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Series 3000 Dampers
Triangle Engineering manufactures & delivers high quality aluminum back draft dampers at competitive prices. Our dampers are all engineered to combine strength and durability in the use of providing controlled airflow against drafts. Our dampers are available in several styles to satisfy your engineering specifications.
Available Options
- Heavy Duty Blade .050” Extruded Aluminum Blade
- Conduit Hole Through Blade Line
- Motor Operator
- Adjustable Spring Counter Balance
- Adjustable Weighted Counter Balance
- Bird Screen
- Insect Screen
- Chain Operator
- Full-Length Hinge Seal
Series 3000 Standard Specifications
| Construction | 45 degree mitered corners; riveted linkage 3000-3200 screwed corners |
| Finish | Mill Finish |
| Max Single Section Size* | 48″x48″ |
| Min. Size* | 6″x6″ |
| Blade Seals | Full Length Vinyl Weather Strip |
| Blade Thickness | .020 Roll-Formed Aluminum Mill Finish |
| Frame Style | Non-Flanged Inside Mount |
| Mounting Configuration | Vertical Position A Horizontal Position B (Air Flow Up) Horizontal Position C (Air Flow Down) |
| Frame Material | Extruded Aluminum |
*Call for special sizes
