NS-EN 549:2019
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Rubber materials for seals and diaphragms for gas appliances and gas equipment
Hardcopy
30-08-2023
English
01-10-2019
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 e. g. natural gas, LPG, bio methane, bio LPG.
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