Western 5/8 inch-18 RH Inert Hose To Machine Quick Disconnect Set is constructed from brass alloy that provides operator comfort and long service life. Quick disconnect set features a spring-loaded locking mechanism for gas-tight connection and has a demand valve on supply side for positive seal. It includes a male plug, female socket and features non-interchangeable fuel gas connectors that avoid accidental gas mixing. Set featuring reverse flow check valve can be instantly closed with total shutoff by applying 10 oz of back pressure. It features double seal socket connection that renders second seal and has a maximum operating pressure of 200 psig. It exceeds CGA flow specifications and has 1100 SCFH flow rate at 125 PSI inlet pressure when tow check valves are used in combination.