Precision pneumatic sandwich mount speed control was designed with advanced throttling technology for controlling the opening and closing speed of pneumatic actuators. The speed controller is able to control the rotary speed of the actuator accurately, consistently and safely reduce the fluctuation common to brass speed control mufflers. Directly mounts between the pneumatic actuator and Namur solenoid valve. The actuator speed can be adjusted separately or simultaneously by two knobs located on both ends of the speed control valve and held in place with locking nuts. Speed control is PRE-INSTALLED when ordered with a AUTOMA pneumatic actuator valve.