The Barber Colman MK-3111 is a pneumatic damper actuator engineered for precise linear control in HVAC systems. Operating within a 5 to 10 psig control pressure range, this actuator provides reliable modulation for dampers and valves in commercial and industrial applications.
Technical Specifications
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Model: MK-3111
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Actuator Type: Pneumatic, linear
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Control Signal: 5–10 psig
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Spring Return: Yes
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Stroke Length: Approximately 2 inches
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Connections: 1/8″ NPT air connections
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Mounting: Versatile mounting options
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Operating Temperature: -20°F to 160°F (-29°C to 71°C)
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Condition: New
Key Features
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Provides accurate and reliable damper control in HVAC systems
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Operates within a standard 5–10 psig pneumatic control range
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Compact design suitable for space-constrained installations
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Durable construction for long-term performance
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Compatible with various control systems and dampers
Compatible Applications
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HVAC air handling units
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Ventilation and exhaust systems
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Zone control dampers
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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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Regularly inspect pneumatic lines for leaks or blockages
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Verify that the actuator operates within the specified pressure range
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Periodically check linkage and positioner for wear and proper function
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance