The Barber Colman M693-3095 is a pneumatic piston damper actuator designed for precise control of HVAC terminal air unit dampers. Operating with a 2-inch stroke and delivering up to 23 in-lb of torque, it is suitable for applications requiring reliable modulation of dampers.
Technical Specifications
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Model: M693-3095
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Type: Pneumatic piston damper actuator
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Stroke Length: 2 inches (50.8 mm)
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Effective Area: 8 in² (51.6 cm²)
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Torque: 23 in-lb (2.6 N·m) maximum
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Spring Return: Yes; retracts actuator shaft upon air pressure loss
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Nominal Damper Area: 6 ft² (0.5 m²)
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Mounting: Right-angle bracket with linkage for 1/2″ diameter damper shaft
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Air Connection: Center-mounted, barbed fitting for 1/4″ O.D. plastic tubing
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Construction: All-metal; CRS/zinc dichromate plated actuator and bracket, aluminum shaft, neoprene diaphragm
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Operating Temperature Range: -20°F to 180°F (-29°C to 82°C)
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Condition: New
Key Features
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Provides precise control for HVAC terminal air unit dampers
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Spring return mechanism ensures fail-safe operation during air pressure loss
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Compact and durable design suitable for various installations
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Designed for easy integration with standard damper shafts
Compatible Applications
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HVAC systems requiring modulating 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