Electrofusion welding is the name given to resistive implant welding of thermoplastic pipes. It is one of two main techniques used for the joining of polyethylene gas and water pipes.
The electrofusion welding process involves the use of a moulded socket fitting containing an electrical resistive heating coil. The prepared pipe ends are inserted into the sockets and clamped. An electric current is then passed through the coil for a pre-set time. Heating of the surrounding polymer and heat transfer to the pipe wall takes place. Cold zones at the ends of the fitting contain the melt in the central section, allowing a high melt pressure to develop and the formation of a homogeneous joint.
Our engineers are fully certified to EFJLP1 to carry out electrofusion welding on ANY size of pipework.
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