Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
Patent
1996-02-20
1999-12-21
Walton, George L.
Valves and valve actuation
Electrically actuated valve
Rotary electric actuator
74412TA, 74421A, 74423, 74425, 74625, 25112903, 251248, 2512495, F16K 3105, F16K 3153
Patent
active
060038373
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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Bertoja Michael John
Gent David Wayne
Johnston Francis William
Raymond, Jr. Frank Jo
Bray International, Inc.
Walton George L.
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