Backdraft Damper 20" - 411-STD 20
Vendor: Global Industrial
Vendor SKU:
WBB771519
Manufacturer:
Air Conditioning Products
MPN:
411-STD 20
Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications.
MADE IN THE USA
MADE IN THE USA
Specifications
| Width | 19-3/4 in |
|---|---|
| Depth | 2 in |
| Height | 19-3/4 in |
| Weight | 5 lbs |
| Max Velocity | 2000 ft/min |
| Rough Opening | 20 x 20 in |
| Max Pressure In W.g. | 1 in |
| Free Area | 2.17 ft³ |
| Diameter | 20 in |
| Type | Backdraft |
| Number Of Panels | 1 |
| For Use With | Power Roof Ventilators |
| Mounting Location | Horizontal |
| Material | Aluminum/Galvanized Steel |
| Manufacturers Part Number | 411-STD 20 |
| Brand | Air Conditioning Products |
| Warranty | 1 yr |