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| Type of Product | Fire Damper |
| Country of Origin | USA |
| Blade Material | Galvanized Steel |
| Maximum Ambient Temperature | 165 °F |
Type of Product |
Fire Damper |
Country of Origin |
USA |
Blade Material |
Galvanized Steel |
Maximum Ambient Temperature |
165 °F |
Blade Type |
Butterfly |
Mounting position |
Horizontal Vertical |
Maximum Pressure |
101.6 mm wc |
Overall Length |
14 inch |
Mounting Location |
Wall |
Free Area |
0.1 sq ft |
Overall Diameter |
3-7/8 inch |
Part No |
2TFZ4 |
Rough Opening Width |
4 inch |
Frame Material |
Galvanized Steel |
Item Code |
2TFZ4 |
Maximum Air Velocity |
2000 fpm |
Includes |
Stainless Steel Closure Spring UL Fusible Link |
For Duct Shape |
Round |
Nominal Duct Diameter |
4 inch |
Damper Type |
Dynamic |
Frame Depth |
14 inch |
Rough Opening Diameter |
4 inch |
UNSPSC Code |
40101504 |
Air Flow |
Horizontal Vertical |
Standard |
CSFM IBC NFPA 80 NFPA 90A,101 NYC MEA UL 555 |
Damper Application |
Fire |
Pressure Rating |
4 inch wc |
Fusible Link Temperature |
165 °F |
Velocity |
2,000 fpm |
Material Thickness |
20 ga |
Closure Type |
Spring |
Frame Size |
12.6² inch |
Rough Opening Shape |
Round |
Switch Action |
Normally Open |
Overall Length (cm) |
35.56 cm |
Overall Diameter (mm) |
98.43 mm |
Frame Size (mm) |
320.04 mm |
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