NF EN 448

NF EN 448

March 2025
Standard Current

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene

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Main informations

Collections

National standards and national normative documents

Publication date

March 2025

Number of pages

35 p.

Reference

NF EN 448

ICS Codes

23.040.07   Pipelines and its parts for district heat
23.060.01   Valves in general

Classification index

E39-012

Print number

1

European kinship

EN 448:2025
Replaced standards (1)
NF EN 448
October 2019
Standard Cancelled
District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene

Le présent document concerne les raccords de service en acier avec isolation en mousse rigide de polyuréthane et tube de protection en polyéthylène. Il définit les exigences de conception et les méthodes d'essai applicables aux raccords et couvre les éléments de raccordement suivants : les coudes, les tés, les réductions, les compensateurs à usage unique et les pièces d'ancrage.

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