Pneumatic Actuator with Hydraulic Cylinder type Manual Override arrangement Pneumatic Actuator with Hand Lever Assembly for Manual Override arrangement Pneumatic Actuator with Rack & Pinion type Hand Wheel Assembly for Manual Override arrangement Fully Covered Pneumatic Actuator with Base Frame and Sector Gear & Pinion type Hand Wheel Assembly for Manual Override arrangement Pneumatic Power Cylinder with remote sensor Pneumatic Actuator with Rack & Pinion type Hand Wheel Assembly for Manual Override arrangement Pneumatic Cylinder system totally enclosed with aircooling for extreme high temperature furnace door application Pneumatic Actuator with Acumulator & other Accessories for full open / full close position in failure of air and/or signal Pneumatic Power Cylinder with Full Automation