Valve actuator

Details Valve actuator Valve actuator

1992-04-10

1993-12-14

Rivell, John

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

251229, 251270, 251266, 251274, 251279, 744248VA, F16K 3700, F16K 3150

Patent

active

052693430

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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patent: 4625758 (1986-12-01), Murray
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