The Barber Colman MK-3141 is a pneumatic actuator designed for use in modulating valve and damper applications in HVAC and industrial control systems. This actuator delivers smooth, proportional control in response to pneumatic signals and is engineered for precision and reliability in high-demand environments. Ideal for both new installations and retrofits, the MK-3141 is commonly used in fluid flow regulation, air control, and process automation.
Technical Specifications
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Model: MK-3141
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Type: Pneumatic Actuator
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Application: Valve and Damper Control
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Control Type: Proportional (Modulating)
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Control Signal: Standard pneumatic signal (typically 3–15 psi)
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Motion Type: Linear
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Spring Return: Model dependent (confirm with configuration)
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Mounting: Direct or bracketed, depending on valve or damper setup
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Construction: Heavy-duty body designed for long-term use
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Condition: New
Key Features
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Provides accurate modulating control for dampers and globe valves
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Compatible with standard pneumatic control systems
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Durable construction for reliable performance in commercial and industrial environments
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Can be integrated into energy management and building automation systems
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Ideal for applications requiring responsive control of air or fluid flow
Compatible Applications
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HVAC chilled water or hot water valve control
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Air damper modulation in ventilation systems
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Steam valve regulation
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Industrial fluid handling systems
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Pneumatically controlled zones in building automation
Installation & Maintenance Notes
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Mount securely to compatible valve or damper using appropriate linkage
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Connect to a clean, regulated pneumatic control line
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Check actuator travel range and ensure full modulation during commissioning
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Inspect regularly for air leaks, diaphragm wear, or linkage misalignment
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Confirm pressure signal range matches system specifications
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance