MODULAR GLAND ARRANGEMENTS FOR A FLUID END ASSEMBLY
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
May 31, 2024
filing date -
Aug 25, 2016
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Abstract
A closure element for a fluid end assembly that has two or more recessed grooves formed in its outer surface. The grooves are axially offset. A seal is placed in one and only one of the grooves. As wear occurs, the seal is relocated to one of the other grooves. Instead of a series of axially offset grooves in a single closure element, a kit may be formed from two or more otherwise identical closure elements, each with a single recessed groove at a different axial position. Another closure element has a series of ledge-like surfaces defining spaces within which a seal may be received. One outer surface surrounds one or more of the other surfaces. A seal is placed in one and only one of the spaces. As wear occurs, the seal is relocated to one of the other spaces.
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