Double disk gate valve

Details Double disk gate valve Double disk gate valve

1989-02-02

1990-04-03

Cohan, Alan

Valves and valve actuation

With means to increase head and seat contact pressure

Fluid pressure

251195, 251 31, F16K 2500

Patent

active

049134000

ABSTRACT:
The double disk gate has a moving gate which includes two closure disks which define a space into which pressurized medium can be delivered. The closure disks are mounted to be moveable within the gate valve when the gate is in a closed position so as to be brought into sealing contact with the seating surfaces of the inlet and outlet ports of the valve. The pressure medium may be obtained from the medium passing through the valve.

REFERENCES:
patent: 4412671 (1983-11-01), Tiefenthaler
patent: 4658851 (1987-04-01), Koch

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