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| Type of Product | Backdraft Damper |
| Country of Origin | USA |
| Flange Width | 1-1/2 inch |
| Blade Material | Aluminum |
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Type of Product |
Backdraft Damper |
Country of Origin |
USA |
Flange Width |
1-1/2 inch |
Blade Material |
Aluminum |
Maximum Ambient Temperature |
180°F |
Blade Type |
Flat Blade |
Mounting position |
Vertical |
Flange Type |
Front Flange |
Blade Thickness |
26 ga |
Maximum Pressure |
25.4 mm wc |
Seal Material |
Felt |
Overall Length |
4-1/2 inch |
Mounting Location |
Wall |
Fan Diameter |
12 inch |
Free Area |
0.9² ft |
Overall Height |
15-3/4 Inch |
Part No |
4HX75 |
Rod Material |
Galvanized Steel Frame and Tie Rods |
Rough Opening Width |
13.5 inch |
Overall Width |
15-3/4 inch |
Frame Material |
Aluminum |
Item Code |
4HX75 |
Maximum Air Velocity |
2250 fpm |
Series |
CWV |
For Duct Shape |
Square |
Rough Opening Length |
12-1/2 inch |
Action Type |
Normally Closed |
Damper Type |
Static |
Number of Panel |
1 |
Frame Depth |
1-5/8 inch |
Rough Opening Diameter |
13-1/2 inch |
Orientation |
Parallel Blades |
Shape |
Square |
UNSPSC Code |
40101504 |
Air Flow |
Horizontal Vertical |
Overall Height (mm) |
400.05 mm |
Overall Length (cm) |
11.43 cm |
Overall Width (mm) |
400.05 mm |
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