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Performance shown is for installation Type B: Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances in the airstream. The AMCA Certified Ratings
Seal applies to air performance ratings only.
Sound power level ratings are shown in decibels, referred to 10-12 watts calculated per AMCA Standard 301. Values shown are for inlet LwA sound power levels for 100%, 50% and
0% of peak pressure in Installation Type B: Free inlet, Ducted outlet. dBA sound pressure values are weighted with 11.5 dB attenuation for each octave band at 5 feet.
AX 47-160 6 Blades
70
70
72
71
70
70
68
66
71
Pitch Angle º
rpm 5 10 15 20 25 30 35
1770 (Bhp/kW)
0.21/0.16 0.37/0.27 0.51/0.38 0.65/0.49 0.82/0.61 1.03/0.77 1.31/0.98
1170 (Bhp/kW)
0.06/0.05 0.11/0.08 0.15/0.11 0.19/0.14 0.24/0.18 0.30/0.22 0.38/0.28
1450 (kW)
0.09 0.15 0.21 0.27 0.34 0.42 0.54
950 (kW)
0.02 0.04 0.06 0.08 0.09 0.12 0.15
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
1770 +9 -2.5
1170 - -11.5
1450 +5 -6.5
950 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 18.38 inches (467 mm)
Outlet Velocity
ft/min = cfm / 1.84
m/s = m
³
/s / 0.17
Tip Speed
ft/min = rpm X 4.81
m/s = rpm X 1.47
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m
³
Air density = 0.075 lbs/ft
³
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AX 47-160 6 Blades