Orifice fitting

Details Orifice fitting Orifice fitting

1996-08-09

1998-07-14

Ferensic, Denise L.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 45, 138 94, F15D 102

Patent

active

057789339

ABSTRACT:
A process to access a plate carrier having an orifice plate and carrier plate seal and an orifice fitting. The process includes moving the plate carrier from a pressurized orifice body lower chamber to an orifice body upper chamber. A seal ring is sealed in the upper chamber against the plate carrier to create a fluid type seal between the upper body chamber and the plate carrier. Pressure is bled off in the upper chamber to the atmospheric pressure. An entry plug threadably connected to a retainer is unscrewed and a crank removed to allow access to the orifice plate and to the carrier plate seal. The crank and entry plug are replaced and the upper chamber is repressurized. The seal ring may then be loosened from the plate carrier before returning the plate carrier to the lower body chamber.

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Berger, B. and Anderson, K., "Gas Handling and Field Processing," PennWell Books, Jan. 1980, pp. 119-127.

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