Rotary Gear Pump Head, Body Material Bronze, Compatible Motor Frame 56C, 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 1/4 in, Connection Type NPT, Shaft Outer Diameter 1/2 in, Flow Rate @ 100 psi 4.4 gpm, Seal Type Mechanical, Seal Material Buna-N, Carbon, Ceramic, Stainless Steel, Gear Design Spur