This article gives a brief description of a special tool for assembling and disassembling of seal rings in the wedge-shaped gate valve for oil (gas) well-head assembly.

本文简要地介绍了装拆采油(气)井口楔形闸密封圈的一种专用工具。

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Wedge gate valve 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。

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