ONORM EN 489-1:2020现行
District heating pipes — Bonded single and twin pipe systems for buried hot water networks — Part 1: Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1
出版：Osterreichisches Normungsinstitut/Austrian Standards
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基本信息
标准编号： ONORM EN 489-1:2020
出版单位：Osterreichisches Normungsinstitut/Austrian Standards
标准页数：25
标准简介
This document specifies requirements and test methods for joints between adjacent factory made pipe, and/or fitting and/or valve assemblies for buried hot water networks in accordance with EN 13941-1.
等同采用的国际标准
