Fristam FM-Series 3-stage Sanitary Centrifugal Pump. S/N: FM 32267001. 316 Stainless Steel Construction. Capacity: 100 gpm @ 340 tdh (147 psi using specific gravity of water = 1). Displacement per Revolution: 0.028. Seal option: Silicon carbide/silicon carbide front seals, carbon rear seal. 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. FM pumps feature heavy-duty bearing block assemblies using labyrinth oil seals, heavy-duty bearings, and coupling guards. The FM's seal and bearing life are usually measured in years rather than months. Best in class for pressure and flow capabilities, reduced energy cost with higher efficiencies, and this line of pumps exceeds filtration and RO requirements, all with fewer pump stages. Inlets/outlets: (2) 2 ½ in. dia. ACME fittings. Overall dimensions: 4 ft. 6 in. L x 1 ft. 8 in. W x 1 ft. 5 in. H. (ACN154).