Unused 40 hp Horizontal Centrifugal Pump.Mfg. by Durco (Flowserve). Type MK3 STD. 451 gpm @ 203' head. Size 2K4x3-10RV7.56. MDP 275 psi @ 100 deg. F. 248 deg. F. Casing: 316SS. Impeller: CD4M. 40 HP motor. Serial #1400944CHP008E. Pre-Coat Filter Aid Mixer Discharge Pump.