Abstract: An invention coupling for LP gas or similar fuel source systems is disclosed. The coupling includes a nipple having a nose and a recess, a nut notably disposed in the recess and a fuse disposed between the nut and the nose. The coupling automatically decouples from the fuel source when the fuse acts and shuts off the fuel flow.
Abstract: Technically a functional combination of a nipple with a plug, a stem, a spring, a guide bushing and a coupling nut to form a quick disconnect device for a valve on portable cylinders for LP gas.The device disconnects the gas supply in case of an excess flow.