Norm

ISO/DIS 21225-2:2017 en

Kunststofleidingsystemen voor de sleufloze vervanging van ondergrondse leidingsnetwerken - Deel 2: Vervanging van het netwerk door horizontaal gestuurde boring en impactmoling.

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Over deze norm

Status Ontwerp
Aantal pagina's 18
Commissie Kunststofleidingsystemen
Gepubliceerd op 01-05-2017
Taal Engels
This International Standard specifies requirements and test methods for pipes and fittings which are part of plastics piping systems for the trenchless replacement of various underground pipeline networks, underground non-pressure and pressure drainage and sewerage networks and underground water and gas supply networks, by means of horizontal directional drilling and impact moling. It is applicable to polyethylene (PE) pipes and fittings, as manufactured, as well as to the installed replacement system. This standard should be used in conjunction with standards applicable for the construction of PE pipeline systems where available. Regarding manufactured pipe it is applicable to three different PE pipe types: - PE solid wall single layered pipes (nominal outside diameter, dn), including any identification stripes; - PE pipes with co-extruded layers on either or both the outside and inside of the pipe (total outside diameter, dn), as specified in Annex A, where all layers have the same MRS rating; - PE pipes (outside diameter, dn) having a peelable, contiguous, thermoplastics additional layer on the outside of the pipe (“coated pipe”), see Annex A. In addition it covers: - jointing of pipe lengths by means of butt fusion joint to form continuous strings prior to installation. - fabricated and injection-moulded fittings made of PE

Details

ICS-code 23.040.20
23.040.45
91.140.80
Nederlandse titel Kunststofleidingsystemen voor de sleufloze vervanging van ondergrondse leidingsnetwerken - Deel 2: Vervanging van het netwerk door horizontaal gestuurde boring en impactmoling.
Engelse titel Plastics piping systems for the trenchless replacement of underground pipeline networks - Part 2: Replacement off the line by horizontal directional drilling and impact moling

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