Activair ® Engine

Wabtec Corp Activair ® Engine Transit Bus

Pneumatic differential engine provides high torque rotary motion required for operation of door linkage. Provides maximum velocity and minimum force in the mid-point of its range of motion, and maximum force and minimum speed at the extremes of its motion. Finger screws allow quick and easy door speed adjustments. Solid-state non-contact proximity switches. Optional locking mechanism secures engine, even without air pressure.