Gate valve with lubricated secondary seal

Gate valve with lubricated secondary seal

  • CN 102,333,979 A
  • Filed: 03/05/2010
  • Published: 01/25/2012
  • Est. Priority Date: 03/06/2009
  • Status: Active Grant
First Claim
Patent Images

1. valve seal parts comprise:

  • Sealed member, it is fastened in the valve chest, and said sealed member has and is suitable for the perisporium of engagement valve closing feature hermetically;

    The hole, thus it extends through said perisporium qualification raceway groove, and said raceway groove is configured to said valve closing feature lubricating fluid is provided through the said hole of said sealed member;

    AndBaffle plate, it is at least in part around said hole, and said baffle plate has the surperficial angled bottom away from said perisporium.

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