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A| Style | Model | For Nominal Duct Diameter | Rough Opening Width | Rough Opening Dia. | Seal Material | Diameter | Overall Dia. | Mounting Position | Frame Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 3HGN7 | 6" | 6" | 6" | Not Applicable | 5 7/8" | 5 7/8" | Horizontal | Steel | £312.90 | |
| A | 3HGN8 | 8" | 8" | 8" | Not Applicable | 7 7/8" | 7 7/8" | Horizontal | Steel | £355.31 | |
| A | 3HGN9 | 10" | 10" | 10" | Not Applicable | 9 7/8" | 9 7/8" | Horizontal | Steel | £376.40 | |
| A | 3HGP1 | 12" | 12" | 12" | EPDM | 11 7/8" | 11 7/8" | Horizontal | Steel | £400.59 | |
| A | 3HGP2 | 14" | 14" | 14" | EPDM | 13 7/8" | - | Horizontal | Steel | £410.40 |
Dayton volume control dampers are used for regulating the volume of air passing through duct systems and provide a positive shutoff for modulating airflow in HVAC systems. These units have 16 gauge galvanised steel construction to withstand high temperatures up to 180 degrees F and prevent damage in tough environments. They feature symmetrical opposed blade configuration to regulate airflow in either direction and have stainless steel bearings for smooth operation. Choose from an array of these control dampers, available in 6, 8, 10, 12 and 14 inch duct diameters.