Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Patent
1975-07-28
1977-03-29
Aegerter, Richard E.
Pipes and tubular conduits
With flow regulators and/or baffles
Restrictors
138 943, F16D 100
Patent
active
040143660
ABSTRACT:
The present invention provides an apparatus for converting an orifice fitting for an orifice plate, of the type known as a "simplex" or "semi" orifice fitting, in a pipeline so that the orifice plate in the orifice fitting may be replaced or removed while maintaining the product in the pipeline under pressure.
REFERENCES:
patent: 2688987 (1954-09-01), Whalen
patent: 3781043 (1973-12-01), Hagmann
Aegerter Richard E.
Footland L.
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