12 In.dia GSteel Manual Balancing Dampr, Damper Application Balancing, For Nominal Duct Diameter 12 in, Frame Material Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height Not Applicable, Rough Opening Diameter 12 in, Rough Opening Shape Round, Fits Fan Diameter Not Applicable, For Duct Shape Round, Overall Width Not Applicable, Frame Material Thickness 16 ga, Overall Length 6 3/8 in, Connection Type Not Applicable, Frame Depth 6 3/8 in, Rough Opening Length Not Applicable ManualDesigned to regulate airflow, but not intended for use where positive shut-off or automatic control is needed. Features manual hand quadrant that can be locked in place.Balancing Dampers ⢠Galvanized Steel Velocity rating: 2000 fpm Pressure rating: 1.0" wg Max. temp.: 180 Degrees F.
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13.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 14 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 13 3/4 in, Rough Opening Diameter 14 in, Rough Opening Shape Square, Fits Fan Diameter 12 in, For Duct Shape Square, Free Area 1 sq ft, Overall Width 13 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 14 in, Maximum Pressure 1 in wc This damper is for use in roof curbs, ductwork, and wall collars when using a fan or power roof ventilator. The G-90 galvanized frame is 2" deep. Features include mill-finish aluminum louvers, stainless steel pivot pins and rivets, and nylon bushings.
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Round Fire/Smoke Damper, 120V, 3000 fpmRound Fire/Smoke Damper,GalvSt 5.9 In. We will do everything we can to make sure your happy with your order. You may need to sign in. We are happy to help!
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Type CG and CS :- Circular Fire Dampers for Fire Rated Walls and Partitions, 2hr (120min) rated in a range of various sizes. These Fire dampers are manufacted from a corrosion resistant galvanised steel, they contain a Galvanised Steel or Stainless Steel curtain shutter, held in the open position by a fused link.
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See pictures for details.
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MPN : 46210701. Particularly useful in situations where a standard draft hood isn't feasible, this damper is a versatile solution for handling vent system pressures and improving overall appliance performance.
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9.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 10 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 9 3/4 in, Rough Opening Diameter 10 in, Rough Opening Shape Square, Fits Fan Diameter 10 in, For Duct Shape Square, Free Area 0.4 sq ft, Overall Width 9 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 10 in, Maximum Pressure 1 in wc This damper is for use in roof curbs, ductwork, and wall collars when using a fan or power roof ventilator. The G-90 galvanized frame is 2" deep. Features include mill-finish aluminum louvers, stainless steel pivot pins and rivets, and nylon bushings.
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