Sanitary valve

Details Sanitary valve Sanitary valve

1987-08-18

1988-04-12

Walton, George L.

Fluid handling

Systems

Multi-way valve unit

1376254, 251 54, 267137, 2671401, F16K 11078, F16K 3148

Patent

active

047367725

ABSTRACT:
In a sanitary valve with a tilting adjusting lever, which moves the closure member, the two wedge-shaped areas, which open and close in opposite directions on opposite sides of the adjusting lever, as it tilts, are used for locating a damping device, which retards the closing movement of the closure member in order to avoid water hammering. For this purpose, a liquid-filled chamber of variable volume is located in each of the two wedge-shaped areas; the two chambers are connected to each other by a restrictor channel. The damping device located in this way, which can be enclosed hermetically, necessitates no alterations to the valve itself.

REFERENCES:
patent: 1589640 (1926-06-01), Gulick
patent: 3102711 (1963-09-01), Filliung
patent: 3211416 (1965-10-01), Billeter et al.
patent: 3533444 (1970-10-01), Lyon
patent: 3736959 (1973-06-01), Parkison
patent: 3893482 (1975-07-01), Loose
patent: 3965936 (1976-06-01), Lyon
patent: 4458888 (1984-07-01), Wolf et al.
patent: 4676489 (1987-06-01), Hoffmann et al.

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