Quality dampers designed for low to medium-velocity systems to prevent backdrafts or reversal of airflow.
| Model | Blade Type | Frame Material | Frame Depth | Max Vel. FPM | Submittal | |||||
|
3101 Counterbalanced Backdraft Damper | Blade Type: | Single Blade | Frame Material: | Galvanized G-90 | Frame Depth: | 3.25" | Max Vel.FPM: | 1500 | |
|
|
3102 Counterbalanced Backdraft Damper | Blade Type: | 3V - Standard | Frame Material: | Galvanized G-90 | Frame Depth: | 3.25" | Max Vel.FPM: | 1500 | |
|
|
3111 Counterbalanced Backdraft Damper | Blade Type: | Single Blade | Frame Material: | Galvanized G-90 | Frame Depth: | 3.25" | Max Vel.FPM: | 1500 | |
|
|
3112 Counterbalanced Backdraft Damper | Blade Type: | 3V - Standard | Frame Material: | Galvanized G-90 | Frame Depth: | 3.25" | Max Vel.FPM: | 1500 | |
|
|
3121 Counterbalanced Backdraft Damper | Blade Type: | Single Blade | Frame Material: | Galvanized G-90 | Frame Depth: | 3.25" | Max Vel.FPM: | 1500 | |
|
|
3122 Counterbalanced Backdraft Damper | Blade Type: | 3V - Standard | Frame Material: | Galvanized G-90 | Frame Depth: | 3.25" | Max Vel.FPM: | 1500 | |
|
3201 Medium-Duty Counterbalanced Backdraft Damper | Blade Type: | Single Blade | Frame Material: | Galvanized G-90 | Frame Depth: | 8" | Max Vel.FPM: | 3500 | |
|
|
3202 Medium-Duty Counterbalanced Backdraft Damper | Blade Type: | 2V | Frame Material: | Galvanized G-90 | Frame Depth: | 8" | Max Vel.FPM: | 3500 | |
|
|
3212 Medium-Duty Counterbalanced Backdraft Damper | Blade Type: | 2V | Frame Material: | Galvanized G-90 | Frame Depth: | 8" | Max Vel.FPM: | 3500 | |
|
3301 Round Counterbalanced Backdraft Damper | Blade Type: | Single Blade | Frame Material: | Black Iron | Frame Depth: | 2" | Max Vel.FPM: | 1500 | |
|
|
3311 Round Counterbalanced Backdraft Damper | Blade Type: | Single Blade | Frame Material: | Black Iron | Frame Depth: | 2" | Max Vel.FPM: | 1500 | |
|
3402 Extruded Aluminum Backdraft Damper | Blade Type: | 2V | Frame Material: | Extruded Aluminum | Frame Depth: | 2.75" | Max Vel.FPM: | 2500 | |
|
3502H High Velocity Backdraft Damper | Blade Type: | 2V | Frame Material: | Fabricated Aluminum | Frame Depth: | 4" | Max Vel.FPM: | 3500 | |
|
3602 Fabric Blade Backdraft Damper | Blade Type: | Fabric | Frame Material: | Galvanized G-90 | Frame Depth: | 4" | Max Vel.FPM: | 1000 |
