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