Unused 445 GPM 316SS Horizontal Centrifugal Pump.Mfg. by Durco (Flowserve). Model Mark III. 92' head. Size 2K4x3-100P-8.88. Type MK3 STD. MDP 275 psi @ 100°F. 306°F. Casing: 316SS. Impeller: CD4M. 60 HP motor. Serial #1400944CHP002D. Built as Silica Reactor Discharge Pump.