Double seat valve with leak control

Details Double seat valve with leak control Double seat valve with leak control

1978-11-20

1981-12-08

Chambers, A. Michael

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137312, 13761417, 13761418, 13761419, 1376372, 251285, F16K 1120, F16K 5100

Patent

active

043042511

ABSTRACT:
In a double seat valve with leak control, two valve discs are located within a housing and each is movably displaceable between an open position and a closed position by adjusting devices. The valve discs are shaped to form a hollow space between them. One adjusting device moves one of the valve discs into the open position and into contact with the other valve disc and displaces the other valve disc into the open position. Each valve disc has a separate adjusting device for displacing it into the open position but not into contact with the other valve disc. A shaft is connected to each valve disc and the adjusting device or devices moves the disc via its shaft. One of the shafts is tubular and its hollow interior is connected to the hollow space defined by the valve discs and provides a leaking liquid line from the hollow space. In one embodiment, a cleaning medium supply line is located in the tubular shaft and supplies cleaning medium into the hollow space from a nozzle.

REFERENCES:
patent: 3517688 (1970-06-01), Scholle

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