Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1998-02-20
1999-11-30
Walton, George L.
Fluid handling
Processes
Cleaning, repairing, or assembling
137315, 73201, 285 30, F16K 4300
Patent
active
059924390
ABSTRACT:
A gas flow valve is adapted to mimic an existing plumbing arrangement between the gas flow meter 10 and inlet and outlet plumbing at a point of use. By providing a similar arrangement of mating parts and union nuts, the gas flow valve 20 can be easily and quickly installed between the inlet and outlet plumbing and the gas flow meter without having to replumb the plumbing. The gas flow valve 20 can either directly connect between both the inlet and outlet plumbing and the gas flow meter, or could connect between either the inlet or the outlet plumbing and the gas flow meter 10, with the other connection being provided either by the original connection between the gas flow meter and the plumbing or by an additional inserted pipe.
REFERENCES:
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patent: 3245257 (1966-04-01), Anderson
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patent: 3296859 (1967-01-01), Stewart
patent: 3946754 (1976-03-01), Cook
patent: 4327760 (1982-05-01), Lancaster
patent: 5042528 (1991-08-01), England et al.
patent: 5437300 (1995-08-01), Winnie et al.
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