Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1996-12-09
1998-09-15
Lee, Kevin
Fluid handling
Systems
Flow path with serial valves and/or closures
251316, 251360, F16K 506
Patent
active
058065636
ABSTRACT:
A dual ball valve assembly which includes a one piece tubular valve housing having box connections at each of a first end a second end. A first ball valve is positioned between a first valve seat and a second valve seat at one end. A second ball valve is positioned between a third valve seat and a fourth valve seat at the other end.
REFERENCES:
patent: 3760836 (1973-09-01), Albanese
patent: 5404905 (1995-04-01), Lauria
patent: 5452677 (1995-09-01), Kirkpatrick
Hi-Kalibre Equipment Ltd.
Lambert Anthony R.
Lee Kevin
LandOfFree
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