This European Standardgas cylinder valve andcontaining breathablefor connections whichis applicable to a thread connection used forThe connection between apressure reducer for respiratory protective devices except those for divingr, oxygare usedenforor oxygen/nitrogen. It specifies the dimensions and tolerancesrespiratory protective devices.a .al
EN 144-2:1998 history
2018EN 144-2:2018 Respiratory protective devices - Gas cylinder valves - Part 2: Outlet connections
1998EN 144-2:1998 Respiratory protective devices - Gas cylinder valves - Part 2: Outlet connections