These couplings are fitted to the outlet pipe, connecting hose and the welding/cutting machine and outfit, removing possible riskd accompanying the gas welding/cutting operation and making preparation and maintenance of the welding/cutting machines easy. Further, each type is specially designed for oxygen or fuel gas so as to prevent mistakes. A spring-loaded locking method is used, fitting or removal is a single action, which minimizes hose damage and make maintenance easy.
