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ONL 550х450
Color scheme
Beige RAL 1015 | Black RAL 9005 | Blue RAL 5005 | Brown RAL 8017 | Grey RAL 7001 | White RAL 9016 |
Products in this series (246)
Parameter | Value | Unit | |
---|---|---|---|
Material | Aluminum | ||
Form | Rectangular | ||
Adjustment | Non-regulated | ||
Air pass | 0.142 | m² | |
Connected air duct size | 550х450 | mm |
![ONL 550х450](/images/it/2373_schema.gif)
Sizes | L | H |
---|---|---|
mm | 550 | 450 |
Phohe
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Calculation formula | Correction factor K | ||||||||
---|---|---|---|---|---|---|---|---|---|
LWA = LWAO x K | Sap [m2] | 0.01 | 0.02 | 0.05 | 0.1 | 0.2 | 0.4 | ||
K [dB(A)] | -9 | -6 | -3 | 0 | +3 | +6 |
Designation:
ΔP - pressure loss [Pa];
LWA - sound power level [dB(A)];
LWAO - sound power level for air pass 0.1 m2 [dB(A)];
KL - correction factor for sound power level depending on air pass [dB(A)];
AK - air area [m2];
V - rated speed [m/s].
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