Barber Colman M556-14 Pneumatic Damper Actuator (Schneider Electric)
The Barber Colman M556-14, now part of Schneider Electric’s product line, is a pneumatic damper actuator designed for proportional control in HVAC systems. It operates within a control spring range of 8 to 13 psig, providing precise modulation of airflow in ventilation and zoning applications. The actuator features a spring-return mechanism that ensures dampers return to a default position upon loss of air pressure, enhancing system safety and reliability.
The Barber Colman M556-14 pneumatic damper actuator offers reliable and precise control for a variety of HVAC applications, contributing to improved system efficiency and occupant comfort.
Technical Specifications
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Model: M556-14
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Type: Pneumatic Damper Actuator
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Manufacturer: Barber Colman (Schneider Electric)
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Control Signal: Proportional
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Control Spring Range: 8 to 13 psig
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Stroke: Refer to model-specific documentation
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Spring Action: Retracts actuator shaft on loss of air pressure
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Ambient Temperature Limits: -20 to 180°F (-29 to 82°C)
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Supply Air Pressure: Clean, dry, oil-free air required; nominal 20 psig, maximum 30 psig
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Air Consumption (Positioner Models): 0.017 scfm (0.481 L/m)
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Construction: Glass-filled nylon housing; neoprene rolling-type diaphragm; stainless steel shaft
Key Features
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Proportional Control: Enables precise modulation of damper positions based on control signal variations.
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Spring-Return Mechanism: Ensures dampers return to a predetermined position upon loss of air pressure, enhancing safety.
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Durable Construction: Built with high-quality materials to withstand the rigors of commercial and industrial HVAC applications.
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Wide Operating Temperature Range: Suitable for environments with temperatures ranging from -20 to 180°F.
Compatible Components & Accessories
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Crank Arms: AM-112 (slotted crank arm for 3/8 in. shaft), AM-113 (slotted crank arm for 1/2 in. shaft)
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Linkage Kits: AM-122 (straight connector), AM-132 (ball joint connector)
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Damper Rods: AM-125 (5/16 x 20 in.), AM-125-048 (5/16 x 48 in.)
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Mounting Brackets: AM-532 (frame mounting kit)
Industry Applications
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HVAC Systems: Provides precise control of airflow in heating, ventilation, and air conditioning systems.
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Zoning Applications: Enables independent control of different zones within a building for enhanced comfort and energy efficiency.
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Industrial Ventilation: Regulates airflow in industrial settings to maintain optimal working conditions and comply with safety standards.
Installation & Maintenance Notes
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Air Supply: Ensure the actuator is supplied with clean, dry, oil-free air to prevent contamination and ensure optimal performance.
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Mounting: Securely mount the actuator using appropriate brackets and linkage kits, ensuring proper alignment with the damper shaft.
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Adjustment: Adjust the control spring range and stroke as needed to match the specific requirements of the application.
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Inspection: Regularly inspect the actuator for signs of wear or damage, particularly the diaphragm and seals, and replace components as necessary to maintain performance.
We ship this product worldwide! Delivery is normally stock.
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