Air Torque Spring Return Pneumatic Actuator

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The Air Torque Spring Return Pneumatic Actuator is a single-acting rotary actuator designed to deliver reliable, automatic valve operation with a built-in fail-safe mechanism. When air pressure is applied, the actuator opens or closes the valve, and when the air supply is lost, the internal spring mechanism returns it to the default (safe) position, ensuring safety and control in critical applications. Key Features: Operation: Single-acting (spring return) Motion: 90° rotary operation Mechanism: Rack and pinion Body material: Hard-anodised aluminium for corrosion resistance Fail-safe function: Spring returns to safe position on air loss Mounting: ISO 5211 compliant for easy valve integration Compact and lightweight design Smooth torque output across the full rotation Ideal for ball valves, butterfly valves, and dampers Designed for harsh industrial environments Models: AT045U-S6-A F03-N-9D AT051U-S6-A F03-N-9D AT051U-S6-A F04-N-11DS AT101U-S10-A F04 F07-N-11DS AT201U-S10-A F05 F07-N-17DS AT251U-S10-A F05 F07-N-17DS AT301U-S10-A F07 F10-N-22DS AT351U-S10-A F07 F10-N-22DS AT401U-S10-A F07 F10-N-27DS AT451U-S10-A F10 F12-N-27DS AT501U-S10-A F10 F12-N-27DS AT551U-S10-A F14-N-36DS AT601U-S10-A F14-N-36DS AT651U-S10-A F16-N-46DS AT701U-S10-A F16-N-46DS AT751U-S10-A F16-N-46DS AT801U-S10-A F16 F25-N-55DS AT1001U-S10-A F25-N-55DS Show more