12B Pressure relief damper, plastic

Pressure relief dampers manufactured form plastic sections. 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
Range
| Article number | : | 12-1616B |
| Specification | : | brown, pipe 100/125 mm (110x55 mm) |
| Dimension | : | 155 x 155 mm |
| EAN code | : | 8713628129559 |
| Box Qty | : | 12 |
| Weight gramme | : | 110 |
| LD cm2 | : | 94 |
| Pressure drop | 1 Pa | 2 Pa | 5 Pa | 10 Pa | 20 Pa |
| dm3/s | 9 | 12 | 19 | 28 | 39 |
| m3/u | 31 | 44 | 70 | 99 | 140 |