Adjustable Relief Valve Body Material Bronze Inlet Type FNPT Outlet Type MNPT Inlet Size 3 in Outlet Size 3 in Factory Set Pressure 50 psi Disc Material Bronze Overall Height 12 1/4 in Application Liquids Overall Length 7 1/2 in Spring Material 316 Stainless Steel Temp Range -60 Degrees to 406 Degrees F Test Lever No