DS 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：Danish Standards
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基本信息
标准编号： DS EN 448:2009
发布时间：2009/4/20 0:00:00
标准类别：Standard
出版单位：Danish Standards
标准页数：40
标准简介
Provides 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.
替代本标准的新标准
等同采用的国际标准
EN 448:2015 - Identical
