Valve actuator

Details Valve actuator Valve actuator

1997-09-26

2000-06-27

Walton, George L.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

74412TA, 74421A, 74423, 74425, 74625, 25112912, 251248, 2512495, 25112903, F16K 3105, F16K 3153

Patent

active

060794429

ABSTRACT:
There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in response to operation of a reversible electric motor.

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