, Pump construction 3 Claw, Maximum back pressure 2.2 psig, Nominal Capacity 323 m3 h-1 / 190 ft3 min-1, Capacity @ 7.5 Torr 190 ft3 min-1, Ultimate vacuum 0.2 mbar / 0.15 Torr, Power Consumption @ 7.5 Torr 8 HP. Cooling water flow rate 0.2 – 2.6 gal/min; Noise < 82 dB(A), Total Gas Input (seal purge) 0.7 ft3min-1; Weight 1820. Drect driven. motor is rated Hazardous locations.