AU 661 series - aluminium
AU 661 series - aluminium
The AU 661 is an in-duct backdraft damper to create positive or negative pressure in a commercial building,
AU 661 series - aluminium
The AU 661 is an in-duct backdraft damper to create positive or negative pressure in a commercial building, The frame is made of galvanised steel and the mobile vanes are made of profiled sheet aluminium. Dimensions available from 200 x 200 mm to 1600 x 2000 mm in increments of 25 mm in L and 150 mm in H.
The + products
- grille suited for installation in duct.
The AU 661 is an in-duct backdraft damper to create positive or negative pressure in a commercial building,
- in-duct backdraft damper to create positive or negative pressure,
- mobile vanes made of profiled aluminium, with airtight strip on inner edge,
- vanes fitted on nylon bearings and connected together with rods,
- U-shape profile galvanised steel frame,
- standard rough aluminium finish.
- installed in a duct.
| Main material | Insulation material |
|---|---|
| Aluminium |
