DANSK DS/ISO 12176-1 PDF

ISO 12176-1:2017 specifies the general characteristics of, and performance requirements for, equipment for butt fusion jointing of polyethylene (PE) piping systems using electrically powered heater plates. ISO 12176-1:2017 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 4437‑2[1] and ISO 4437‑3[2], or intended for the conveyance of water for human consumption (including raw water prior to treatment) and for the conveyance of water for general purposes, conforming to ISO 4427‑2[3] and ISO 4427‑3[4]. Butt fusion machines with an automatic controller are subject to additional requirements as given in Annex A. NOTE – This document is also applicable to butt fusion machines for larger nominal pipe diameters and nominal wall thicknesses than given in this document.