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Accoustic air valves Silent DPNN
| Price / Diameter: |
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|
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EU shipping 14 working days, non EU 21 working days
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Accoustic air valves Silent DPNN
- for air supply
- with sealing gasket
- special construction of the valve ensures low level of noise
- damper adjustable air flow
- with additional damper possible to adjust flow direction
- powder coated in RAL9016 colour
Brand: ESEM
|
Code
|
Ød
|
ØD
|
|
DPNN100
|
100
|
135
|
| DPNN125 | 125 | 165 |
| DPNN160 | 160 | 205 |
Acoustic pressure level LA (dB (A))
|
Code
|
Average frequency, Hz
|
||||||
| 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | |
| DPNN100 | -6 | -2 | -3 | -5 | -8 | -9 | -15 |
| DPNN125 | 0 | 1 | -1 | -5 | -15 | -21 | -33 |
| DPNN160 | 3 | 2 | -1 | -6 | -15 | -23 | -36 |
|
tolerance
|
3 |
2
|
2 | 2 | 2 | 2 |
3
|
Sound attenuation, dB
|
Code
|
Average frequency, Hz
|
|||||||
| 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | |
| DPNN100 | 22 | 18 | 13 | 11 | 9 | 8 | 7 | 8 |
| DPNN125 | 20 | 16 | 11 | 9 | 9 | 7 | 6 | 5 |
| DPNN160 | 18 | 14 | 10 | 9 | 9 | 7 | 6 | 6 |
|
tolerance
|
6 | 3 | 2 | 2 | 2 | 2 | 2 | 3 |
Sound attenuation and pressure loss graph
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