Smoke Damper – 3 Hours
FSD-3H
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SKU: FIRE-SMOKE-DAMPER-3H
In Stock
The Fire Smoke Damper is a combination fire and smoke control device designed for HVAC ventilation systems and dynamic smoke management applications. It provides reliable protection against the spread of fire and smoke through fire-rated walls and partitions.Designed for dynamic operation, the damper supports vertical installation with airflow in both directions and is suitable for fire-rated partitions with resistance ratings of up to 4 hours, subject to the applicable certified installation
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Technical Specifications
| Product Type | Combination Fire and Smoke Damper |
|---|---|
| Fire Resistance Rating | 3 Hours (Subject to Certification) |
| Fire Classification | UL 555 |
| Smoke Classification | UL 555S |
| Application | HVAC and Dynamic Smoke Management |
| Mounting Orientation | Vertical |
| Airflow Direction | Both Directions |
| Maximum Static Pressure | 4 in. W.G. (1000 Pa) |
| Maximum Air Velocity | 4000 FPM (20.3 m/s) |
| Maximum Operating Temperature | 350°F (177°C) |
| Frame Material | Galvanized Steel |
| Frame Thickness | 16 Gauge (1.6 mm) |
| Frame Construction | Interlocking Hat Section Channel |
| Blade Material | Galvanized Steel |
| Blade Thickness | 16 Gauge (1.6 mm) |
| Blade Design | Three-V Formed |
| Closure Device | Electronic Fusible Link |
| Closure Temperature | 165°F (74°C) for RS-100 configuration |
| Bearing Type | Oil-Impregnated Sintered Bronze |
| Axle Material | Zinc-Plated Steel |
| Axle Size | 1/2 inch (12.7 mm) |
| Linkage Material | Zinc-Plated Steel |
| Blade Seals | Silicone Edge Type |
| Blade Seal Temperature Rating | 450°F (232°C) |
| Jamb Seals | 300 Series Stainless Steel |
| Jack Shaft Diameter | 1/2 inch (12.7 mm) |
| Finish | Mill Galvanized |
| Sleeve Shape | Rectangular |
| Actuator Type | Electric Spring Return or Pneumatic |
| Actuator Voltage | 24V, 120V or 230V |
| Minimum Size | 8 x 8 inches (203 x 203 mm) |
| Maximum Size | 36 x 36 inches (914 x 914 mm) |
| Optional Bearings | Stainless Steel |
| Optional Construction | Stainless Steel |
| Optional Sleeve Shapes | Round, Oval and Special |
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