Orifice meter with rotatable isolation sealing member
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United States of America Patent
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-
Aug 23, 1983
Grant Date -
N/A
app pub date -
Dec 24, 1981
filing date -
Dec 24, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An orifice meter having a working housing with flow tubes and an isolation chamber for servicing the orifice. An annular member in the working housing isolated into one position to align an access opening with the isolation chamber to enable movement of a gate-like orifice carrier into and out of the working housing, and into another position wherein it seals off the isolation chamber.
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