活接，别称油任，是管件的一种。
对于所有真活接类型球阀和球体止回阀，可提供完整的更换筒组件。
Full Cartridge Replacement Kits are available for all True Union style ball valves and ball check valves.
为了便于燃烧器拆卸和打开锅炉门，在接近燃烧器的管子的地方装上合适的活接是必不可少的。
It is indispensable to install a suitable pipe union in the pipeline, in proximity to the burner, to allow for easy disassembly of the burner and opening of the boiler door.
活接式电焊训练夹具是制做用于采油厂电焊工累积带水焊接经验，提高带水焊接技术的一种训练器具。
Loose joint electric welding training clamp is a training apparatus that used for making the cumulative oil production plant welder welding training activities and improving water welding technology.
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