
District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene
出版:Ente Nazionale Italiano di Unificazione (UNI)

专家解读视频
This document specifies requirements and test methods for factory made thermally insulated bonded valve assemblies for hot water networks in accordance with EN 13941 1, comprising a steel valve, rigid polyurethane foam thermal insulation and a casing of polyethylene.
EN 488:2019 - Identical