Ett ställdon (ibland kallad aktuator efter engelskans actuator) är en anordning som används för att styra en mekanism eller mekaniskt system. An actuator is a component of a machine that is responsible for moving or controlling a mechanism or system. An actuator requires a control signal and a source .

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A valve actuator is the mechanism for opening and closing a valve. Manually operated valves require someone in attendance to adjust them using a direct or . Linear actuators with hall sensors for accurate positional control over the full stroke length. Actuator and air cylinder designs from SMC offer innovative pneumatic cylinder design features for the automation industry. Svensk översättning av ‘actuator’ – engelskt-svenskt lexikon med många fler översättningar från engelska till svenska gratis online. With SOMAS actuators you get complete accessories for your valves.

At Thomson, we offer a wide variety of actuators and actuator systems with stroke lengths and load forces to accommodate a broad range of application needs. Air actuators are useful in situations where any spark could be disastrous, where heat could compromise an electric actuator, or where electricity just isn’t .