ISO 12176-4:2003

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Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 4: Traceability coding

ISO 12176-4:2003 refers to an international standard that specifies a coding system for traceability within polyethylene (PE) piping systems used for gas supply, particularly regarding components, assembly methods, and jointing operations involved in fusion joining processes like butt, socket, and saddle fusion, as well as electrofusion