24
Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.
Wheel Diameter = 27
1
⁄
2
(699)
Shaft Diameter = 1
1
⁄
2
(38)
Outlet Area = 4.97 ft
2
(0.462 m
2
)
Mounting Hole Size = 5/8
(16)
^Approximate Unit Weight = 845 lb.
(383 kg)
All dimensions in inches
(millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor
SFB-27 - Belt Drive
CFM
OV
Static Pressure in Inches wg
0.25
0.5
0.75
1
1.25
1.5
2
2.5
3
3.25
8600
1729
RPM
245
297
345
388
427
462
BHP
1.29
1.72
2.17
2.61
3.07
3.56
Sones
11.1
12.5
15.1
16.7
18.2
20
9750
1961
RPM
264
310
355
397
434
470
BHP
1.75
2.21
2.71
3.23
3.73
4.26
Sones
13.1
14.6
17.0
18.4
19.7
21
10900 2192
RPM
284
327
368
407
444
477
540
BHP
2.31
2.84
3.38
3.94
4.51
5.05
6.24
Sones
15.1
16.7
18.9
20
21
23
26
12050 2423
RPM
305
344
381
419
454
487
547
603
652
BHP
3.02
3.58
4.14
4.78
5.39
6.03
7.28
8.58
9.95
Sones
17.3
19.2
21
22
23
25
27
30
34
13200 2655
RPM
327
363
398
432
465
497
556
610
660
683
BHP
3.85
4.46
5.09
5.73
6.41
7.09
8.45
9.86
11.28
12.04
Sones
19.8
22
23
24
25
27
29
32
35
37
14350 2886
RPM
349
382
415
447
478
508
566
618
668
691
BHP
4.83
5.47
6.16
6.83
7.57
8.30
9.80
11.22
12.80
13.58
Sones
22
24
25
26
28
29
31
33
37
39
15500 3117
RPM
372
403
434
464
491
521
576
628
676
699
BHP
5.97
6.64
7.40
8.14
8.84
9.68
11.25
12.88
14.41
15.28
Sones
25
26
27
28
30
32
34
36
39
40
16650 3349
RPM
395
424
453
481
508
535
588
638
685
BHP
7.27
8.02
8.80
9.60
10.38
11.17
12.90
14.64
16.36
Sones
27
28
29
31
33
34
36
39
41
17800 3580
RPM
418
446
472
499
525
550
601
648
695
BHP
8.76
9.59
10.37
11.24
12.10
12.92
14.74
16.49
18.42
Sones
29
31
32
34
35
36
39
41
44
18950 3811
RPM
441
468
492
518
543
567
614
661
BHP
10.40
11.30
12.10
13.10
14.00
14.90
16.70
18.70
Sones
32
34
35
37
38
39
41
44
20100 4043
RPM
465
490
514
538
561
585
629
674
BHP
12.40
13.30
14.20
15.10
16.10
17.10
18.90
21.00
Sones
34
37
39
39
40
41
44
47
Do
n
ot
s
el
e
c
t
to
t
h
e
l
e
ft
o
f
th
is
s
y
s
te
m
c
u
rv
e
cfm
44
(1118)
34
1
⁄
2
(876)
3
5
⁄
8
(92)
35
1
⁄
8
(892)
37
5
⁄
8
(956)
33
(838)
61
1
⁄
8
(1553)
28
1
⁄
8
(714)
19
(483)
49
1
⁄
8
(1248)
27
(686)
21
3
⁄
8
(543)
2
1
⁄
2
(64)
28
1
⁄
2
(724)
22
1
⁄
4
(565)
40
1
⁄
2
(1029)
46
(1168)
Maximum BHP at given RPM = (RPM/285)
3
(Maximum KW at a given RPM = (RPM/314)
3
)
Maximum RPM = 700 and Minimum RPM = 200
Tip Speed (ft/min.) = RPM x 7.20
(Tip Speed (m/s) = RPM x 0.0366)
Maximum Motor Frame Size = 286T
SFB-27
