Viking Internal Gear Pump. Model: H432. S/N: 10594874. Flow rate for new pump is 10 gpm with required horsepower and rpms. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. Maximum pump speed is 1200 rpm. Maximum pressure is 100 psi. Pump internals are cast iron with a mechanical seal. Allis-Chalmers Motor, 1 hp, 1750 rpm, 230/460 V, 3.82/1.91 amps, 60 Hz, 3 phase, 143T Frame. Motor pulley: 3 ½ in. Pump Pulley: 6 in. Current final rpms at pump is 1021. Inlet/Outlet: (2) 1 in. FNPT. Overall Dimensions: 2 ft. L x 1 ft. 3 in. W x 10 in. H.