2 X 2.5 INCH FRISTHAM SANITARY STAINLESS STEEL CENTRIFUGAL PUMP Stock Number: P-2549 Fristham sanitary centrifugal pump Stainless steel, 15 Hp, 3450 rpm, 208-230/460v, 3ph Rated for 175 gpm, 80 ft. head 2 x 2.5 inch tri-clamp in & out (1) available Posted in Pump, Centrifugal.