Adjustable Back Pressure Relief Valve, Body Material Polypropylene, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 2 in, Outlet Size 2 in, Factory Set Pressure 150 psi, Pressure Range 5 to 100 psi, Not Applicable BtuH, Overall Height 15 in, Overall Length 5 1/2 in, Seat Material FKM, Spring Material Plated Steel, Temp. Range 32 Degrees to 180 Degrees F, Test Lever Test Lever Not Included, Standards ISO 9001:2015. This item has been restricted from sale in the following state (s): []