Buffalo Pumps Can-O-Matic pump. Model: AB6. Flow rate for new pump is 55 gpm with required horsepower and pressure. Discuss with salesperson your process to determine if this pump should handle your specific duty. Impeller dia: 5-1/4 in. Buffalo pumps motor, 3 hp, 3500 rpm, 230/460 V, 9.1/4.6 amps, 60 Hz, 3 phase. Inlets: (1) 3 in. dia. flanged inlet. Outlets: (1) 1-1/2 in. dia. flanged outlet. Overall dim: 1 ft. 11 in. L x 10 in. W x 1 ft. 1 in. H.(ACN87).