Adjustable Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 3/4 in, Factory Set Pressure 75 psi, Pressure Range 51 to 75 psi, Disc Material Bronze, Overall Height 6 in, Application Liquids, Seat Material Bronze, Spring Material 316 Stainless Steel, Temp. Range 0 Degrees to 450 Degrees F, Test Lever No