Disc assembly for a valve and method of making the same
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United States of America Patent
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Dec 2, 2014
Issued Date -
N/A
app pub date -
Jan 10, 2012
filing date -
Aug 9, 2011
priority date (Note) -
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Abstract
A shutoff valve, e.g., an engine shutoff valve, is provided which includes a valve body having a fluid, e.g., air, passage and a disc assembly. The disc assembly is pivotable within the fluid passage from an open position to provide for free flow of fluid through the passage, to a closed position to provide a substantially closed off the fluid passage. The disc assembly includes a front disc, a rear disc, and a seal, e.g., a spring energized PTFE seal, disposed between the front disc and the rear disc. The front disc is permanently secured, e.g., welded, soldered or brazed, to the rear disc such that the seal is captured between the front disc and the rear disc.
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