plug valve

基本解釋

For hydraulic pneumatic GDM, G Series rectangular plug valve, proportional valve plug;
用於液壓氣動的GDM，G系列矩形閥插頭、比例閥插頭；
Analysis on plug valve self-locking of the third catalytic plant, and the method were introduced. The plant operates with no accident occurred.
分析了石化企業(yè)催化裝置塞閥自鎖的原因，介紹了処理方法。以確保裝置安全生産無事故。
It gives full modulating control of Plug Valve position, ranging from full open to full close, without exerting excessive force when Plug is seated.
它提供充分的調(diào)節(jié)閥的插頭位置控制，範圍從全麪開放到全麪關(guān)閉。
www.e-gtm.com.cn

You take a throttle valve, which consists of some sort of porous plug between two cylinders that is insulated. There is insulation here.
有一個節(jié)流閥，它由一些多孔的塞子組成,這些多孔塞在兩個絕熱的汽缸之中,這裡是絕熱的，底下也是絕熱的。
麻省理工公開課 - 熱力學與動力學課程節(jié)選

They're making plans now for -- even as they drill these two relief wells that optimistically will take quite some time -- how do we plug this leak either through using the robotics to effect the valve -- how are we dispersing this so that that oil never gets to the top and then through a natural system gets -- largely dissipates at the bottom?
WHITEHOUSE: Aboard Air Force One En Route Andrews Air Force Base