The Barber Colman M573-3520 is a pneumatic damper actuator designed for precise proportional control in HVAC systems. Featuring a 3-inch stroke and operating within a 5 to 10 psig spring range, it is suitable for applications requiring accurate modulation of dampers.
Technical Specifications
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Model: M573-3520
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Type: Pneumatic damper actuator
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Stroke Length: 3 inches
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Spring Range: 5 to 10 psig
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Effective Diaphragm Area: 7 in² (45 cm²)
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Mounting: Post-mounted with clevis and pin
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Spring Return: Yes; retracts actuator shaft upon air pressure loss
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Construction: Rigid, corrosion-resistant glass-filled nylon body; 303 stainless steel shaft
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Air Connections: Barbed fitting for 1/4″ O.D. plastic tubing
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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 proportional control for HVAC dampers
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Spring return mechanism ensures safety during air pressure loss
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Compact design suitable for various installations
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Designed for 5 to 10 psig control signals
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