VALVE COVER AND LINER RETAINER FOR A FLUID END OF A PUMP
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United States of America Patent
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Issued Date -
Apr 20, 2017
app pub date -
Oct 14, 2015
filing date -
Oct 14, 2015
priority date (Note) -
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Abstract
A valve cover assembly and a liner retainer assembly configured to retain a plug, a liner, and/or a liner seal within or against a module or retention body of a fluid end of a pump. The valve cover assembly and the liner retainer assembly include pistons coupled to a retaining flange or a threaded gland. A bias applied to the pistons biases the retaining flange and a threaded gland that is coupled to the retaining flange, or the piston alone, into engagement with the module or retention body to retain the plug, the liner, and/or the liner seal on the module.
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