Alignment system for flapper valve
AssigneeBaker Hughes Incorporated
InventorsWade A. Miller, Robert J. Dyer, Michael L. Hair, Thomas S. Myerley, Leonard D. Medill, Matthew P. Presley
Life of this patent
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Abstract
A valve assembly, including a seat and a flapper complementarily formed with respect to the seat for creating a seal at an interface therebetween. At least one shim is operatively disposed in the valve assembly for altering a position of the flapper relative to the seat in at least one direction for aligning the flapper and the seat at the interface. A method of aligning the flapper and seat of a valve assembly is also included.
Claims18
A valve assembly, comprising:
- a seat;
- a flapper complementarily formed with respect to the seat for creating a seal at an interface therebetween;
- and
- one or more shims operatively disposed in the valve assembly for altering a position of the flapper relative to the seat in at least one direction for aligning the flapper and the seat at the interface;
- at least one of the one or more shims altering the position of the flapper relative to the seat in a rotational direction,
- at least one of the one or more shims altering the position of the flapper relative to the seat in a rotational direction.
A method of aligning a flapper and a seat of a valve assembly, comprising:
- positioning at least one shim in the valve assembly for altering a position of the flapper relative to the seat in at least one direction;
- wherein the at least one direction is rotational, longitudinal, or a combination including at least one of the foregoing.
A valve assembly, comprising:
- a seat;
- a flapper complementarily formed with respect to the seat for creating a seal at an interface therebetween;
- one or more shims operatively disposed in the valve assembly for altering a position of the flapper relative to the seat in at least one direction for aligning the flapper and the seat at the interface;
- and
- at least one window operatively arranged for enabling visual inspection of the interface between the flapper and the seat.
Dependencies are inferred from the claim text.