Norm

NEN-ISO 18225:2012 en

Kunststofleidingsystemen - Meerlaagse leidingsystemen voor gasinstallaties buitenshuis - Specificaties voor systemen

79,70

Over deze norm

Status Definitief
Aantal pagina's 17
Commissie Kunststofleidingsystemen voor gasvoorzieningen
Gepubliceerd op 01-12-2012
Taal Engels
This International Standard specifies general and performance requirements for multilayer pipe systems based on pipes made from thermoplastics and intended to be used for gas supply outdoors. It gives requirements for the design of pipe systems consisting of multilayer pipes based on thermoplastics and for which at least 60 % of the wall thickness is of a polymeric material. The polymeric material used for stress design layers and all inner layers must be polyethylene (PE) and/or crosslinked polyethylene (PE-X), in accordance with Annex A. The outer layers of metal multilayer pipes must be of either PE or PE-X. This International Standard is applicable to systems intended to be operated at temperatures ranging from -20 °C to 40 °C. It is applicable to pipes in these systems having a nominal diameter up to and including 630 mm, and to the supply of gaseous fuels of categories D (natural gas) and E (LPG vapour and natural gas or LPG vapour) (see ISO 13623).

Details

ICS-code 23.040.20
23.040.45
75.200
Nederlandse titel Kunststofleidingsystemen - Meerlaagse leidingsystemen voor gasinstallaties buitenshuis - Specificaties voor systemen
Engelse titel Plastics piping systems - Multilayer piping systems for outdoor gas installations - Specifications for systems
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