Round Fire Damper, 13-5/8 In. D, 165 Deg F
| Item | 4"dia Galvanized Steel Fire Damper |
|---|---|
| Mounting Type | Dynamic, Vertical or Horizontal |
| Shape | Round |
| Includes | Stainless Steel Closure Spring; UL Fusible Link |
| Material | 20 ga Galvanized Steel |
| Damper Depth | 13 5/8 in |
| Free Area | 0.1 sq ft |
| Fire Rated | 1 1/2 hr |
| For Use With | Low Pressure HVAC Systems |
| Damper Dia. | 3-7/8 in |
| Damper Item | Fire Damper |
| Damper Shape | Round |
| Nominal Duct Dia. | 4 in |
| Standards | NFPA 90A,101, CSFM, IBC, NFPA 80, NYC MEA, UL 555 |
| Fusible Link | 165 Degrees F |
| Rough Opening Width | 4 in |
| Maximum Pressure | 4 in wc |
| Closure Pressure Rating | 4 in wc |
| Closure Velocity Rating | 2,000 fpm |
| Damper Application | Fire |
| Airflow Direction | Horizontal, Vertical |
| Closure Type | Spring |
| Overall Diameter | 3-7/8 in |
| Maximum Air Velocity | 2,000 fpm |
| Blade Type | Butterfly |
| Frame Material | Galvanized Steel |
| Mounting Style | Not Applicable |
| Mounting Position | Horizontal, Vertical |
| Overall Length | 14 in |
| Number of Panels | 1 |
| Damper Type | Dynamic |
| Connection Type | Not Applicable |
| Blade Seal Material | Not Applicable |
| Blade Orientation | Not Applicable |
| Flange Width | Not Applicable |
| Rough Opening Length | Not Applicable |
| Fits Fan Diameter | Not Applicable |
| Rough Opening Shape | Round |
| Rough Opening Diameter | 4 in |
| For Nominal Duct Diameter | 4 in |
| Flange Type | Not Applicable |
| ACMA Leakage Class | Not Applicable |
| Frame Less Flange | 12.6 sq in |
| Frame Material Thickness | 20 ga |
| Single Acting/Double Acting | Not Applicable |
| Switch Action | Normally Open |
| Maximum Ambient Temperature | 165 Degrees F |
| Fusible Link Temperature | 165 deg F |
| Blade Material | Galvanized Steel |
| For Fuel Type | Not Applicable |
| Counterbalanced | Not Applicable |
| Overall Height | Not Applicable |
| Seal Material | Not Applicable |
| Frame Depth | 14 in |
| Overall Width | Not Applicable |
| Pressure Drop @ 1000 fpm (AMCA 5.2) | Not Applicable |
| For Duct Shape | Round |
| Type | Dynamic With Fire Resistance Rating Less Than 3 Hours |
| Country of Origin (subject to change) | United States |
| Package Quantity | 1 |