Knife gate valve with mechanically retained gate seat
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United States of America Patent
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-
Aug 5, 1997
Grant Date -
N/A
app pub date -
Feb 6, 1996
filing date -
Feb 6, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A knife gate valve comprises a body member to which two aligned conduits are attached. The body member has a U-shaped internal recess of predetermined length formed within it. A removable sealing member fits within the recess and extends along its entire length. The sealing member is comprised of rubber which has been cured about a threaded or irregularly surfaced rod that reinforces the seat, helping to keep it in the correct position and orientation in the recess. The rod protrudes from both lengthwise ends of the rubber and is operatively connected with the body of the valve. This prevents the sealing member from being dislodged by the flow of slurry through the valve or the opening action of the valve in the presence of a sticky slurry.
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Family
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Cited Art Landscape
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