Backdraft Dampers

Model WD-100 Commercial Steel Frame Backdraft Damper less Flange

• Primarily for use with roof-mounted exhaust fans
• Mounts horizontally to allow vertical airflow
• Opens using air pressure differential
• Closes using gravity
• 18 Gauge galvanized steel frame
• Roll-formed aluminum blades with vinyl blade seals
• 3/16" Diameter zinc-plated steel axle with synthetic axle bearings
• Galvanized steel linkage
• Pressure: 1.0"wg differential
• Velocity: up to 2,500 fpm
• Temperature rating: 180°F (82°C)
• 1-Year limited warranty from date of shipment