PENNBARRY
18
BLL 24 - Belt Drive Fan Data
Breezeway
28
28
3
3
25
16
HP RPM
TIP
SPEED
(FPM)
FAN CAPACITY - CUBIC FEET PER MINUTE (CFM)
0.000" SP 0.100" SP 0.125" SP 0.150" SP 0.200" SP 0.250" SP 0.300" SP 0.375" SP 0.500" SP
Sones BHP Sones BHP Sones BHP Sones BHP Sones BHP Sones BHP Sones BHP Sones BHP Sones BHP
1/4
470 2953
3043 1541
6.3 0.07 6.3 0.08
530 3330
3431 2313 1786
7.8 0.11 7.5 0.11 7.7 0.11
570 3581
3690 2762 2312 1814
8.9 0.13 8.7 0.14 8.7 0.14 8.9 0.14
630 3958
4078 3345 3009 2601
10.7 0.18 10.7 0.19 10.7 0.19 10.9 0.19
690 4335
4467 3837 3620 3295 2527
14.0 0.23 13.4 0.24 13.3 0.25 13.2 0.25 13.5 0.25
720 4524
4661 4078 3870 3618 2912
14.9 0.26 14.0 0.28 13.9 0.28 13.8 0.28 13.9 0.28
737 4631
4771 4209 4010 3798 3120 2353
15.5 0.28 14.4 0.30 14.3 0.30 14.2 0.30 14.2 0.30 14.7 0.30
1/3
750 4712
4855 4307 4116 3916 3277 2532
16.0 0.30 14.8 0.31 14.6 0.31 14.6 0.32 14.5 0.32 15.0 0.32
770 4838
4985 4457 4278 4084 3510 2806
16.4 0.32 15.3 0.34 15.1 0.34 15.1 0.34 15.0 0.34 15.4 0.34
792 4976
5127 4620 4456 4266 3753 3095
16.9 0.35 15.9 0.36 15.7 0.37 15.6 0.37 15.6 0.37 15.9 0.37
1/2
800 5027
5179 4678 4520 4332 3840 3194 2502
17.1 0.36 16.1 0.37 15.9 0.38 15.8 0.38 15.8 0.39 16.1 0.38 16.6 0.39
825 5184
5341 4855 4714 4537 4110 3500 2821
18.0 0.40 16.9 0.41 16.7 0.41 16.5 0.42 16.5 0.42 16.7 0.42 17.2 0.42
850 5341
5503 5031 4901 4739 4375 3801 3161
19.6 0.43 18.3 0.45 17.9 0.45 17.5 0.46 17.3 0.46 17.4 0.46 17.8 0.46
875 5498
5665 5206 5088 4940 4598 4081 3482
21 0.47 19.5 0.49 19.1 0.49 18.7 0.50 18.1 0.50 17.9 0.51 18.2 0.50
900 5655
5827 5381 5270 5136 4806 4354 3789 2855
22 0.51 20 0.53 19.9 0.53 19.6 0.54 19.0 0.54 18.7 0.55 18.8 0.55 19.4 0.55
912 5730
5904 5465 5355 5226 4906 4484 3934 3010
22 0.53 21 0.55 20 0.55 20 0.56 19.4 0.57 19.1 0.57 19.1 0.57 19.6 0.57
3/4
920 5781
5956 5520 5411 5286 4972 4570 4031 3121
22 0.55 21 0.56 21 0.57 20 0.57 19.7 0.58 19.4 0.59 19.4 0.59 19.7 0.59
945 5938
6118 5694 5587 5473 5177 4836 4321 3463
23 0.59 22 0.61 21 0.61 21 0.62 21 0.63 20 0.63 20 0.64 20 0.63
970 6095
6280 5866 5763 5659 5380 5071 4596 3791
23 0.64 22 0.66 22 0.66 21 0.67 21 0.68 21 0.68 21 0.69 21 0.68
995 6252
6442 6039 5938 5837 5581 5280 4868 4099
23 0.69 22 0.71 22 0.72 22 0.72 21 0.73 21 0.74 21 0.74 22 0.74
1020 6409
6604 6210 6112 6014 5781 5488 5136 4403
24 0.75 23 0.76 23 0.77 22 0.77 22 0.78 22 0.79 22 0.80 23 0.80
1048 6585
6785 6402 6306 6211 5996 5718 5432 4735 3405
25 0.81 24 0.83 24 0.83 24 0.84 23 0.85 23 0.86 23 0.86 24 0.87 24 0.87
1
1060 6660
6863 6484 6390 6295 6086 5816 5533 4869 3572
26 0.84 25 0.86 25 0.86 25 0.87 24 0.88 24 0.88 24 0.89 24 0.90 25 0.90
1090 6849
7057 6689 6597 6505 6311 6059 5784 5199 3982
29 0.91 28 0.93 27 0.94 27 0.94 26 0.95 25 0.96 25 0.97 25 0.98 26 0.97
1110 6974
7186 6825 6735 6644 6459 6221 5951 5416 4251
30 0.96 29 0.98 28 0.99 28 0.99 27 1.00 26 1.01 26 1.02 26 1.03 27 1.02
1124 7062
7277 6920 6831 6742 6563 6333 6066 5567 4426
31 1 29 1.02 29 1.02 29 1.03 28 1.04 27 1.05 27 1.06 27 1.07 27 1.07
Carbon Steel Panel = 16 gauge Wall Opening = 28 3/4 in.sq. Peak BHP = (RPM/941)^3
Galv. Steel Web = 12 gauge Wall Shutter ID = 28 in.sq. Max RPM = 1124 (1 HP)
Est. Shipping Weight = 95 lbs Max. Motor Frame Size = 56
AIR FLOW - CFM
STATIC PRESSURE - Inches W.G.
Performance shown is for installation Type A: Free Inlet, Free Outlet. Power rating (BHP) does not include drive losses. The sound ratings shown are for loudness values
in fan sones at 5'0" (1.5m) in a hemispherical free fi eld per AMCA standard 301. Values shown are for installation Type A: Free inlet fan sone levels. Performance ratings
do not include the effects of appurtenances in the airstream. For further information on sound classifi cation, see page 40. For accessories, see pages 3 thru 7.
0
1000 2000 3000
4000 5000 6000 7000
1/4 HP
3/4
HP
1/3 HP
1/2 HP
RPM
BHP
1 HP
737 RPM
792 RPM
912 RPM
1048 RPM
1124 RPM
0.400
0.500
0.600
0.700
0.800
0.900
1.000
1.100
1.200
1.300
1.400
1.500
0.000
0.200
0.300
0.100
Do not select shaded area.