Products Search by Part Number Products>Actuators>Specialty Actuators>Air Shocker>XT316 XT316 Air shocker is a pneumatic piston type shock generator. Removes plugging due to bridging or adhesion of bulk material inside a hopper or chute. XT316, Air Shocker Air shocker is a pneumatic piston type shock generator. Removes plugging due to bridging or adhesion of bulk material inside a hopper or chute.