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NF EN 448:2003被替代

District Heating Pipes - Preinsulated Bonded Pipe Systems For Directly Buried Hot Water Networks - Fitting Assemblies For Steel Service Pipes, Polyurethane Thermal Insulation And Outer Casing Of Polyethylene

出版：Association Francaise de Normalisation

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基本信息

标准编号： NF EN 448:2003

发布时间：2003/5/1 0:00:00

标准类别：Standard

出版单位：Association Francaise de Normalisation

标准页数：31

标准简介

Specifies requirements and test methods for fittings of prefabricated thermally insulated pipe in pipe assemblies, comprising a steel service fitting from DN 20 to DN 600, rigid polyurethane foam insulation and an outer casing of polyethylene. Coverage includes: steel parts, casing pipes, marking, and fitting assemblies. Also gives detailed definitions and annexes.

标准备注

Indice de Classement: E39-012PR. (05/2003) PR NF EN 448 October 2007. (10/2007)

本标准替代的旧标准

NF EN 448:1994

替代本标准的新标准

NF EN 448:2009

等同采用的国际标准

DIN EN 448 (2003-05) - Identical

UNI EN 448:2003 - Identical

ONORM EN 448:2009 - Identical

BS EN 448:2003 - Identical

SS EN 448 Ed. 2 (2003) - Identical