This European Standard is applicable to a thread connection used for the connection between a gas cylinder valve and a pressure reducer for respiratory protective devices except those for diving containing breathable air, oxygen or oxygen/nitrogen. It specifies the dimensions and tolerances for connections which are used for respiratory protective devices.
Regulation (EU) 2016/425 of the European Parliament and of the Council of 9 March 2016 on personal protective equipment and repealing Council Directive 89/686/EEC
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