Rotatable valve with anti-cavitation structure
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United States of America Patent
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Apr 26, 1988
Grant Date -
N/A
app pub date -
Aug 29, 1986
filing date -
Aug 29, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An anti-cavitation arrangement for a rotary valve including a conduit by-passing the valve passage and connecting the upstream end to the downstream end of the valve passage. A normally closed pressure controlled or manual valve is disposed in the conduit and is open upon sensing a vacuum on the downstream end of the valve or by manual means so that process fluid is free to flow into the vacuum and thereby prevent cavitation.
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