Dampers
Manual Diffuser Damper
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Dampers
Back Draft Damper
Gravity-operated galvanized steel damper that lets air out and shuts when airflow stops, so there is no reverse draft.
Dampers
Back Draft Damper
Made to orderGravity-operated galvanized steel damper that lets air out and shuts when airflow stops, so there is no reverse draft.
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Available in all standard sizes · Custom sizes available upon request
Description
The Back Draft Damper is designed to prevent reverse airflow in HVAC and ventilation systems. It allows air to flow in one direction while automatically closing when airflow stops, ensuring system efficiency and preventing backflow.
Manufactured from high-quality galvanized steel, this damper provides durability, corrosion resistance, and reliable long-term performance.
Specifications
| Type | Back Draft Damper |
|---|---|
| Material | Galvanized Steel (GI) |
| Shape | Round |
| Operation | Gravity-operated / airflow activated |
| Installation | Inline duct connection |
Key features
- One-Way Airflow: Prevents reverse air movement
- Automatic Operation: Opens with airflow, closes when stopped
- Durable Construction: Corrosion-resistant GI material
- Low Resistance Design: Minimal pressure drop
- Maintenance-Free: Simple and reliable mechanism
Common applications
Exhaust and ventilation systemsKitchen and toilet exhaust ductsHVAC air systemsIndustrial ventilationPreventing backflow from outside air
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