Expanding gate valve

Expanding gate valve

  • CN 103,486,285 A
  • Filed: 09/17/2013
  • Published: 01/01/2014
  • Est. Priority Date: 09/17/2013
  • Status: Active Application
First Claim
Patent Images

1. prop open type gate valve, comprise valve body, valve gap, the left flashboard cooperatively interacted and right flashboard, spring, support, valve rod, offer the fluid passage with sealing surface on valve body, left flashboard and right flashboard are placed on valve body sealing surface, valve seat is welded on the seal groove of valve body, and left flashboard is connected with the lower end of valve rod, it is characterized in that:

  • on left flashboard, right flashboard, axially offer pod apertures along it respectively, pod apertures is consistent with pipeline Inner footpath, and left and right flashboard sealing surface is parallel with sealing surface of seat.

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