Actreg ASR20-F04-DS14 Rack & Pinion Pneumatic Actuator – 90°

Product Description

Actreg ASR20-F04-DS14 Rack & Pinion Pneumatic Actuator – 90° – Anodised Aluminium – SIL3

The Actreg ASR20-F04-DS14 is a compact yet powerful rack & pinion pneumatic actuator engineered for precise 90-degree operation. Featuring an ISO 5211 F04 mounting flange and a DS14 square drive shaft, it's compatible with a wide variety of quarter-turn valves. Constructed with a hard-anodised aluminium housing, this actuator offers excellent wear and corrosion resistance. Fully SIL?3 certified, it is ideal for applications requiring high safety and functional integrity, including automation in oil & gas, chemical processing, water treatment, and industrial systems.

Key Specifications

• Model: ASR20-F04-DS14

• Mounting Interface: ISO 5211 F04

• Output Shaft: 14?mm square (DS14)

• Rotation: 90° rack & pinion

• Housing Material: Hard-anodised aluminium for enhanced durability

• Actuation Types: Double-acting or spring-return options

• Operating Pressure: 2.5–8?bar compressed air

• Temperature Range: Standard industrial (typically −20°C to +80°C)

• Certification: SIL?3 compliant for safety-instrumented applications

Key Features & Benefits

• Strong Torque Output: Efficient motion control suited for ball, butterfly, or plug valves

• Standardized Mounting: Combines ISO F04 flange with DS14 shaft for broad valve compatibility

• Accessory Integration: Namur VDI/VDE 3845 interface supports solenoids, positioners, and limit switches

• Easy Maintenance: Features external ±5° adjustable travel stops and service-friendly modular internals

• Safety and Reliability: Anti-blowout pinion and SIL?3 certification ensure high operational integrity

Technical Specs