Actuators ISO 5211 Compliant Actuators Features Pneumatic rack and pinion actuators Double-acting and single-acting (spring-return) modes Blow out proof drive shaft 2 color visual position indicator High quality bearings and seals for low friction, high cycle life Actuators meet industry standards for interface: ISO 5211, NAMUR, and VDI/VDE 3845 Temperature Range from –4 ℉ to 176℉ (–20℃ to 80℃) Factory Assembled Building Confidence Through Knowledge