Rotary Actuator (Rack & Pinion)

Rack and Pinion Pneumatic Actuator are designed for precision control of quarter-turn valves, such as ball and butterfly valves, in industrial automation systems. Built to ISO 5211 mounting standards, it ensures seamless integration with various valve types.

• Type: Pneumatic Rotary Actuator (Rack and Pinion
• Operation: Available in Double Acting and Spring Return versions
• Mounting Interface: ISO 5211 flange pattern for direct valve coupling
• Torque Output: Wide torque range suitable for valves from ½” to 24”
• Body Material: High-grade extruded aluminum with hard anodized finish
• Piston Material: Die-cast aluminum, Extrusions
• Temperature Range: -20°C to +80°C (standard), with optional high-temp or low-temp seals
• Working Pressure: 2.5 to 8 bar (standard operating range)
• Rotation: 90° (±5° adjustable travel stops)
• Position Indicator: Visual dome-type indicator for valve position verification
• Air Supply Ports: BSP or NPT threaded as per client request
• Seals: Buna-N (standard); Viton or Silicone (on request)

Key Features:

• Symmetrical rack & pinion design ensures balanced torque in both directions
• Preloaded coated springs in spring-return models for safe fail-close/fail-open operations
• Modular design allows easy maintenance and accessory mounting
• Corrosion-resistant body suitable for indoor and outdoor environments
• Compatible with positioners, solenoid valves, and limit switch boxes 

Applications:

• Oil & Gas Pipeline Automation
• Water and Effluent Treatment Plants
• Chemical and Petrochemical Industry
• Food and Beverage Plants
• Cement and Steel Industries