Graham Multi-Stage Precision Vacuum Pump. Model: 2V4212. S/N: 54921-3. 2-stage. Pump seal liquid capacity: 6 gpm. Temperature: 60 °F. BHP: 5.8. Lincoln Motor, 7.5 hp, 1745 rpm, 230/4640 V, 20.4/10.2 amps, 60 cycles, 3 phase. Product inlet/outlet: 1-1/2 in. threaded (female), flange: 5 in. diameter with (4) thru-holes at center distances of 4 in. Overall dimensions: 50 in. L x 12 in. W x 49 in. H.