Adjustable Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 1 in, Outlet Size 1 in, Factory Set Pressure 250 psi, Pressure Range 201 to 250 psi, Disc Material 316 Stainless Steel, Overall Height 7 1/2 in, Application Liquids, Seat Material 316 Stainless Steel, Spring Material 316 Stainless Steel, Temp. Range 0 Degrees to 450 Degrees F, Test Lever No