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SS EN 448 Ed. 3 (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：Standardiserings-Kommissionen I Sverige

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基本信息

标准编号： SS EN 448 Ed. 3 (2009)

发布时间：2009/3/9 0:00:00

标准类别：Standard

出版单位：Standardiserings-Kommissionen I Sverige

标准页数：0

标准简介

Describes requirements and test methods for fittings of prefabricated thermally insulated pipe-in-pipe assemblies comprising a steel service fitting from DN 20 to DN 1200, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with preinsulated pipe assemblies in accordance with EN 253.

本标准替代的旧标准

SS EN 448 Ed. 2 (2003)

替代本标准的新标准

SS EN 448 Ed. 4 (2015)

等同采用的国际标准

BS EN 448:2009 - Identical

I.S. EN 448:2009 - Identical

ONORM EN 448:2009 - Identical

NF EN 448:2009 - Identical

NS EN 448:2009 - Identical

NF EN 448:2015 - Identical

EN 448:2015 - Identical