Pressure relief dampers manufactured from extruded aluminium. Designed for surface mounting. These dampers have adjustable blades, which open by air pressure.
Application
For use outside, for movement of air one way only, from inside to outside.
Standard
- satin anodised.
- fixing holes.
- Foam rubber inlay strip gives a precise fit to the wall.
- Louvres balanced to give good air flow at appropriate pressure level.
- included fasteners and plugs.
Options
- other dimensions , see SG120.
- powder coating in RAL colours.
Technical details
| Article number | : | 12-2121AA |
| Specification | : | anodised |
| Dimension | : | 205 x 205 mm |
| EAN code | : | 8713628121072 |
| Box Qty | : | 1 |
| Weight gramm | : | 360 |
| LD cm2 | : | 156 |
| Pressure drop | 1 Pa | 2 Pa | 5 Pa | 10 Pa | 20 Pa | 40 Pa | 60 Pa |
| dm3/s | 13 | 18 | 29 | 41 | 58 | 82 | 101 |
| m3/u | 47 | 65 | 104 | 148 | 209 | 295 | 364 |
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