Wedgegatevalve take advantage of wedge style dense cover seal up, Can by hand wheel plus carry regulate dense cover paste equal to tightness degree.
楔式闸阀利用楔式密封面密封，可通过手轮加载调节密封面贴合的紧密度。
2
Gate has two sealing surfaces, the most commonly used wedgegatevalve 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。
3
This article gives a brief description of a special tool for assembling and disassembling of seal rings in the wedge-shaped gatevalve for oil (gas) well-head assembly.