The Barber Colman MK-3151 is a pneumatic actuator designed for modulating control of dampers and valves in HVAC and industrial systems. Built for precision and reliability, it operates in response to a pneumatic control signal, delivering smooth, proportional motion to regulate airflow or fluid flow. Its rugged design makes it suitable for demanding environments where consistent performance is critical.
Technical Specifications
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Model: MK-3151
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Type: Pneumatic Damper/Valve Actuator
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Control Type: Proportional (Modulating)
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Signal Range: Typically 3–15 psi
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Motion Type: Linear
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Spring Return: Depending on model configuration (confirm if required)
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Mounting: Direct to valve or damper, or with appropriate linkage
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Housing: Heavy-duty industrial-grade construction
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Condition: New
Key Features
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Provides precise modulating control for dampers or valves
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Operates on standard pneumatic control signals
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Built for long-lasting service in HVAC and process environments
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Smooth linear actuation for accurate airflow or fluid regulation
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Ideal for integration with pneumatic building automation systems
Compatible Applications
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Air handling unit dampers
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Supply and return air regulation
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Steam and hot water valve control
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Pneumatic zone systems
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Industrial ventilation and fluid control applications
Installation & Maintenance Notes
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Ensure clean, dry compressed air supply
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Mount securely to the damper or valve body with appropriate linkage
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Verify full stroke travel during commissioning
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Inspect regularly for signs of air leakage, diaphragm wear, or mechanical misalignment
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Test modulation response periodically to ensure consistent control
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance