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US 2021/0341079 A1Published application
Fluid End Valve Having Dual Inserts
AssigneeKerr Machine Co.
InventorsMicheal Cole Thomas, Christopher Todd Barnett, Kelcy Jake Foster, John Keith, Nicholas Son
Life of this patent
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Abstract
A valve configured to seal against a valve seat. The valve and valve seat configured to be installed within a fluid end. A recess is formed on the valve's sealing surface. A first and second insert are installed within the recess. The first insert is made of a harder material than the second insert. During operation, the first insert deflects high velocity fluid away from the second insert.
Claims20
An apparatus comprising:
- a valve configured to mate with a valve seat;
- the valve comprising:
- a tapered sealing surface;
- a recess formed within at least a portion of the sealing surface;
- a first insert installed within the recess;
- and
- a second insert installed within the recess and engaging the first insert.
4 more elements
An apparatus comprising:
- a valve configured to mate with a valve seat;
- the valve comprising:
- a tapered sealing surface;
- a first insert installed within the sealing surface;
- and
- a second insert installed within the sealing surface;
- in which the first insert is made of a material that is harder than that from which the second insert is made.
4 more elements
Dependencies are inferred from the claim text.