Rotary Gear Pump Head, Body Material Cast Iron, Compatible Motor Frame Not Applicable, Viscosity - Maximum 550 SUS, Suction Lift - Maximum 2.5 ft, Operating Pressure - Maximum 100 psi, Operating Temperature - Maximum 280 Degrees F, Operating Temperature - Minimum 32 Degrees F, Required Horsepower 1/3 hp, Connection Size 1/4 in, Connection Type NPT, Shaft Outer Diameter 1/2 in, Flow Rate @ 100 psi 1.9 gpm, Seal Type Lip, Shaft Length 1 7/8 in, Seal Material Viton, Gear Design Spur