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SB-36 Belt Drive
Model Number
Motor
HP
Fan
RPM
Max
BHP *Sones
CFM / Static Pressure in Inches WG
0.00
0.10
0.125
0.15
0.20
0.25
0.30
0.375
0.50
0.625
0.75
1.00
Level 1 Performance
Max RPM L - 551 H - 694
Max Motor Frame Size - 56
TS = RPM x 7.854
SB-1L36-3
1/3
329
0.25
12.3
9491
6448
361
0.34
11.8 10415 7958
6849
384
0.41
11.8 11078 8915
8018
6662
SB-1H36-3
1/3
410
0.25
10.0
9011
6831
6112
450
0.33
11.1
9890
7967
7391
6725
481
0.41
12.1
10572
8812
8290
7743
SB-1L36-5
1/2
412
0.50
12.7 11886 9913
9250
8354
438
0.61
13.6 12636 10809 10290 9572
SB-1H36-5
1/2
521
0.52
13.5
11451 9845
9398
8912
7811
556
0.63
14.9
12220 10729
10328 9891
8958
SB-1L36-7
3/4
471
0.76
14.5 13588 11925 11442 10947 9408
500
0.90
15.3 14425 12890 12435 11981 10808 8915
SB-1H36-7
3/4
591
0.75
16.4
12989 11605 11223
10844 9985
9016
628
0.91
18.2
13802 12520 12156 11800
11035 10205 9228
SB-1L36-10
1
518
1.01
16.1 14944 13482 13044 12605 11569 10084
551
1.21
17.7 15896 14558 14146 13733 12908 11731 10007
SB-1H36-10
1
651
1.01
18.8 14308 13083 12731 12386 11668 10880 9995
694
1.23
20
15253 14135 13798 13468 12824 12111 11358 9875
Level 2 Performance
Max RPM L - 693 H - 870
Max Motor Frame Size - 184T
TS = RPM x 7.854
SB-2L36-10
1
518
1.01
16.1 14944 13482 13044 12605 11569 10084
550
1.21
17.6 15867 14525 14113 13699 12873 11682 9934
SB-2H36-10
1
651
1.01
18.8
14308 13083 12731 12386
11668 10880 9995
694
1.23
20
15253 14135 13798 13468
12824 12111 11358 9875
SB-2L36-15
1
1
⁄
2
593
1.51
20
17108 15909 15527 15144 14377 13512 12329
631
1.81
22
18204 17113 16759 16400 15680 14959 14025 12176
SB-2H36-15
1
1
⁄
2
744
1.50
23
16352 15358 15021 14714 14106
13486 12810 11706
792
1.80
27
17407 16519 16198 15894 15316
14753 14145 13170
SB-2L36-20
2
653
2.01
24
18839 17784 17467 17120 16424 15728 14942 13287
693
2.41
27
19993 18999 18744 18416 17762 17106 16450 15154
SB-2H36-20
2
821
2.02
30
18044 17217 16907 16601 16043 15496
14935 14011 12258
870
2.40
34
19121 18388 18096 17803 17259 16736
16223 15389 13871
Level 3 Performance
Max RPM L - 819 H - 1321
Max Motor Frame Size - 184T
TS = RPM x 7.854
SB-3L36-20
2
614
1.52
18.1 16901 15679 15294 14909 14075 13113 11866
675
2.02
20
18580 17464 17178 16828 16128 15335 14463 12727
716
2.41
22
19709 18646 18404 18098 17438 16759 15972 14576
SB-3H36-20
2
833
1.52
26
15014 14373 14212 14041 13682
13275 12740 11908 10095
915
2.04
30
16492 15908 15762 15616 15299 14972
14598 13867 12585 10735 8063
967
2.40
33
17429 16877 16739 16600 16313 16003 15694
15059 13876 12427 10502
SB-3L36-30
3
771
3.01
25
21223 20222 19997 19772 19169 18556 17898 16802 14296
819
3.60
28
22544 21590 21378 21166 20658 20081 19504 18511 16505
SB-3H36-30
3
1046
3.00
38
18853 18342 18215 18087 17831 17554 17268
16833 15767 14646 13192
1106
3.60
40
19935 19452 19331 19210 18968 18721 18450 18044
17147 16121 15045 11743
SB-3H36-50
5
1241
5.01
52
22368 21937 21830 21722 21507 21291 21076 20715 20113 19273 18372 16280
1321
6.00
59
23810 23405 23304 23203 23001 22799 22596 22277 21711 21077 20233 18473
CFM values shown
in black are the most
efficient selections.
Values shown in gray
are not recommended.
Performance certified is for Model SB for installation type A: free inlet, free outlet . Power rating (Bhp) does not include transmission losses . Performance ratings do not include
the effects of appurtenances (accessories) . The sound ratings shown are loudness values in fan sones at 5 ft (1 .5 m) in a hemispherical free field calculated per AMCA Standard 301 .
Values are for installation type A: free inlet hemispherical sone levels .
*Sones shown apply to the highest cataloged CFM in black type at each fan RPM. For selections at other CFM and static
pressure points,refer to CAPS, the Computer Aided Product Selection Program.
