at 0.075 torr oil seal single stage, dry vacuum pump This pump is water cooled, positive displacement, and rotary screw type direct drive with oiler evaporative cooler and knock out pot 230/460V motor rated for Class 1 Groups C & D Div 1 Complete skid includes two -2" flame arrestors, 12 liter flushing reservoir, Hastelloy after condenser, one pass, 8 Sq.Ft., and the U-12 knock out pot, with filter and teflon de-mister Knock out pot is Tefzel lined Carbon Steel Water usage required is 1 gpm