ISO/TR 17209:2013规定了带有ISO 725 UN和UNF螺纹的腔体的尺寸，并提供了其他相关数据，其中安装了两端口、三端口和四端口旋入式插装阀，以确保尺寸互换性。 它适用于工业、农业、采矿和移动设备中通常使用的两端口、三端口和四端口旋入式插装阀。

ISO/TR 17209:2013 specifies the dimensions and provides other data relating to cavities with ISO 725 UN and UNF threads in which two-, three-, and four-port screw-in cartridge valves are mounted, in order to ensure dimensional interchangeability. It is applicable to two-, three-, and four-port screw-in cartridge valves generally used in industrial, agricultural, mining and mobile equipment.