On-Line Catalog : Fire Dampers > Dynamic - 3 hr > Airfoil Blade > FD-350
Model FD-350 3 hour — fire damper airfoil blade
Application
The FD-350 fire damper employs airfoil blades for point-of-origin control of fire in static and dynamic HVAC systems. The FD-350 is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed horizontally in floors or assemblies with fire resistance ratings up to 4 hours.Documents
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- EFJ-245 - j-blade / 2" deep
- EFJ-430 - j-blade / 4" deep / 30°
- EFJ-437 - j-blade / 4" deep / 37½°
- EFJ-445 - j-blade / 4" deep / 45°
- EFJ-645 - j-blade / 6" deep
- EFK-430 - k-blade / 4" deep / 30°
- EFK-437 - k-blade / 4" deep / 37½°
- EFK-445 - k-blade / 4" deep / 45°
- EFK-637 - k-blade / 6" deep
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- ECD-445 - horizontal blade / 4" deep
- ECD-545 - horizontal blade / 5" deep
- ECD-635 - horizontal blade / 6" deep
- ECD-745 - horizontal blade / 7" deep
- ECV-445 - vertical blade / 4" deep
- ECV-545 - vertical blade / 5" deep
- ECV-645 - vertical blade / 6" deep
- EFJ-745 - horizontal front blade with vertical rear blade
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