Valve actuator
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United States of America Patent
Stats
-
Dec 14, 1993
Grant Date -
N/A
app pub date -
Apr 10, 1992
filing date -
Apr 10, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve actuator for opening and closing the shut-off valves on fire trucks. The actuator includes a push rod in communication with an actuator nut and a screw rod. A turn handle fastened to the screw rod allows for delayed opening and closing of the shut-off valves to prevent water shock. The valve actuator also includes magnetic sensors to provide a visual indication of the position of the valve to the operator.
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