Barber Colman M574-5000 Actuator

The Barber Colman M574-5000 is a pneumatic damper actuator designed for proportional control in high-performance HVAC and industrial ventilation systems. Engineered for reliability and precision, this actuator operates on standard pneumatic control signals and includes a spring return feature for automatic fail-safe positioning. Its robust construction ensures long-lasting operation in demanding environments where consistent airflow regulation is critical.

Technical Specifications

  • Model: M574-5000
  • Type: Pneumatic Damper Actuator
  • Control Type: Proportional (Modulating)
  • Signal Range: Typically 3–15 psi
  • Return Type: Spring Return
  • Motion Type: Linear
  • Stroke: Standard (dependent on application setup)
  • Mounting: Direct shaft or linkage mounting
  • Housing: Heavy-duty industrial-grade materials
  • Condition: New

Key Features

  • Proportional control for accurate damper or valve positioning
  • Spring return ensures reliable fail-safe operation
  • Designed for long-term use in HVAC and process air systems
  • Compatible with standard pneumatic control signals
  • Smooth, responsive modulation for airflow and pressure control
  • Suitable for retrofit or new construction installations

Compatible Applications

  • Air handling unit dampers
  • Combustion air and flue gas dampers
  • Zoned ventilation systems
  • Industrial air balancing and process control
  • Pneumatic HVAC and building automation systems

Installation & Maintenance Notes

  • Connect to a clean, regulated pneumatic air source
  • Mount using proper linkage or directly to compatible shaft
  • Confirm stroke length and return action before commissioning
  • Regularly inspect diaphragm, air fittings, and linkage components
  • Test modulation response to ensure full control signal range coverage

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