Rotary Gear Pump Head, Body Material Stainless Steel, Compatible Motor Frame Not Applicable, Viscosity - Maximum 550 SUS, Suction Lift - Maximum 3.5 ft, Operating Pressure - Maximum 125 psi, Operating Temperature - Maximum 280 Degrees F, Operating Temperature - Minimum 32 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 3/4 in