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Isolation valve with rotatable flange

  • US 20070215215A1
  • Filed: 05/21/2007
  • Published: 09/20/2007
  • Est. Priority Date: 01/07/2003
  • Status: Abandoned Application
First Claim
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1. A valve assembly comprising:

  • a quarter turn ball valve including a valve housing having an inlet and an outlet port;

    an insert including a flow channel coupled to one of the ports in the housing and a lip formed on its free end; and

    a flange rotatably carried on the insert having a circular hole, the diameter of which being greater than that of the insert body and less than that of the valve housing, the flange further having openings for receiving fasteners that secure the assembly in a fluid system, further comprising a single check valve included in the valve assembly, said check valve being located in the insert between the flange and one of the ports for preventing fluid flow from the outlet port to the inlet port when an associated fluid system is unpressurized.

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