Fluid handling – Systems – With flow control means for branched passages
Patent
1992-12-22
1993-12-14
Schwadron, Martin P.
Fluid handling
Systems
With flow control means for branched passages
137887, 137607, F16K 1102, F16K 11087
Patent
active
052693473
ABSTRACT:
An isolator flow control apparatus (10) especially to selectively control communication of a contained fluid to an overpressure protection system. The isolator apparatus (10) includes a flow housing (12) having a single inlet opening (20) placed in fluid communication by an internal manifold means with a plurality of outlet openings (22, 24). A floating rotatable ball closure member (28, 30) is operably disposed in each of the outlet openings (22, 24) for effecting a metal-to-metal seal with a fixed downstream seat (16d, 18d). The ball closure members (28, 30) are interlocked by a shaft (34) in a passage (14b) extending between enlarged diameter portions (22a, 24A) receiving the ball closure members (28, 30). The ball closure members (28, 30) are actuated by an operator means (40) for automatically closing or isolating a selected outlet opening (22 or 24) while opening another outlet opening (22 or 24) to ensure continuous fluid flow or fluid communication through the isolator apparatus (10).
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Keystone International Holdings Corp.
Schwadron Martin P.
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