Compression Tube Fittings
Compression fittings are used to attach two sections of pipe together and commonly have ferrules in them. Flareless compression fittings, also called standard compression fittings, do not require that the metal tube is flared before installation. The ferrule compresses onto the tubing which creates a seal that is able to withstand very high pressures. Compression fittings are typically used for water taps and toilet stop valves as they are well suited to the confined spaces where these valves are commonly found.