Slide valve with wedging system
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United States of America Patent
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N/A
Issued Date -
Feb 27, 2003
app pub date -
Jan 23, 2001
filing date -
Jan 23, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed is a slide valve suitable for very high temperature service, such as extremely high temperatures (2200.degree. F. and higher), having a metal shell and a liner of refractory material, has ceramic internals and a wedging system including wedge means for wedging the slide valve against the orifice plate and seating around its orifice and wedge means for wedging the guides against the downstream side of the orifice plate thereby stabilizing the internals against movement due to thermal expansion and contraction. The slide valve is also desirable for use under lower temperatures as its wedge system firmly wedges the disc into stable sealing engagement with the orifice plate and closing the orifice under conditions of flow. Depending on the conditions of use, either one or a combination of the wedge means may be used.
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