Rotary Gear Pump Head, Body Material Cast Iron, Compatible Motor Frame Not Applicable, Viscosity - Maximum 550 SUS, Suction Lift - Maximum 19.5 ft, Operating Pressure - Maximum 100 psi, Operating Temperature - Maximum 280 Degrees F, Operating Temperature - Minimum 32 Degrees F, Required Horsepower 3 hp, Connection Size 1 in, Connection Type NPT, Shaft Outer Diameter 5/8 in, Flow Rate @ 100 psi 23.1 gpm, Seal Type Lip, Shaft Length 3 5/8 in, Seal Material Viton, Gear Design Spur