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Accoustic air valves Silent DPN
| 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 DPN
- for air supply or exhaust
- special construction of the valve ensures low level of noise
- damper adjustable air flow
- powder coated in RAL9016 colour
Brand: ESEM
|
Code
|
ØD
|
ØA
|
Hmax
|
|
DPN080
|
80
|
115
|
45
|
| DPN100 | 100 | 137 | 45 |
| DPN125 | 125 | 164 | 45 |
| DPN160 | 160 | 212 | 45 |
| DPN200 | 200 | 248 | 45 |
Parameters
Volumetric flow q (l/s or m3/h ), total pressure loss Pt (Pa), and acoustic pressure level LA (dB(A)), can be read from the figure below.
Acoustic pressure level, LA (dB(A))
↵
|
Code
|
Frequency, Hz | ||||||
| 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | |
| DPN080 | 6 | 3 | 2 | 1 | -4 | -16 | -20 |
| DPN100 | 4 | 3 | 2 | 0 | -7 | -15 | -30 |
| DPN125 | 2 | 7 | 3 | -2 | -10 | -20 | -32 |
| DPN160 | 5 | 7 | 3 | -2 | -10 | -19 | -32 |
| DPN200 | 8 | 6 | 4 | -3 | -10 | -19 | -32 |
| tolerance | 3 | 2 | 2 | 2 | 2 | 2 | 3 |
Sound attenuation, dB
↵
|
Code
|
Frequency, Hz | |||||||
| 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 | |
| DPN080 | 22 | 19 | 14 | 11 | 2 | 3 | 7 | 8 |
| DPN100 | 22 | 16 | 11 | 8 | 6 | 6 | 3 | 6 |
| DPN125 | 20 | 15 | 9 | 6 | 4 | 3 | 3 | 5 |
| DPN160 | 18 | 13 | 8 | 5 | 4 | 4 | 5 | 6 |
| DPN200 | 17 | 11 | 7 | 6 | 6 | 5 | 6 | 6 |
| tolerance | 6 | 3 | 2 | 2 | 2 | 2 | 2 | 3 |
Pressure loses and accoustic pressure figure
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