Continuing to describe the particularities of actuators, today we will talk about the spring and diaphragm type pneumatic actuator:

It is the actuator that uses a flexible diaphragm, on which a variable load pressure acts in opposition to the force produced by a spring.

It can have two modes of action:

a) Direct Action: the increased pressure pushes the rod down, while the spring forces the rod up. (greater effort)

or

b) Reverse Action: The increased pressure pulls the rod upwards, while the spring forces the rod downwards.

Stay tuned for future posts as we'll talk about other types of actuators on the market.

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