ISO 5145:2017确立了确定气瓶阀门出口连接的实用标准。 它适用于气瓶阀门出口连接件的选择，并规定了许多连接件的尺寸。 ISO 5145:2017不适用于低温气体提取或呼吸设备用气体的连接，这是其他国际标准的主题。 注:标签或颜色编码等其他保障条款不受本文件影响。

ISO 5145:2017 establishes practical criteria for determining valve outlet connections for gas cylinders. It applies to the selection of gas cylinder valve outlet connections and specifies the dimensions for a number of them. ISO 5145:2017 is not applicable to connections used for cryogenic gas withdrawal or gases for breathing equipment, which are the subjects of other International Standards. NOTE Other safeguard provisions like labelling or colour coding are not affected by this document.