UNI 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：Ente Nazionale Italiano di Unificazione (UNI)
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基本信息
标准编号： UNI EN 448:2019
标准类别：Standard
出版单位：Ente Nazionale Italiano di Unificazione (UNI)
标准页数：0
标准简介
This document specifies 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 service fitting, rigid polyurethane foam thermal insulation and a casing of polyethylene.
本标准替代的旧标准
