Pressure Relief Valve,1-1/4 In,278 psi
.Range 40 Degrees to 450 Degrees F, Test Lever No, Standards CRN, CSA Adjustable Back Pressure Relief Valve, Body Material Bronze, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 1 1/4 in, Outlet Size 1 1/4 in, Factory Set Pressure 278 psi, Disc Material Stainless Steel, Overall Height 10 1/4 in, Overall Length 6 1/2 in, Seat Material Monel, Spring Material Stainless Steel, Temp.