Four-way valve

Details Four-way valve Four-way valve

1975-10-24

1976-10-12

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

251 31, F16K 1107, F16K 31124

Patent

active

039851540

ABSTRACT:
A four-way valve assembly is provided which includes a main valve member operable by pilot valve actuation. A particular feature of the construction of the valve assembly is that the main valve member stroke length may vary over a relatively wide range, enabling the valve to be produced in a variety of sizes, without affecting the pilot valve operation. The main valve member includes a first side and a second side. The first side of the main valve member has a hollow formed in it, while the second side has a flat area formed in it. The flat area is utilized to mount a pilot assembly to the valve. Means for operating the valve assembly are operatively connected to the pilot assembly so as to permit the pilot assembly to move with the main valve while the operating means remains stationary. All connections required for operation of the main valve are carried internally of a valve enclosure.

REFERENCES:
patent: 2933107 (1960-04-01), Wiegers
patent: 3036807 (1962-05-01), Lucky et al.
patent: 3037525 (1962-06-01), Wiegers

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