Rotary Gear Pump Head, Body Material Cast Iron, Compatible Motor Frame 182TC/184TC, Viscosity - Maximum 550 SUS, Suction Lift - Maximum 19.5 ft, Operating Pressure - Maximum 125 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 3/4 in, Flow Rate @ 100 psi 23.9 gpm, Seal Type Mechanical, Seal Material Buna-N, Carbon, Ceramic, Stainless Steel, Gear Design Spur Dayton heavy duty gear pumps feature self priming, bidirectional, positive displacement, designed to operate with a nearly pulseless flow. They are used in a wide variety of applications including industrial, agricultural, marine, domestic, and commercial apartments. The pumps can be directly mounted.