GATE VALVE ARRANGEMENT
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United States of America Patent
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Issued Date -
Jul 28, 2022
app pub date -
Jan 20, 2022
filing date -
Jan 22, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A valve arrangement includes a valve body having a stem rotatably attached at least partially within the body, a handle in operable communication with the stem and configured to rotate the stem by turning the handle, and an actuation portion in contact with the stem and configured to move when the handle is turned and the stem rotated. The actuation portion includes a carrier having an inner bore. The inner bore receives at least a portion of the stem. The stem includes first and second thread portions. The first thread portion has a first thread pitch at least partially received within the inner bore. The second thread portion is in communication with a bonnet attached to the body with a second thread pitch and moves the stem with respect to the body. The second pitch is smaller than the first pitch.
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