Valve with self-aligning stem tip
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United States of America Patent
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Apr 14, 2020
Grant Date -
Nov 30, 2017
app pub date -
May 24, 2017
filing date -
May 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A valve includes a valve body with an annular valve seat having a first central axis, and a valve closure subassembly assembled with the valve body and including an axially movable valve stem and a stem tip attached to the valve stem by a stem connector and including an annular seal portion having a second central axis. When the first central axis is misaligned with the second central axis, the stem tip is pivotable about the valve stem to effect angular adjustment of the annular seal portion of the stem tip into uniform sealing engagement with the annular valve seat when a closing force is applied to the valve stem. The stem connector is configured to resist pivoting movement of the stem tip when the valve stem is in the open position.
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