Forged steel valves Ends Flanged (Drilled & Undrilled) As Per Ansi B 16.5 CLASS – 150 R.F. Body Hydrostatic Test Presure Twice The Set Pressure Ibr Approved With Discharge Capacity Constant Of '24' Accurate Spring Designs To Achieve Blow Down Within 5% Which Saves Wastage Of Steam. Soft Seated Safety Relief Valve Are Used For Low Temperature And Critical Application.