Model "SF" ASME safety valves are designed for systems where large flow capacities are needed. Resilient pad insures valve is bubble-tight to within 10% of set pressure. Inlet size: 1/2" NPT.
All brass construction with zinc-plated music wire spring and a rubber seal, offered in silicone or flourocarbon. Stamped with "UV" and "NB" symbols. Set pressure tolerance +3% of set pressure. 250°F max. temperature.