Series 90/91 316 stainless steel pneumatic actuator is a rack and pinion, opposed-piston actuator with both double acting and spring return models. Five sizes of the actuator are offered with a range of output torque from 50-8675 lb.-ins. and a temperature range of -40 to 200°F. All models are suitable for both on/off and throttling applications. Additional features include a spring return system that offers safety, simplicity and reduced space requirements; a highly visible valve position indicator; manual override; and travel stops located in end caps to limit travel of actuator to specific degrees of rotation. Bray Controls Subs. of Bray Intl., Inc. 13333 Westland E. Blvd. Houston, TX, 77041