Actreg ASR500-F10-DS22 Rack & Pinion Pneumatic Actuator – 90°

The Actreg ASR500-F10-DS22 is a high-torque, safety-certified rack & pinion pneumatic actuator built for demanding industrial environments. Engineered for 90° (quarter-turn) valve automation, its durable hard-anodised aluminium housing ensures excellent resistance to corrosion and wear. Supporting ISO 5211 F10 flange mounting and featuring a 22?mm square DS22 shaft, it's compatible with a wide range of large quarter-turn valves. Fully certified to SIL?3 (Safety Integrity Level 3), the ASR500 is suitable for integration into safety-instrumented systems across industries like power generation, water utilities, petrochemicals, and process automation.

Technical Specifications

• Model: ASR500-F10-DS22

• Actuation: 90° rack & pinion motion with external ±5° adjustable travel stops

• Mounting Standard: ISO 5211 F10 flange compatible

• Output Shaft: 22?mm square (DS22)

• Construction Material: Hard-anodised aluminium housing for durability and corrosion protection

• Variants: Available in both double-acting or spring-return versions

• Operating Pressure Range: 2.5?–?8?bar compressed air

• Temperature Rating: Standard industrial class (approx. –20?°C to +80?°C)

• Safety Compliance: SIL?3 certified with anti-blowout pinion design

Key Features & Benefits

• High Torque Performance: Ideal for large valves including ball, butterfly, and plug configurations

• Standardized Mounting & Drive: ISO F10 flange combined with DS22 shaft for universal valve integration

• Accessory-Friendly: Incorporates Namur VDI/VDE?3845 interface for easy attachment of solenoid valves, switchboxes, and positioners

• Maintenance-Ready: External stop adjusters and modular internals simplify service and overhaul

• Safety Design: Anti-blowout pinion feature and SIL?3 certification support secure operation in safety-critical systems