The standard will define the basis pneumatic actuator types (i.e., scotch yoke, rack and pinion, rotary vane, and linear piston type). The standard will include guidelines and recommendations for the ...

Electrohydraulic valve actuators and hydraulic valve actuators convert fluid pressure ... Image Credit: Wisc-Online Rack-and-pinion Rack-and-pinion actuators transfer the linear motion of a piston ...