DIN EN ISO 13257 : 2019现行
Thermoplastics piping systems for non-pressure applications – Test method for resistance to elevated temperature cycling (ISO 13257:2018); German version EN ISO 13257:2018
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
This document specifies a test method for determining the resistance to elevated temperature cycling of thermoplastics piping systems for non?pressure applications, inside buildings or buried in the ground within the building structure.
ISO 13257:2018 - Identical
EN ISO 13257:2018 - Identical
ISO 13257:2018 - Identical
EN ISO 13257:2018 - Identical
