Electric Actuators (248 companies)
Electric actuators mount on valves which, in response to a signal, automatically move to a desired position using an outside power source. Single-phase or three-phase AC or DC motors drive a combination of gears to generate the desired torque level.
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Electrohydraulic Valve Actuators and Hydraulic Valve Actuators (90 companies)
Electrohydraulic valve actuators and hydraulic valve actuators convert fluid pressure supply pressure into motion.
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Manual Valve Actuators (71 companies)
Manual valve actuators do not require an outside power source. They use a handwheel or lever to drive a series of gears whose ratio results in a higher output torque compared to the input (manual) torque.
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Pneumatic Valve Actuators (249 companies)
Pneumatic valve actuators adjust valve position by converting air pressure into linear or rotary motion.
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Valve Actuators, All Types (544 companies)
Valve actuators mount on valves and, in response to a signal, move a valve to a desired position using an outside power source.
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Valve Position Indicators (46 companies)
Valve position indicators are devices that show the position of the closure element.
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Valve Positioners (129 companies)
Valve positioners compare a control signal to a valve actuator’s position and move the actuator accordingly. They are used with both linear valves and rotary valves.
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