POP Safety Relief Valve, Body Material Stainless Steel, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 in, Outlet Size 1 in, Factory Set Pressure 150 psig, Pressure Range 15 to 1200 psi, Disc Material 316 Stainless Steel, Overall Height 5 5/8 in, Overall Length 9 1/2 in, Seat Material Metal, Spring Material Stainless Steel, Temp. Range -320 Degrees to 800 Degrees F, Test Lever Test Lever Included, Standards CF8M ( 1.4408 ), CRN, NSF. This item has been restricted from sale in the following state (s): []