This standard concerns pin-index yoke-type valve connections for small medical gas cylinders, with a maximum working pressure (filling pressure at 15ºC) of 200 bar.
DS/EN ISO 407:2005 history
2021DS/EN ISO 407:2021 Small medical gas cylinders – Pin-index yoke-type valve connections (ISO 407:2021)
2005DS/EN ISO 407:2005 Small medical gas cylinders - Pin-index yoke-type valve connections