Self-compensating clearance seal for centrifugal pumps
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United States of America Patent
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Mar 13, 2007
Grant Date -
Jun 9, 2005
app pub date -
Nov 9, 2004
filing date -
Dec 3, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radial seal is provided for installation within a centrifugal pump of the type having an impeller, a pump casing having a suction inlet, a sealing ring groove formed in the pump casing, and means for supplying flushing water to the sealing ring groove. The radial seal comprises a seal body, including a sealing end, a water inlet end, and opposed sides. The sealing end has an outwardly extending lip portion. The seal is adapted for installation within the sealing ring groove, with openings formed through the seal body for the passage of water.
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