BS ISO 12176-3 pdf download Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems Part 3: Operator’s badge 1 Scope This part of lSO 12176 describes the format and the contents of a fusion operator’s badge,which is usedduring the construction of polyethylene (PE) piping systems for the supply of gaseous fuels or water to identifythe fusion operator and...