Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems - Butt fusion1 Scope This document specifies the general characteristics of, and performance requirements for, equipment for butt fusion jointing of polyethylene (PE) piping systems using electrically powered heater plates. It is applicable to mechanical and pressure activated equipment for butt fusion jointing of PE pipes and fittings either intended to be used for the supply of gaseous fuels, conforming to ISO 44372[1] and ISO 44373[2], or intended for the

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