Sihi Liquid Ring Vacuum Pump. Model: LPHA 45312. S/N: 3014 304. Capacity: 3 gpm. Max. input horsepower: 7.5. Max. Input rpm: 1750. Vacuum: 20 in. Hg. Airflow: 102 scfm. Baldor Industrial Motor, 7-1/2 hp, 1725 rpm, 208-230/460 V, 21.5-20/10 amps, 60 Hz, 3 phase. Sihi pumps offer high vacuum performance with low noise and vibration levels. Great for drying, distillation, deaeration, evisceration, extrusion, vapor recovery, evaporative crystallization, vacuum packaging, and as central vacuum systems. Inlets/outlets: (2) 1-1/2 in. dia. ports with 5 in. dia. flanges, each with (4) 1/2 in. dia. attachment holes at a center-to-center distance of 2-3/4 in. Overall dimensions: 42 in. L x 19 in. W x 19 in. H.