?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
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基本信息
標準編號： ?NORM EN 549: 2019 10 15
標準類別：Standard
出版單位：Osterreichisches Normungsinstitut/Austrian Standards
標準頁數：0
標準簡介
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.
替代本標準的新標準
