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NS EN 448:2009被替代

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

出版：Norwegian Standards (Norges Standardiseringsforbund)

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基本信息

标准编号： NS EN 448:2009

发布时间：2009/5/1 0:00:00

标准类别：Standard

出版单位：Norwegian Standards (Norges Standardiseringsforbund)

标准页数：40

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.

本标准替代的旧标准

NS EN 448 Ed. 2 (2003)

替代本标准的新标准

NS EN 448:2015

等同采用的国际标准

SN EN 448:2003 - Identical

ONORM EN 448:2009 - Identical

NF EN 448:2009 - Identical

SS EN 448 Ed. 3 (2009) - Identical

UNI EN 448:2009 - Identical

SN EN 448:2009 - Identical

NBN EN 448:2009 - Identical