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 1 000 psi Disc Material Stainless Steel Overall Height 7 in Application Liquids Overall Length 1 5/8 in Seat Material Bronze Spring Material Stainless Steel Temp Range -20 Degrees to 400 Degrees F Test Lever No