How Pneumatic Actuators Work

In this video, we take a look at how spring return and double acting pneumatic actuators work. Showing the key features of an actuator as well as the differences between the two, and how they operate ball valves and butterfly valves.
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[@Joe-xh9pw]

This is the clearest video I have seen on this type of pneumatic actuator

[@hambotanas7041]

Then adjust the center volts

[@chrisatronx]

THank you!

[@pakingwetpu7019]

You did not demonstrate how to operate in case of emergency when you dont have the air then how to open and close double acting valve? Can you operate it via the visual indication position?