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Round Dampers

Our endless aisle includes round dampers and so much more!

Featured Product

DAYTON Mtrzd Damper,For Fan Dia. 16",100-240V 4C560
$249.83
  • Motorized Damper, For Fan Dia. 16 in, Voltage 100 to 240, 50/60 Hz, Overall Square 19 in, Sq. Opening Required 17 in, Frame Less Flange 16 sq in, Free Area 1.75 sq ft, Motor Bracket Extension 6 7/8 in, Frame Thickness is 0.125 in, Blade Thickness is 0.080 in , Flange Width 1 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Intake or Exhaust Applications

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  • DAYTON Flanged Frame Motorized Damper,100-240V 5NKK1
    $331.63
    • Hat Channel Motorized Damper, Voltage 100 to 240, 50/60 Hz, Overall Square 11 3/4 in, Sq. Opening Required 12 in, Frame Less Flange 9-3/4 sq in, Free Area 0.372 sq ft, Motor Bracket Extension 11 1/2 in, Flange Width 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Duct Work In Volume Control Intake or Exhaust Applications

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  • DAYTON Mtrzd Damper,For Fan Dia. 12",100-240V 3HHP4
    $216.21
    • Motorized Damper, For Fan Dia. 12 in, Voltage 100 to 240, 50/60 Hz, Overall Square 15 in, Sq. Opening Required 13 in, Frame Less Flange 12 sq in, Free Area 0.835 sq ft, Motor Bracket Extension 6 7/8 in, Frame Thickness is 0.125 in, Blade Thickness is 0.080 in , Flange Width 1 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Intake or Exhaust Applications

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  • DAYTON Mtrzd Damper,For Fan Dia. 24",100-240V 3C727
    $245.61
    • Motorized Damper, For Fan Dia. 24 in, Voltage 100 to 240, 50/60 Hz, Overall Square 27 in, Sq. Opening Required 25 in, Frame Less Flange 24 sq in, Free Area 3.585 sq ft, Motor Bracket Extension 6 7/8 in, 14 Gauge Frame and 16 Gauge Blades, Flange Width 1 1/2 in, Galvanized Steel, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Intake or Exhaust Applications

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  • DAYTON Balancing Damper,Round, 6 In Diameter 2TFX7
    $92.94
    • Round Balancing Damper, Manual Single Blade, Damper Dia. (In.) 5 7/8 in, Frame Height (In.) -, Frame Width (In.) -, Frame Depth (In.) 6 3/8 in, Duct Dia. (In.) 6 in, Duct Height (In.) -, Duct Width (In.) -, Frame Material Galvanized Steel, Blade (Gauge) 20, Frame (Gauge) 20, Max. Velocity (FPM) 2, 000, Max. Temp. (F) 180 Degrees F, Synthetic (Acetal) Sleeve Type Bearings, Actuator 3/8 in Square Manual Locking Quadrant, Pressure Differential Max. 1.0 in wc

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  • DAYTON Round Fire Damper,165 Deg F,13-5/8 In. D 2TFZ5
    $87.76
    • Fire Damper, Fire Damper, Round, Mounting Type Dynamic, Vertical or Horizontal, Nominal Duct Dia. 6 in, Damper Depth 13 5/8 in, Material 20 ga Galvanized Steel, Damper Dia. 5 7/8 in, Fire Rated 1 1/2 hr, Free Area 0.16 sq ft, Fusible Link 165 Degrees F, For Use With Low Pressure HVAC Systems, Standards UL Standard 555, NFPA 80, 90A and 101, IBC, CSFM, NYC MEA, Includes Stainless Steel Closure Spring, UL Fusible Link

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  • DAYTON Flanged Frame Motorized Damper,100-240V 5NKK4
    $492.71
    • Hat Channel Motorized Damper, Voltage 100 to 240, 50/60 Hz, Overall Square 23 3/4 in, Sq. Opening Required 24 in, Frame Less Flange 21-3/4 sq in, Free Area 3.172 sq ft, Motor Bracket Extension 11 1/2 in, Flange Width 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Duct Work In Volume Control Intake or Exhaust Applications

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  • DAYTON Remote Balancing Damper,6 In 48C159
    $80.05
    • Remote Balancing Damper, Round, Damper Dia. (In.) 6 in, Frame Depth (In.) 6 3/8 in, Duct Dia. (In.) 6 in, Frame Material Galvanized Steel, Blade (Gauge) 20, Frame (Gauge) 20, Max. Velocity (FPM) 2, 000, Max. Temp. (F) 180 Degrees F, Synthetic Bearings, Actuator 9V, Pressure Differential Max. 1.0 in wc, Designed to Regulate the Flow of Air in a HVAC System, Includes Remote Balancing Damper with Actuator

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  • DAYTON Flanged Frame Motorized Damper,100-240V 5NKK3
    $455.77
    • Hat Channel Motorized Damper, Voltage 100 to 240, 50/60 Hz, Overall Square 19 3/4 in, Sq. Opening Required 20 in, Frame Less Flange 17-3/4 sq in, Free Area 2.126 sq ft, Motor Bracket Extension 11 1/2 in, Flange Width 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Duct Work In Volume Control Intake or Exhaust Applications

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  • DAYTON Mtrzd Damper,For Fan Dia. 24",100-240V 3C315
    $291.64
    • Motorized Damper, For Fan Dia. 24 in, Voltage 100 to 240, 50/60 Hz, Overall Square 27 in, Sq. Opening Required 25 in, Frame Less Flange 24 sq in, Free Area 3.585 sq ft, Motor Bracket Extension 6 7/8 in, Frame Thickness is 0.125 in, Blade Thickness is 0.080 in , Flange Width 1 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Intake or Exhaust Applications

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  • DAYTON Damper,Roof Mount 4HX65
    $35.74
    • Backdraft Damper, Roof Mount, Exhaust, Damper Size (In.) 15 x 15, Overall Size (In.) 17 x 17, Flange Width (In.) 1 in, Max. Velocity (FPM) 2, 000, Construction Material G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods. , Use w/Dayton Ventilators 4HX81, 4HX82, 4HX92, 4HX93, 4HZ40, 4HZ41, 4HZ44, 4HZ45, 4YC68-71, 4YC87, 4YC88, 4YC89, 4YC90, Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

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  • DAYTON Mtrzd Damper,For Fan Dia. 20",100-240V 4C561
    $273.56
    • Motorized Damper, For Fan Dia. 20 in, Voltage 100 to 240, 50/60 Hz, Overall Square 23 in, Sq. Opening Required 21 in, Frame Less Flange 20 sq in, Free Area 2.053 sq ft, Motor Bracket Extension 6 7/8 in, Frame Thickness is 0.125 in, Blade Thickness is 0.080 in , Flange Width 1 1/2 in, Extruded Aluminum, Mounting Position Horizontal or Vertical, Number of Panels 1, Power Open, Spring Return, For Use With Intake or Exhaust Applications

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