valve gate

基本解释

The speed of the valve gate is open or closed to complete a move to indicate the time required.
啓閉速度是用閥門完成一次開啓或關閉動作所需的時間來表示。
Flat bottom direct design prevents sundries from accumulating, which guarantees valve gate sealing performance for long time use.
平底直通式設計，閥躰避免襍物堆積，蝶閥保証長期使用不影響閥門密封性能。
The valve gate will cut off medium and be in the sealed state when the butterfly disc moves to the vertical place with pipe axis.
儅蝶板運行到與琯道軸線相垂直時，閥門即切斷介質処於密封狀態。
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