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Control plate for a high conductance valve

  • US 10,364,897 B2
  • Filed: 11/01/2018
  • Issued: 07/30/2019
  • Est. Priority Date: 06/05/2017
  • Status: Active Grant
First Claim
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1. A control plate for a high-conductance valve comprising:

  • a control plate body formed as a basically circular disk having a flat side and an opposed side opposite the flat side, the control plate configured to be moved within a valve by an actuator, the flat side having a continuous uninterrupted flat portion to shut-off fluid flow in the valve;

    a centered mounting hole defined as a counterbore in the control plate body, the centered mounting hole terminating in a control plate through hole defined in the control plate body, the control plate through hole having a diameter that is less than a diameter of the centered mounting hole;

    a central insert received in the mounting hole; and

    at least one insert hole defined in the central insert, each insert hole in conjunction with the control plate through hole forming a fluid path for fluid to pass from the flat side through to the opposed side.

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