Air Torque Pneumatic Actuator AT801U-S10-A F16/F25-N-55DS – 90° Rotation

Air Torque Pneumatic Actuator AT801U-S10-A F16/F25-N-55DS

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

The Air Torque AT801U-S10-A F16/F25-N-55DS is a powerful spring-return pneumatic actuator designed for large valve automation where fail-safe performance is essential. With a 90° rotation mechanism based on a rack and pinion system, this actuator delivers smooth, precise motion. The S10 spring set ensures reliable return-to-safe position during air failure. It features a hard anodised aluminium body, ISO F16/F25 mounting, and a 55?mm square drive (DS55) — ideal for heavy-duty industrial use. Certified to SIL 3, it meets stringent safety standards for high-integrity process control.

Key Features:

• Spring Return (S10): Provides automatic fail-safe positioning

• ISO Mounting: F16 or F25 flange with DS55 drive for secure fit

• Anodised Aluminium: Lightweight yet corrosion resistant

• SIL 3 Rated: Designed for safety-critical automation systems

• Efficient 90° Operation: Rack & pinion mechanism ensures precision

• Durable Internal Springs: Robust S10 spring pack for high torque return

• Compact Profile: Optimised for space-limited installations

Technical Specifications: