Carbon Steel Double Post Hi-Lift Safety Valve Rating : Max. BOP 250 PSIG (17.24 Bar) at 800 F (427 C), Set Pressure 250 PSIG Material : Carbon Steel Description : Spring Loaded, High Lift Trim : SS410 + Stellites Seats Ends : Flanged Specials : IBR Item Code : BM000009 Size : 25mm Notes : Available Valve Size : 25mm to 90mm