METHOD OF SEALING A PLASTICS PIPE

摘要

A method of sealing a plastics pipe 12 with a plug 14 e.g. polyethylene, wherein said plug 14 includes an electrofusion element 16 around an outer surface thereof, said method comprising the steps of inserting said plug in a bore of the pipe and energising said electrofusion element whilst said pipe and said plug are radially urged against one another to form a seal between said plug and said pipe. The plug may comprise a socket 20 for insertion of an expansion tool or the pipe may be compressed onto the plug to form the seal.