Acraflow Acoustic Louvres - 100/100S Series
. Noise Reduction (dB) Hertz 125 250 500 1000 2000 4000 Series 100S 13 13 15 20 23 23 Series 100 14 14 16 21 27 27
Test Specimen nominal size 900W x 2400H Air Pressure Drop (APD) graphs are for standard blade spacing. For applications where APD is critical please consult Acran. All tests conducted in accordance with AS 1191-1976 Noise Reduction = Transmission Loss + 6dB (Across all frequencies) .
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