Rotary Gear Pump Head Body Material Bronze Compatible Motor Frame Not Applicable Viscosity - Maximum 550 SUS Suction Lift - Maximum 3.5 ft Operating Pressure - Maximum 125 psi Operating Temperature - Maximum 210 Degrees F Operating Temperature - Minimum -20 Degrees F Required Horsepower 1 hp Connection Size 3/8 in Connection Type NPT Shaft Outer Diameter 1/2 in Flow Rate @ 100 psi 4.4 gpm Seal Type Mechanical Shaft Length 2 3/8 in