BPH_ESP (13/54)

BPH_ESPBPH_ESP BPH 250 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 -12 -10 -6 -7 -9 -12 -17 -22 BPH 250 outlet -10 -8 -4 -5 -7 -10 -13 -18 13