Ball wedge flap valve and clip connecting method

Ball wedge flap valve and clip connecting method

CN
  • CN 100,363,659 C
  • Filed: 08/15/2002
  • Issued: 01/23/2008
  • Est. Priority Date: 08/15/2002
  • Status: Active Grant
First Claim
Patent Images

1. a ball wedge flap valve is characterized in that the highest roundlet that contacts when opening and closing secondary globe disk closes with spherical valve seat approaches the ball great circle, and the maximum contact angle guarantees that globe disk has the squeezed function of wedge reinforcement to spherical valve seat.

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