NEN-EN 448:2019现行
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
出版：Netherlands Standards
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基本信息
标准编号： NEN-EN 448:2019
标准类别：Test Method
出版单位：Netherlands Standards
标准页数：0
标准简介
NEN-EN 448specifies requirements and test methods for factory made thermally insulated bonded fitting assemblies for hot water networks in accordance with EN 13941-1, comprising a steel servicefitting, rigid polyurethane foam thermal insulation and a casing of polyethylene.
本标准替代的旧标准
等同采用的国际标准
EN 448:2019 - Identical
