Fristam FM-Series 3-stage Sanitary Centrifugal Pump. Flow rate for new pump is 100 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this refurbished pump should handle your specific duty. Material of construction: stainless steel. Seal option: Silicon carbide/silicon carbide. Viton elastomers. Impeller diameter: 7 in. Motor: 25 hp, 3515 rpm, 230/460 V, 62.0/31.0 amps, 60 Hz, 3 phase. The FM-series of pumps have become the benchmark for reverse osmosis system pumps with a non-pulsating flow and lower maintenance costs and feature heavy-duty bearing block assemblies using labyrinth oil seals, heavy-duty bearings, and coupling guards. Inlet/outlet: (2) 2 ½ in. dia. ACME fittings. Overall dimensions: 4 ft. 8 in. L x 1 ft. 6 in. W x 1 ft. 9-1/8 in. H.