DIRT 4
Rectangular connection duct with a circular duct connection and a rubber seal
A rectangular connection duct with a circular duct connection and a rubber seal. The connection duct is telescopic by 300 mm in height.
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A rectangular connection duct with a circular duct connection and a rubber seal. The connection duct is telescopic by 300 mm in height.
| DIR | l/s | ||
| Size | 25 dB(A) | 30 dB(A) | 35 dB(A) |
| 400 | 34 | 40 | 48 |
| 500 | 47 | 57 | 66 |
| 600 | 60 | 71 | 85 |
| 900 | 110 | 130 | 148 |
The sound data applies to the displacement unit together with the connection duct.
*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.
| Document | Article | Document type | Date | Download |
|---|---|---|---|---|
| NEW test doc english USA (only) (pdf 16.09kB) | 123456 | Quality | 1/20/2025 |