Vane design is currently hardly ever used. Pneumatic actuators are available in Double Acting or Spring Return (also at times referred as well as single acting) configurations and use compressed air given that the medium. Several add-ons can be utilized at the side of the actuator like Namur direct mount https://pressure-gauge-488780.fireblogz.com/43871942/the-basic-principles-of-pneumatic-actuator-ball-valve