Safety Relief Valve Body Material Cast Iron Inlet Type MNPT Outlet Type FNPT Inlet Size 2 in Outlet Size 2 in Factory Set Pressure 15 psi Steam Capacity (Lb./Hr.) 3 164 lb/hr Disc Material Bronze Overall Height 7 1/4 in Application Steam Overall Length 3 in Seat Material Brass Spring Material Steel Temp Range 0 Degrees to 250 Degrees F Test Lever Yes Compliance Section IV Steam Standards ASME Code Section IV