Adjustable Back Pressure Relief Valve, Body Material Bronze, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 3/4 in, Factory Set Pressure 100 psi, Disc Material Metal, Overall Height 7 in, Application Liquids, Overall Length 3 1/4 in, Seat Material Bronze, Spring Material Stainless Steel, Temp. Range 40 Degrees to 450 Degrees F, Test Lever No, Standards ASME Section IV, CRN, CSA