This standard specifies valve outlet connections and couplings for gas cylinder valves for medical and industrial gases. Annex A lists the gases which the valves apply to. The standard only contains the dimensioning of outlet connections with related couplings. Gas cylinders valves are intended for cylinders of max. 150 liters water capacity and with pressure < 250 bar.
DS 2404:2004 history
2004DS 2404:2004 Dimensioning of the outlet connection/coupling for gas cylinder valves for cylinder pressure < 250 bar - exclusive LPG