The Barber Colman M573-1111 is a pneumatic damper actuator designed for modulating control in HVAC and ventilation systems. This actuator provides proportional movement based on pneumatic input pressure and includes a spring return feature for reliable fail-safe positioning in the event of air pressure loss. Engineered for performance and durability, it is ideal for commercial and industrial damper control applications.
Technical Specifications
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Model: M573-1111
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Type: Pneumatic damper actuator
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Control Type: Proportional (modulating)
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Return Type: Spring return
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Application: HVAC dampers and ventilation systems
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Stroke: Standard (varies with damper linkage setup)
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Control Pressure Range: Typically 3–15 psi (confirm system specs)
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Mounting: Direct or bracketed to damper shaft
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Material: Heavy-duty construction for long service life
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Condition: New
Key Features
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Proportional pneumatic actuator for smooth, precise damper control
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Spring return mechanism ensures fail-safe damper closure or opening
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Compatible with standard pneumatic control systems
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Built for continuous operation in commercial and industrial HVAC systems
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Easy to integrate with existing damper setups using linkage or brackets
Compatible Applications
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Air handling units and mixing boxes
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Supply and exhaust dampers
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Variable air volume (VAV) systems
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Commercial HVAC zoning and airflow control
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Energy management systems requiring pneumatic actuation
Installation & Maintenance Notes
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Ensure correct pneumatic tubing is used and connections are tight
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Mount actuator securely and align properly with damper linkage
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Check spring return function before system startup
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Verify control pressure range matches system settings
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Inspect periodically for signs of air leakage, stroke obstruction, or linkage wear
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance