They ensure pressure-tight connections made in seconds.
Quick Connector Hose To Hose B Fitting 9/18In-18 Built-in automatic reset check valves prevent reverse flow of gas by cutting off the gas under back pressure Oxygen and Fuel gas models are not interchangeable in order to prevent wrong connections Maximum working pressure: 29 PSI for fuel gases, 145 PSI for oxygen Gas must be shut off at regulators when disconnected Color-coded for fast, efficient, and safe handling 9/16in-18 B Fitting connections for all models 3/8in-24 A Fitting for Regulator-To-Hose and Hose-To-Hose models GENTEC Quick Connectors provide fast, reliable, and easy setup for welding, cutting, and brazing applications..