?NORM EN 549: 2019 10 15被替代
Rubber materials for seals and diaphragms for gas appliances and gas equipment
出版：Osterreichisches Normungsinstitut/Austrian Standards
专家解读视频
基本信息
标准编号： ?NORM EN 549: 2019 10 15
标准类别：Standard
出版单位：Osterreichisches Normungsinstitut/Austrian Standards
标准页数：0
标准简介
This document specifies requirements and associated test methods for rubber materials used in gas installations, gas equipment and gas appliances in contact with 1st, 2nd and 3rd family combustible gases as classified in EN 437:2018, additionally LPG, bio methane and bio LPG, in the same quality, are covered.
替代本标准的新标准
