Hikelok often hear that the twin ferrule tube fittings and valves are not easy to use, unreliable, and leak after installation testing. No matter how hard the nut is tightened, it is useless. And ...

A corrosion-related failure of a tube fitting on an offshore platform highlights a potential safety issue that could affect thousands of fittings currently in service worldwide. A corrosion ...

The fittings grip and seal by compressing the nose of a ferrule into the tubing OD. High-quality compression fittings hold internal pressure without leaks or failure until the tubing fractures.

Ferrule type flareless fittings seal by forcing the ferrule or sleeve cutting edge into the tubing wall to create an interference seal. The resulting spring-action mechanical joint offers a ...

Compression fittings aren't sealed at the threads, so all tape can do is make the ferrule that does the actual sealing less likely to seat and seal properly.

Looking for the best Compression Fitting Ferrules? Check out our comprehensive guide with the 10 best options available.