These couplings are fitted to the outlet pipe,connecting hose,and the welding/cutting machine and outfit,removing possible risks 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,fotting or removal is a single action.which minimizes hose damage and makes maintenance easy.