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Double Ferrule Compression Fittings

We have developed mechanical grip type double ferrule fittings. This is a two ferrule design which uses a live loaded seal characteristics. When the fitting is pulled up, the front ferrule is spring-loaded as it seals, thereby joining the surfaces of the tubing and coupling body. A radial colleting or holding action of the back ferrule grips the tube for a distance just outside the tube holding point of the ferrule nose to enhance vibration resistance.
Break and remake of the fitting after installation can be accomplished successfully without damaging fitting or tubing.