The Barber Colman MK-3101 is a pneumatic damper actuator designed for precise linear control in HVAC systems. Operating within a 3 to 8 psig spring range, it features an adjustable stroke length between 2 and 4 inches. The actuator includes a spring return mechanism that retracts the actuator shaft upon loss of air pressure, ensuring fail-safe operation.
Technical Specifications
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Model: MK-3101
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Type: Pneumatic damper actuator
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Control Signal: Proportional or two-position (based on controller setup)
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Spring Range: 3 to 8 psig
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Stroke Length: Adjustable from 2 to 4 inches
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Spring Return: Yes, retracts actuator shaft on loss of air pressure
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Maximum Air Pressure: 30 psig
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Air Connections: 1/8″ FNPT
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Mounting: Any position
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Operating Temperature Range: -20°F to 160°F (-29°C to 71°C)
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Condition: New
Key Features
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Provides precise linear control for HVAC dampers
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Adjustable stroke length accommodates various damper sizes
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Spring return mechanism ensures safety during air pressure loss
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Compact design suitable for space-constrained installations
Compatible Applications
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HVAC systems requiring modulating or two-position damper control
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Ventilation and exhaust systems
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Industrial process control requiring pneumatic actuation
Installation & Maintenance Notes
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Ensure proper alignment during installation to prevent binding
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Verify pneumatic connections are secure and leak-free
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Regularly inspect actuator for signs of wear or damage
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Follow manufacturer guidelines for maintenance procedures
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance