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Plastics piping systems for the trenchless replacement of underground pipeline networks - Part 1: Replacement on the line by pipe bursting and pipe extraction
ISO 21225-1:2018 specifies requirements and test methods for pipes and fittings which are part of plastics piping systems for the trenchless replacement of underground non-pressure and pressure drainage and sewerage networks and underground water and gas supply networks, by means of pipe bursting and pipe extraction.
ISO 21225-1:2018 is applicable to polyethylene (PE) pipes and fittings, as manufactured, as well as to the installed replacement system.
It is intended to be used in conjunction with standards applicable for the construction of PE pipeline systems where available.
Regarding manufactured pipes, it is applicable to three different PE pipe types:
In addition, ISO 21225-1:2018 is applicable to:
Pipes made from other plastics, e.g. glass reinforced plastics (GRP), are outside the scope of this document.
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