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PREN 448 : DRAFT 2018現(xiàn)行
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：Comite Europeen de Normalisation
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基本信息
標(biāo)準(zhǔn)編號： PREN 448 : DRAFT 2018
標(biāo)準(zhǔn)類別：Draft
出版單位：Comite Europeen de Normalisation
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Provides requirements and test methods for factory made thermally insulated bonded fitting assemblies for hot water networks in accordance with prEN 13941-1, comprising a steel service fitting, rigid polyurethane foam insulation and a casing of polyethylene.
