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Halton ULA - Supply and exhaust air valve

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Room Normal
Room temperature [°C]
0 50
Air Normal
Supply air temperature [°C]
8 60
Airflow [l/s]
10 33
Total pressure drop [Pa]
10 200
51020305010010203050100200Airflow [l/s]Total pressure drop [Pa]ULA/N-100(R)3691225303540Lp10A[dB]30
qv [l/s]Δptot [Pa]Air velocity [m/s]Opening [mm]Lp10A [dB]
18532.3630
Lp10A [dB] airNR Sound power level, Lw [dB] by octave band
63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
30 2541353733281853
Sound attenuation, ΔL [dB]
63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
2722181510131512