Air Torque Pneumatic Actuator AT1001U-S10-A F25-N-55DS – 90° Rotation

Spring Return | Rack & Pinion | 90° Rotation | Anodised Aluminium | SIL 3 Certified

The Air Torque AT1001U-S10-A F25-N-55DS pneumatic actuator is a spring return model designed for failsafe operation in critical valve automation applications. Featuring a rack and pinion mechanism with 90° rotation, this actuator automatically returns to a preset position on air failure. Its anodised aluminium housing offers corrosion resistance while maintaining lightweight efficiency. With ISO 5211 F25 mounting and a 55 mm square drive (DS55), it is compatible with a wide range of valve types. Certified to SIL 3, this actuator is ideal for safety-focused systems.

Key Features:

• Spring Return Operation: Automatic fail-close or fail-open on loss of air supply

• ISO 5211 F25 Mounting: Industry standard interface with 55 mm square drive

• Durable Build: Anodised aluminium body for corrosion resistance

• SIL 3 Certified: Meets high safety integrity level requirements

• Accurate 90° Travel: Precise rack & pinion movement

• Efficient Performance: Optimised torque with compact size

Technical Specifications: