Adjustable Relief Valve Body Material Bronze Inlet Type FNPT Outlet Type MNPT Inlet Size 1 1/2 in Outlet Size 1 1/2 in Factory Set Pressure 225 psi Disc Material Bronze Overall Height 8 5/8 in Application Liquids Overall Length 4 1/4 in Spring Material 316 Stainless Steel Temp Range -60 Degrees to 406 Degrees F Test Lever No