Greenheck AX User manual

Greenheck Product Category
Models
Descriptor or Bullets
Month
YEAR
July
2004
High Performance Axial Fans
Model AX
Performance Supplement

Greenheck certifies that the
Model AX fan shown herein
are licensed to bear the AMCA
seal. The ratings shown are
based on tests and procedures
performed in accordance with
AMCA publication 211 and
comply with the requirements
of the AMCA Certified Ratings
Program.
Performance information is for the model AX standard
configuration. Optional configurations include; upblast
design with butterfly dampers and curb cap, detachable air
straightening vane section, and shortened case. These options
can effect performance. For estimated pressure drops on these
accessories, consult your local Greenheck representative.
AX Short CasingAX Vane SectionAX Upblast
Hubs and Blades
The AX blade shape and hub are designed to move high
volumes of air with less power to save on long-term energy
costs.
The choice of five different hub diameters, along with variations
in blade quantities, ensures that the most economical air
performance can be achieved. In addition, during the design
process, close attention was paid to the “hub to tip” ratios.
This is a comparison of the hub diameter to the “tip to tip”
dimension of the blades. Different choices of hub to tip ratios
further optimize fan performance and provide a cost effective
solution by not over sizing a hub to produce required volumes
and pressures.
The hubs are
constructed from
cast aluminum and
use a taper lock
bushing to secure
the hub to the
motor shaft.
Available Hub Sizes (mm) / Number of Blades
Size
160 190 275 400 533
(4 or 6 ) (4 or 6) (6 or 9) (6 or 9) (8 or 12)
31 X
36 X
41 X X
47 X X
54 X X X
63 X X X
72 X X
80 X X X
90 X X
103 X X
113 X X X
123 X X
140 X X
160 X X
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High Performance Axial Fans

The performance pages contains information in metric and english units. These are color coded with motor
power frequency and motor speed for easy and quick reference in finding air performance, power requirements,
and sound information. See back cover for selection example.
Model size and hub
diameter
Total Pressure Axis
in Pascals (Pa) and
Inches Water Gauge
(in. wg)
Static Pressure
- Lines of constant
static pressure
Color coded power
frequency and motor
speed (rpm)/poles
Volume - Axis
displays two different
units of measure
for each power
frequency and motor
speed.
Blade pitch -
Shown in 5 degree
increments, integral
pitches are available
between the
displayed limits.
Sound power (LwA)
- Color coded sound
power level levels
are displayed as
a percentage of
peak power; 100%,
50% and 0%. Use
corrections in the
sound power table to
find corresponding
LwA and dBA levels
for a specific power
frequency and motor speed.
Total Efficiency curves - Curves show total efficiency levels at different performance points. Those curves
do not reflect static efficiency levels.
Peak Absorbed Power table - Table displays the maximum power required by pitch angle and motor rpm.
Values provided are in brake horse power and kilowatts.
Sound Power and Sound Pressure table - Table displays the corrections required by motor rpm.
Outlet Velocity and Tip Speed formulas - For deriving outlet velocity, use either cfm or m³/s in the
appropriate Outlet Velocity equation. Tip speed equation is only dependent on motor rpm.
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rebmuNegaPdraobpilC
AX 31-160 4 Blades
rellepmI Diameter = 12.25 in. 311 mm
Outlet Velocity ft/min = cfm / 0.82
m/s = m³/s / 0.08
Tip Speed ft/min = rpm X 3.20
m/s = rpm X 0.98
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
Air density = 1.2 kg/m3
Air density = 0.075 lbs/ft3
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.19/0.14 0.30/0.22 0.43/0.32 0.56/0.42 0.71/0.53 0.88/0.66 1.07/0.80
1770 (Bhp/kW) 0.03/0.02 0.04/0.03 0.06/0.04 0.07/0.05 0.09/0.07 0.11/0.09 0.14/0.10
2900 (kW) 0.08 0.13 0.18 0.24 0.30 0.37 0.45
1450 (kW) 0.01 0.02 0.02 0.03 0.04 0.05 0.06
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
rpm LwA dBA
3500 +20 +8.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
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AX 31-160 4 Blades
Air density = 1.2 kg/m3
Air density = 0.075 lbs/ft3
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.19/0.14 0.30/0.22 0.43/0.32 0.56/0.42 0.71/0.53 0.88/0.66 1.07/0.80
1770 (Bhp/kW) 0.03/0.02 0.04/0.03 0.06/0.04 0.07/0.05 0.09/0.07 0.11/0.09 0.14/0.10
2900 (kW) 0.08 0.13 0.18 0.24 0.30 0.37 0.45
1450 (kW) 0.01 0.02 0.02 0.03 0.04 0.05 0.06
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
rpm LwA dBA
3500 +20 +8.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 12.25 inches (311 mm)
Outlet Velocity ft/min = cfm / 0.82
m/s = m³/s / 0.08
Tip Speed ft/min = rpm X 3.20
m/s = rpm X 0.98
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.
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.19/0.14 0.30/0.22 0.43/0.32 0.56/0.42 0.71/0.53 0.88/0.66 1.07/0.80
1770 (Bhp/kW) 0.03/0.02 0.04/0.03 0.06/0.04 0.07/0.05 0.09/0.07 0.11/0.09 0.14/0.10
2900 (kW) 0.08 0.13 0.18 0.24 0.30 0.37 0.45
1450 (kW) 0.01 0.02 0.02 0.03 0.04 0.05 0.06
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
rpm LwA dBA
3500 +20 +8.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 12.25 inches (311 mm)
Outlet Velocity ft/min = cfm / 0.82
m/s = m³/s / 0.08
Tip Speed ft/min = rpm X 3.20
m/s = rpm X 0.98
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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 31-160 4 Blades
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How to use this performance manual
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Performance Manual Guide
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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.
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.19/0.14 0.30/0.22 0.43/0.32 0.56/0.42 0.71/0.53 0.88/0.66 1.07/0.80
1770 (Bhp/kW) 0.03/0.02 0.04/0.03 0.06/0.04 0.07/0.05 0.09/0.07 0.11/0.09 0.14/0.10
2900 (kW) 0.08 0.13 0.18 0.24 0.30 0.37 0.45
1450 (kW) 0.01 0.02 0.02 0.03 0.04 0.05 0.06
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
rpm LwA dBA
3500 +20 +8.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 12.25 inches (311 mm)
Outlet Velocity ft/min = cfm / 0.82
m/s = m³/s / 0.08
Tip Speed ft/min = rpm X 3.20
m/s = rpm X 0.98
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65
69
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.
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AX 31-160 4 Blades

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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.
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.38/0.28 0.43/0.32 0.56/0.42 0.73/0.54 0.93/0.69 1.16/0.87 1.41/1.06
1770 (Bhp/kW) 0.05/0.04 0.06/0.04 0.07/0.05 0.09/0.07 0.12/0.09 0.15/0.11 0.18/0.11
2900 (kW) 0.16 0.18 0.24 0.31 0.39 0.49 0.60
1450 (kW) 0.02 0.02 0.03 0.04 0.05 0.06 0.08
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
rpm LwA dBA
3500 +20 +8.5
1770 - -11.5
2900 +14 +2.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 12.25 inches (311 mm)
Outlet Velocity ft/min = cfm / 0.82
m/s = m³/s / 0.08
Tip Speed ft/min = rpm X 3.20
m/s = rpm X 0.98
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Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 31-160 6 Blades

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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.
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.42/0.31 0.61/0.46 0.87/0.65 1.18/0.88 1.52/1.13 1.89/1.41 2.31/1.72
1770 (Bhp/kW) 0.05/0.04 0.08/0.06 0.11/0.08 0.15/0.11 0.20/0.15 0.24/0.18 0.30/0.22
2900 (kW) 0.18 0.26 0.37 0.50 0.64 0.80 0.98
1450 (kW) 0.02 0.03 0.05 0.06 0.08 0.10 0.12
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +19 +7.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 14.25 inches (362 mm)
Outlet Velocity ft/min = cfm / 1.11
m/s = m³/s / 0.10
Tip Speed ft/min = rpm X 3.73
m/s = rpm X 1.14
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Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 36-160 4 Blades

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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.
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.72/0.54 0.94/0.70 1.25/0.93 1.64/1.22 2.07/1.55 2.54/1.89 3.00/2.24
1770 (Bhp/kW) 0.09/0.07 0.12/0.09 0.16/0.12 0.21/0.16 0.27/0.20 0.33/0.24 0.39/0.29
2900 (kW) 0.31 0.40 0.53 0.70 0.88 1.08 1.27
1450 (kW) 0.04 0.05 0.07 0.09 0.11 0.13 0.16
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +19 +7.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 14.25 inches (362 mm)
Outlet Velocity ft/min = cfm / 1.11
m/s = m³/s / 0.10
Tip Speed ft/min = rpm X 3.73
m/s = rpm X 1.14
AX 41-160 6 Blades
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Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 36-160 6 Blades

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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.
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Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.78/0.58 1.21/0.90 1.76/1.31 2.36/1.76 3.02/2.25 3.73/2.78 4.52/3.37
1770 (Bhp/kW) 0.10/0.08 0.16/0.12 0.23/0.17 0.31/0.23 0.39/0.29 0.48/0.36 0.58/0.44
2900 (kW) 0.33 0.51 0.74 1.00 1.28 1.58 1.92
1450 (kW) 0.04 0.06 0.09 0.13 0.16 0.20 0.24
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +18 +6.5
1770 - -11.5
2900 +12 +0.5
1450 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 16.25 inches (413 mm)
Outlet Velocity ft/min = cfm / 1.44
m/s = m³/s / 0.13
Tip Speed ft/min = rpm X 4.25
m/s = rpm X 1.30
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 41-160 4 Blades

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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 41-160 6 Blades
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Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 1.11/0.82 1.76/1.32 2.44/1.82 3.15/2.35 3.90/2.91 4.76/3.55 5.76/4.30
1770 (Bhp/kW) 0.14/0.11 0.23/0.17 0.32/0.24 0.41/0.30 0.51/0.38 0.62/0.46 0.75/0.56
2900 (kW) 0.47 0.75 1.04 1.34 1.66 2.02 2.44
1450 (kW) 0.06 0.09 0.13 0.17 0.21 0.25 0.31
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +16 +4.5
1770 - -11.5
2900 +12 +0.5
1450 -7 -18.5
Volume
Total
Pressure
Impeller Diameter = 16.25 inches (413 mm)
Outlet Velocity ft/min = cfm / 1.44
m/s = m³/s / 0.13
Tip Speed ft/min = rpm X 4.25
m/s = rpm X 1.30
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 41-160 6 Blades

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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.
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Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.80/0.60 1.24/0.92 1.79/1.34 2.43/1.81 3.11/2.32 3.81/2.84 4.55/3.40
1770 (Bhp/kW) 0.10/0.08 0.16/0.12 0.23/0.17 0.31/0.23 0.40/0.30 0.49/0.37 0.59/0.44
2900 (kW) 0.34 0.52 0.76 1.03 1.32 1.62 1.93
1450 (kW) 0.04 0.07 0.10 0.13 0.16 0.20 0.24
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +19 +7.5
1770 - -11.5
2900 +13 +1.5
1450 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 16.25 inches (413 mm)
Outlet Velocity ft/min = cfm / 1.44
m/s = m³/s / 0.13
Tip Speed ft/min = rpm X 4.25
m/s = rpm X 1.30
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 41-190 4 Blades

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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 41-190 6 Blades
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Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 1.09/0.81 1.59/1.18 2.23/1.67 3.00/2.24 3.84/2.87 4.71/3.51 5.58/4.16
1770 (Bhp/kW) 0.14/0.11 0.21/0.15 0.29/0.22 0.39/0.29 0.50/0.37 0.61/0.45 0.72/0.54
2900 (kW) 0.46 0.67 0.95 1.27 1.63 2.00 2.37
1450 (kW) 0.06 0.08 0.12 0.16 0.20 0.25 0.30
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +18 +6.5
1770 - -11.5
2900 +13 +1.5
1450 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 16.25 inches (413 mm)
Outlet Velocity ft/min = cfm / 1.44
m/s = m³/s / 0.13
Tip Speed ft/min = rpm X 4.25
m/s = rpm X 1.30
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
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AX 41-190 6 Blades

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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.
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Pitch Angle º
rpm 5 10 15 20 25 30 35
1770 (Bhp/kW) 0.17/0.12 0.26/0.20 0.37/0.28 0.49/0.36 0.62/0.47 0.79/0.59 1.01/0.75
1170 (Bhp/kW) 0.05/0.04 0.08/0.06 0.11/0.08 0.14/0.11 0.18/0.13 0.23/0.17 0.29/0.22
1450 (kW) 0.07 0.11 0.15 0.20 0.26 0.33 0.41
950 (kW) 0.02 0.03 0.04 0.06 0.07 0.09 0.12
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
1770 +11 -0.5
1170 - -11.5
1450 +6 -5.5
950 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 18.38 inches (467 mm)
Outlet Velocity ft/min = cfm / 1.84
m/s = m³/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/m³
Air density = 0.075 lbs/ft³
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AX 47-160 4 Blades

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13
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 = m³/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/m³
Air density = 0.075 lbs/ft³
13
AX 47-160 6 Blades

Page Header
14
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.
80
80
82
81
80
79
77
76
81
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 1.57/1.17 2.32/1.73 3.26/2.43 4.36/3.25 5.61/4.19 7.01/5.23 8.54/6.37
1770 (Bhp/kW) 0.20/0.15 0.30/0.22 0.42/0.31 0.56/0.42 0.73/0.54 0.91/0.68 1.10/0.82
2900 (kW) 0.67 0.98 1.38 1.85 2.38 2.97 3.62
1450 (kW) 0.08 0.12 0.17 0.23 0.30 0.37 0.45
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +19 +7.5
1770 - -11.5
2900 +13 +1.5
1450 -7 -18.5
Volume
Total
Pressure
Impeller Diameter = 18.38 inches (467 mm)
Outlet Velocity ft/min = cfm / 1.84
m/s = m³/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/m³
Air density = 0.075 lbs/ft³
14
AX 47-190 4 Blades

Page Header
15
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 47-190 6 Blades
79
77
83
81
80
80
77
75
82
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 2.04/1.52 2.94/2.19 4.11/3.06 5.48/4.09 7.04/5.25 8.71/6.49 10.4/7.78
1770 (Bhp/kW) 0.26/0.20 0.38/0.28 0.53/0.40 0.71/0.53 0.91/0.68 1.13/0.84 1.35/1.01
2900 (kW) 0.87 1.25 1.74 2.33 2.99 369 4.43
1450 (kW) 0.11 0.16 0.22 0.29 0.37 0.46 0.55
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +19 +7.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 18.38 inches (467 mm)
Outlet Velocity ft/min = cfm / 1.84
m/s = m³/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/m³
Air density = 0.075 lbs/ft³
15
AX 47-190 6 Blades

Page Header
16
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.
74
76
75
74
74
72
70
69
73
Pitch Angle º
rpm 5 10 15 20 25 30 35
1770 (Bhp/kW) 0.29/0.22 0.48/0.36 0.69/0.52 0.93/0.69 1.20/0.90 1.52/1.13 1.92/1.43
1170 (Bhp/kW) 0.08/0.06 0.14/0.10 0.20/0.15 0.27/0.20 0.35/0.26 0.44/0.33 0.55/0.41
1450 (kW) 0.12 0.20 0.28 0.38 0.49 0.62 0.79
950 (kW) 0.03 0.06 0.08 0.11 0.14 0.18 0.22
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
1770 +12 +0.5
1170 - -11.5
1450 +6 -5.5
950 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 21.38 inches (543 mm)
Outlet Velocity ft/min = cfm / 2.49
m/s = m³/s / 0.23
Tip Speed ft/min = rpm X 5.60
m/s = rpm X 1.71
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
16
AX 54-160 4 Blades

Page Header
17
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 54-160 6 Blades
75
75 77
76
75
74
72
70
76
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 0.40/0.30 0.64/0.48 0.93/0.69 1.25/0.94 1.62/1.21 2.04/1.52 2.52/1.88
1770 (Bhp/kW) 0.11/0.09 0.19/0.14 0.27/0.20 0.36/0.27 0.47/0.35 0.59/0.44 0.73/0.54
2900 (kW) 0.16 0.26 0.38 0.51 0.67 0.84 1.03
1450 (kW) 0.05 0.07 0.11 0.14 0.19 0.24 0.29
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +12 +0.5
1770 - -11.5
2900 +7 -4.5
1450 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 21.38 inches (543 mm)
Outlet Velocity ft/min = cfm / 2.49
m/s = m³/s / 0.23
Tip Speed ft/min = rpm X 5.60
m/s = rpm X 1.71
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
17
AX 54-160 6 Blades

Page Header
18
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.
84
85
87
86
85
83
82
80
84
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 2.57/1.91 4.08/3.05 6.01/4.48 8.23/6.14 10.7/7.99 13.5/10.1 16.5/12.3
1770 (Bhp/kW) 0.33/0.25 0.53/0.39 0.78/0.58 1.06/0.79 1.39/1.03 1.74/1.30 2.14/1.59
2900 (kW) 1.09 1.73 2.55 3.49 4.55 5.72 7.01
1450 (kW) 0.14 0.22 0.32 0.44 0.57 0.72 0.88
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +18 +6.5
1770 - -11.5
2900 +13 +1.5
1450 -6 -17.5
Volume
Total
Pressure
Impeller Diameter = 21.38 inches (543 mm)
Outlet Velocity ft/min = cfm / 2.49
m/s = m³/s / 0.23
Tip Speed ft/min = rpm X 5.60
m/s = rpm X 1.71
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
18
AX 54-190 4 Blades

Page Header
19
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 54-190 6 Blades
84
82
88
86
85
84
82
80
86
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 3.38/2.52 5.66/4.22 8.03/5.99 10.6/7.93 13.6/10.1 17.0/12.7 21.1/15.7
1770 (Bhp/kW) 0.44/0.33 0.73/0.55 1.04/0.78 1.37/1.03 1.75/1.31 2.20/1.64 2.73/2.03
2900 (kW) 1.43 2.40 3.41 4.51 5.75 7.20 8.94
1450 (kW) 0.18 0.30 0.43 0.56 0.72 0.90 1.12
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +18 +6.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 21.38 inches (543 mm)
Outlet Velocity ft/min = cfm / 2.49
m/s = m³/s / 0.23
Tip Speed ft/min = rpm X 5.60
m/s = rpm X 1.71
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
19
AX 54-190 6 Blades

Page Header
20
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.
88
88
88
86
85
85
82
81
88
Pitch Angle º
rpm 5 10 15 20 25 30 35
3500 (Bhp/kW) 3.02/2.26 5.30/3.96 7.73/5.77 10.4/7.75 13.4/10.0 16.9/12.6 21.0/15.7
1770 (Bhp/kW) 0.39/0.29 0.69/0.51 1.00/0.75 1.34/1.00 1.74/1.29 2.19/1.63 2.72/2.03
2900 (kW) 1.28 2.25 3.28 4.41 5.69 7.18 8.92
1450 (kW) 0.16 0.28 0.41 0.55 0.71 0.90 1.12
Peak Absorbed Power [Bhp/kW (60 Hz), kW (50 Hz)]
Inlet Sound
rpm LwA dBA
3500 +18 +6.5
1770 - -11.5
2900 +13 +1.5
1450 -5 -16.5
Volume
Total
Pressure
Impeller Diameter = 21.38 inches (543 mm)
Outlet Velocity ft/min = cfm / 2.49
m/s = m³/s / 0.23
Tip Speed ft/min = rpm X 5.60
m/s = rpm X 1.71
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Air density = 1.2 kg/m³
Air density = 0.075 lbs/ft³
20
AX 54-275 6 Blades