Automatic valve assembly

Details Automatic valve assembly Automatic valve assembly

1993-10-01

1995-07-11

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

4304, 4305, 4DIG3, 137315, 251 3003, 251 3005, 251 45, 25112904, F16K 3140, F16K 31126

Patent

active

054311810

ABSTRACT:
A valve assembly is disclosed which is adapted to fit existing valve bodies. A flexible diaphragm assembly positioned within the valve body seals against a cylindrical barrel of the valve body. A central tube positioned within the central barrel defines a bypass passage extending from an upper chamber above the flexible diaphragm assembly and communicating with a bypass orifice. A sealing mechanism operated by an automatic control mechanism is adapted to selectively seal the bypass orifice. The automatic control mechanism includes a proximity sensor.

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