174A BOILER PRESSURE RELIEF VALVE 3/4 SET @ 50 PSI

0274513 174A BOILER PRESSURE RELIEF VALVE 3/4 SET @ 50 PSI 0274513 This 3/4 inch boiler pressure relief valve is used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all types of hot water heating supply boiler equipment. It consists of a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. It resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief, not as an operating control. The pressure relief is set at 50 psi (344.7 kPa) with corresponding high pressure ratings up to 950,000 BTU/hr. Spring loaded Non mechanical seat-to-disc alignment will not stick or freeze Bronze body Automatic reseating Inlet Connection Size 3/4" Inlet connection Type Female Threaded Inlet Thread Type NPT Maximum Working Pressure PSI 38 Outlet Connection Size 3/4" Outlet Connection Type Female Threaded Outlet Thread Type NPT Pressure Range 30 to 150 PSI Pressure Relief Setting PSI 50 Series 174A