Maxitrol R500S-1/2 Gas Pressure Regulator

Gas Pressure Regulator; Type Double Diaphragm Balanced Valve; Nominal Size 1/2 Inch; End Connection Female Threaded x Female Threaded; End to End Distance 3 Inch; Body Material Aluminum; Temperature Rating -40 to 250 Deg F; Pressure Rating 5 PSI (Inlet), 12.5 PSI (Emergency Exposure Limit); Application Burner and Pilot Load, Infrared Heater and Pilot Line; Applicable Standard UL, CSA (Canada and US), CE, ANSI Z21.18; Gas Type Natural, Mixed Gas, Liquefied Petroleum Gas and LP Gas Air Mixture; Vent Pipe Connection 1/8 Inch Threaded; Swing Radius 3.6 Inch; Size 3.1 Inch Width x 4.7 Inch Height; Pressure Drop Rating 730 BTU/Hour