3 X 2-10 STAINLESS STEEL CENTRIFUGAL PUMP Stock Number: P-1292 Mfg. Tri-Clover Pump Model C328SD 3 x 2 inch threaded connections 20 Hp, 3500 rpm, 230/460v, 3ph, 60hz Easy clean clamp housing Used for DI water (2) available Posted in Pump, Centrifugal.