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A| Style | Model | Free Area | Actual Height | Actual Width | Nominal Duct Height | Nominal Duct Width | Mounting Type | Shape | Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 3HGG6 | 35.28 sq. in. | 7 3/4" | 7 3/4" | 8" | 8" | Horizontal/Vertical | Square | Steel | £595.41 | |
| A | 3HGG1 | 35.28 sq. in. | 7 3/4" | 7 3/4" | 8" | 8" | Horizontal/Vertical | Square | Steel | £595.44 | |
| A | 3HGG2 | 43.48 sq. in. | 9 3/4" | 9 3/4" | 10" | 10" | Horizontal/Vertical | Square | Steel | £606.33 | |
| A | 3HGG7 | 43.48 sq. in. | 9 3/4" | 9 3/4" | 10" | 10" | Horizontal/Vertical | Square | Steel | £612.40 | |
| A | 3HGG8 | 159.69 sq. in. | 15 3/4" | 15 3/4" | 16" | 16" | Horizontal/Vertical | Square | Steel | £722.27 | |
| A | 3HGG3 | 159.69 sq. in. | 15 3/4" | 15 3/4" | 16" | 16" | Horizontal/Vertical | Square | Steel | £647.36 | |
| A | 3HGG4 | 240.91 sq. in. | 17 3/4" | 17 3/4" | 18" | 18" | Horizontal/Vertical | Square | Steel | £656.70 | |
| A | 3HGG9 | 240.91 sq. in. | 17 3/4" | 17 3/4" | 18" | 18" | Horizontal/Vertical | Square | Steel | £709.13 | |
| A | 3HGH1 | 382.32 sq. in. | 23 3/4" | 23 3/4" | 24" | 24" | Horizontal/Vertical | Square | Steel | £782.27 | |
| A | 3HGG5 | 382.32 sq. in. | 23 3/4" | 23 3/4" | 24" | 24" | Horizontal/Vertical | Square | Steel | £781.15 |
Dayton square motorised smoke dampers are designed to protect buildings in case of accidental fires and smoke. They are ideal for HVAC system emergency control. These dampers close automatically under power cuts or during temperature spikes to prevent the spread of smoke through ducts. They are made from 16 gauge galvanised steel to withstand high temperatures and have flexible stainless steel jambs for sealing. These dampers can be mounted in both vertical and horizontal positions.