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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