The material of oil seal is advance, reasonable, and the processing of confect is preciseness. The change of pull intension rate is small. It suit varies of abominable environment.

因油封胶料配方先进、合理、配制过程严谨、拉伸强度变化率小，能适应各种恶劣的变化环境。

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This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.

本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。

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The effects of material composition, working surface treatment and microstructure on wear resistance of powder hot-forging flow oil-seal ring were studied.

研究了粉末热锻浮动油封密封环的材质、表面处理、显微组织对其耐磨性的影响。

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