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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Aiming at the problem in assembling oil seal for air valve of engines, it is designed a special assembler for the work. Thus, assembling quality and production efficiency is improved.

针对发动机装配现场装配气门油封存在的问题，设计了专用的气门油封装配机，提高装配质量和生产效率。

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DE LION CO. , is a manufacture & exporter of seal groups, hydraulic seals, oil seals. etc, also supply diesel engine parts, special for excavator, bulldozer, forklift. DE LION CO.

是一家生产和出口密封组件、液压密封、油封等产品的公司，同时可供柴油发动机备件以配置挖掘机、推土机、叉车。

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