Selector valve, especially a central control valve for a water t

Details Selector valve, especially a central control valve for a water t Selector valve, especially a central control valve for a water t

1988-07-15

1990-05-01

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210141, 210190, 210191, 210278, 210340, 210425, 1375991, 13761417, 13762547, 1376373, 251163, B01D 3512

Patent

active

049215981

ABSTRACT:
A central control valve arrangement for a water treatment system. The central control valve arrangement includes two independently positionable four-way ball valves and at least one of the balls of the ball valve serving as valve body includes with two L-shaped boreholes so that a multitude of couplings between the connections of the ball valves is possible.

REFERENCES:
patent: 592501 (1897-10-01), Thompson
patent: 998672 (1911-07-01), Burleigh
patent: 1108009 (1914-08-01), Seiss et al.
patent: 1889231 (1932-11-01), Wahlbom et al.
patent: 1903958 (1933-04-01), Clark
patent: 1938628 (1933-12-01), Huppertz
patent: 3180362 (1965-04-01), Muller

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