Low Pressure Steam Boiler Safety Valve; Type Boiler; Applicable Standard ASME Section IV, CRN 0G8547.5C; Inlet Size 1-1/4"; Outlet Size 1-1/2"; End Connection Male Threaded x Female Threaded; Body Material ASTM B584 Bronze; Spring Material Stainless Steel; Seat Material TFE; Disc Material PTFE; Set Pressure Range 5 to 15 PSI; Temperature Rating 250 Deg F; Inclusions/Features Flat Seat, PTFE Faced Disc for Positive Seal, Positive Drainage of Condensate from Seat Area, Corrosion Resistant Construction; Application Low Pressure Steam Heating and Supply Boilers; Dimension 4.5" Height; Weight 2.18 Lb; Warranty 5 Year