Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Reexamination Certificate
2006-06-20
2006-06-20
Jacyna, J. Casimer (Department: 3751)
Pipes and tubular conduits
With flow regulators and/or baffles
Restrictors
C251S205000, C251S326000
Reexamination Certificate
active
07063107
ABSTRACT:
A dual chamber orifice fitting, including a body with a lower chamber in fluid communication with a pipeline and a top with an upper chamber in fluid communication with the lower chamber. A valve assembly closes to hydraulically isolate the upper chamber from the lower chamber and opens to allow an orifice plate carrier to move between the chambers. When the orifice plate carrier is in the lower chamber is can be aligned with the flowbore of the pipeline. The orifice plate carrier can be removed from the fitting through the upper chamber. In the preferred embodiments, at least one of either the upper or lower chambers has a non-rectangular cross-section. The body and top may also have a curved outer surface to accommodate the non-rectangular cross-section of the interior chambers.
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FMC Measurement Solutions; FMC Energy Systems; Bulletin POR0001.00 Issue/Rev. 0.0 (7.01); (10 pp.).
Conley & Rose, P.C.
Daniel Industries Inc.
Jacyna J. Casimer
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