... wedge type slide valve 楔形滑阀 wedge valve 楔形闸阀 weight type pressure retaining valve 重量式保压阀 ...
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electric wedge valve 电动楔式阀
Wedge diaphragm valve 闸板式隔膜阀 ; 闸板式隔阂阀 ; 阀板式隔膜阀 ; 榨板式隔膜阀
Wedge gate valve 楔式闸阀 ; 楔式
wedge action valve 楔形闸阀
wedge gate flooding valve 楔形通海阀 ; 楔形通海闸阀
non-rising stem wedge sluice valve 暗杆楔式闸阀
Electric wedge-style valve 电动楔式闸阀
When the closed channel, the wedge-shaped head with a stem to open up the ball and pressed to seal the valve seat.
当关闭通道时，用阀杆的楔形头使球体涨开与阀座压紧达到密封。
Gate has two sealing surfaces, the most commonly used wedge gate valve sealing surface to form two wedge-shaped, wedge Angle parameters vary with the valve.
闸板有两个密封面，最常用的楔式闸板阀的两个密封面形成楔形，楔形角随阀门参数而异。
And because the wedge block and the role of the dovetail groove of the stem, the valve increases the forced sealing force, increases the sealing pressure ratio, the two-way sealing.
而且由于阀杆的楔形块与燕尾槽的作用，对阀门增加了强制密封力，增大了密封比压，实现双向密封。
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