Barber Colman M573-2108 Actuator

The Barber Colman M573-2108 is a pneumatic damper actuator engineered for modulating control in HVAC and ventilation systems. Built for proportional response, this actuator operates within a standard pneumatic signal range and includes a spring return mechanism for automatic fail-safe positioning. Its robust design and reliable performance make it suitable for a variety of commercial and industrial air control applications.

Technical Specifications

  • Model: M573-2108

  • Type: Pneumatic Damper Actuator

  • Control Type: Proportional (Modulating)

  • Return Type: Spring Return

  • Control Signal: Standard pneumatic (typically 3–15 psi)

  • Stroke: Standard (varies depending on application and linkage)

  • Mounting: Direct to damper shaft or with linkage

  • Material: Heavy-duty housing for industrial use

  • Condition: New

Key Features

  • Provides smooth, proportional control for dampers

  • Spring return ensures safe default position in case of pressure loss

  • Responsive to standard pneumatic control signals

  • Durable construction for long-lasting performance in commercial systems

  • Easy integration with existing pneumatic control systems and linkages

Compatible Applications

  • HVAC air handling units

  • Supply and return dampers

  • Combustion air and flue dampers

  • Zoned ventilation systems

  • Industrial exhaust and intake airflow control

Installation & Maintenance Notes

  • Connect to a clean, dry pneumatic air supply

  • Mount actuator securely using compatible bracket or shaft linkage

  • Confirm control pressure range and stroke travel before operation

  • Test spring return functionality during setup

  • Perform routine checks for air leaks, wear on linkages, and full actuator travel


We ship this product worldwide! Delivery is normally stock.

Request a Quote now or call us at 1-800-755-2883 for expert assistance

Get A Quote

Fill in the form below, or call us now at 1-800-755-2883

"*" indicates required fields

This field is for validation purposes and should be left unchanged.

Full Product Catalog

See our comprehensive product catalog!