Kunkle Valve 0537-E01-HM0100 Relief Valve

Kunkle Valve 0537-E01-HM0100 1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 100 PSI, 4312 lb/h(PPH), (4,311,752 BTU/h) Capacity, Bronze, B584 alloy 8440 Seat, SST Spring Material, ASME Section IV Steam (Hot water boiler) Pressure Relief Valve with heavy duty lift lever