经实践证明，改造后的闸阀填料密封件不仅能够很好地解决密封渗漏问题，而且产生了很大的安全和经济效益。

Proved by practice, the floodgate valve packing seal after transforming can not merely well solve the sealed seepage problem, and has produced very great security and economic benefits.

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该文主要论述用于液压缸密封件的密封性能，以及如何降低液压缸的渗漏，提高其密封可靠性的问题。

The text is main to discuss to used for the hydraulic cylinder sealing capability of packing, and how to reduce leakage of the hydraulic cylinder, increase its sealing reliability.

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