Image credit: Spirax Sarco The advantages of pneumatic valve actuators are that they are strong, light, simple, and fast. The disadvantage is that precise position control is not possible except at ...

ISA75.24 was recently reactivated to work on ISA-TR75.24.01, Linear Pneumatic Control Valve Actuator Sizing and Selection. If you are interested in participating in this work, please contact ISA75.24 ...

This standard provides basic requirements for pneumatic valve actuators of the double-acting and single-acting types, used for on-off and modulating valve duties. It includes guidelines, ...

Close at no power Close at no control Open at no power Open at no control Double-acting actuators, those that need an actuation method to move (i.e. air to open, air to close), will fail in their last ...