Calibrated Adjustable Relief Valve, Body Material Brass, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 1/2 in, Outlet Size 1/2 in, Factory Set Pressure 150 psi, Pressure Range 50 to 175 psi, Not Applicable BtuH, Disc Material Buna N, Overall Height 3 in, Application Air Systems, Overall Length 1 5/8 in, Seat Material Buna-N, Spring Material Stainless Steel, Temp. Range 0 Degrees to 180 Degrees F, Test Lever Test Lever Not Included, Standards Buy American Act (BAA). This item has been restricted from sale in the following state (s): []