Somas, Pneumatic Actuator, Type A
Pneumatic actuators of Type A-DA + A-SC/SO are piston swing drives that work as double or single drives, and have properties especially necessary for control valves, such as torque transfer without interplay and low frictional resistance.
Keystone / Emerson, Pneumatic Quarter-Turn Actuator, Type F89
The compact pneumatic Keystone F89 actuators stand for reliable, efficient automation of valves with an angle of 90°.
Biffi / Emerson, Pneumatic Actuators