Specification Sheet

344
PERFORMANCE DATA - HRSB BELT DRIVE
Performance shown is for Models HRSB and HRSD without inlet or outlet ducts.
Brake horsepower does not include drive losses.
The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free eld calculated
per AMCA Standard 301 @ free air. Values shown are installation Type A, free inlet fan sone levels.
Model
HRSB
CFM @ Static Pressure
HP RPM
No. of
Blades
Max
BHP
Sones
@ 5 ft.
0 1/8 1/4 3/8 1/2 5/8 3/4
24
4724 4043 2979 - - - - 1/3 930 3 .38 15
5444 4844 4022 3000 - - - 1/2 1060 4 .58 19
6171 5648 5049 4244 3315 - - 3/4 1215 3 .85 24
6781 6302 5841 5121 4374 3493 - 1 1335 3 1.13 28
7771 7354 6946 6467 5830 5189 4436 1 1/2 1530 3 1.70 34
8533 8153 7777 7412 6881 6298 5715 2 1680 4 2.25 41
30
7099 5557 3085 - - - - 1/3 660 3 .37 13
8194 6922 5008 - - - - 1/2 775 3 .58 16
9304 8246 6822 4979 - - - 3/4 865 3 .85 21
10310 9369 8175 6585 -
- - 1 950 3 1.15 24
11724 10915 9991 8841 7402 - - 1 1/2 1090 3 1.70 30
12908 12173 11373 10448 9266 7946 - 2 1200 3 2.27 36
14669 13780 12876 11851 10820 9824 8804 3 1370 3 3.44 45
36
9903 6558 - - - - - 1/3 495 3 .38 11
11381 8600 - - - - - 1/2 565 3 .58 14
12993 10696 7433 - - - - 3/4 645 3 .85 18
14302 12333 9637 - - - - 1 710 3 1.14 21
16417 14783 12589 10000 - - - 1 1/2 815 3 1.73 27
18029 16541 14686 12604 - - - 2 895 3 2.29 31
20647 19348 17959 16131 14300 11940 - 3 1025 3 3.44 39
42
14503 9169 - - -
- - 1/2 445 3 .58 13
16525 12079 - - - - - 3/4 510 3 .85 16
18251 14350 - - - - 1 560 3 1.15 19
20858 17815 13510 - - - - 1 1/2 640 3 1.72 24
22977 20268 16414 12245 - - - 2 705 3 2.30 35
26236 23863 20873 17540 13601 - - 3 805 3 3.43 46
48
19542 11487 - - - - - 3/4 405 3 .86 14
21742 14137 - - - - - 1 445 3 1.14 17
24493 17864 10164 - - - - 1 1/2 500 3 1.72 21
27161 22026 15327 - - - - 2 560 3 2.30 25
30881 26694 20675 15035 - - - 3 640 3 3.40 30
36671 33145 28874 23792 19200 - -
5 760 3 5.71 40
46322 38899 35818 31144 26982 23220 - 7 1/2 870 3 8.55 53
49979 43530 40739 37344 32782 29339 25924 10 960 3 11.49 64
54
29628 23717 14745 - - - - 2 465 3 2.09 23
33769 29093 22202 - - - - 3 530 3 3.10 28
39709 35990 31085 25359 - - - 5 630 3 4.99 37
45382 42128 38469 33640 28551 21662 - 7 1/2 720 3 7.47 47
50109 47162 44215 40031 35603 30935 - 10 795 3 10.07 58
60
30739 25920 - - - - - 2 390 3 2.02 20
35284 31586 23994 - - - - 3 450 3 3.05 26
41557 38758 34372 - - - - 5 530 3 4.99 35
47830 45398 42206 37327 29300 - -
7 1/2 610 3 7.59 44
52534 50320 47771 44348 38720 - - 10 670 3 10.07 52
UL Standard 705
MODELS HRSB & HRSD
HOODED PROPELLER ROOF SUPPLY FANS