Modular orifice meter with isolation chamber valve closure
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United States of America Patent
Stats
-
Jan 17, 1984
Grant Date -
N/A
app pub date -
Mar 29, 1982
filing date -
Mar 29, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A modular orifice meter construction comprising a main housing wherein an orifice disc carrier is positioned to seal around axially aligned flow tubes. A service housing with an access opening for replacement of orifice discs may be bolted into the main housing. A closure for said access opening is pivoted to the service housing and is normally held closed by a wedging clamp lock. A pinion rotatably mounted on the service housing raises and lowers the orifice disc carrier by engagement with a rack on the carrier. An isolating gate valve may be mounted between the main and service housings.
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