BPH_ESP (23/54)

BPH_ESPBPH_ESP BPH 450 WHEEL PERFORMANCE CURVE                                                                    volume flow rate V [m³/h] FAN SIZE "K" factor correction for spectrum noise of BPH Octave band (Hz) 63 125 250 500 1K 2K 4K 8K inlet -6 -5 -3 -4 -8 -11 -15 -20 BPH 450 outlet -3 -2 -1 -2 -4 -8 -11 -16 23