25
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 = 30
(762)
Shaft Diameter = 1
1
⁄
2
(38)
Outlet Area = 5.72 ft
2
(0.531 m
2
)
Mounting Hole Size = 5/8
(16)
^Approximate Unit Weight = 940 lb.
(426 kg)
All dimensions in inches
(millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor
SFB-30 - 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
10000 1749
RPM
245
293
332
369
403
434
BHP
1.60
2.12
2.59
3.13
3.63
4.19
Sones
13.0
15.0
17.3
18.6
20
22
11525 2015
RPM
267
311
350
383
416
446
501
BHP
2.25
2.85
3.44
3.98
4.60
5.19
6.43
Sones
15.7
17.9
19.7
21
22
24
27
13050 2282
RPM
291
330
368
401
430
459
513
562
606
BHP
3.10
3.73
4.44
5.09
5.69
6.39
7.73
9.15
10.56
Sones
18.7
21
22
24
25
27
29
32
35
14575 2549
RPM
316
352
387
419
448
474
526
573
617
638
BHP
4.14
4.85
5.60
6.37
7.10
7.78
9.31
10.79
12.37
13.16
Sones
22
23
25
27
28
30
31
34
38
40
16100 2816
RPM
342
375
406
437
466
492
539
586
629
649
BHP
5.42
6.18
6.96
7.84
8.69
9.49
11.02
12.74
14.38
15.20
Sones
25
26
28
30
32
33
35
37
40
42
17625 3082
RPM
369
399
428
456
484
510
557
600
642
BHP
6.98
7.78
8.64
9.51
10.49
11.40
13.12
14.86
16.73
Sones
28
29
31
33
35
36
38
41
44
19150 3349
RPM
397
423
450
477
503
529
575
616
BHP
8.82
9.65
10.57
11.50
12.50
13.55
15.51
17.32
Sones
31
33
35
36
38
39
42
45
20675 3616
RPM
424
448
474
499
523
547
593
634
BHP
11.00
11.80
12.80
13.80
14.80
15.90
18.10
20.20
Sones
35
37
39
40
41
43
46
49
22200 3883
RPM
452
474
498
521
545
566
612
BHP
13.40
14.30
15.40
16.40
17.50
18.60
21.00
Sones
39
42
42
43
45
46
50
23725 4149
RPM
480
501
523
545
567
588
630
BHP
16.20
17.20
18.30
19.40
20.60
21.70
24.20
Sones
43
45
46
47
49
51
55
25250 4416
RPM
508
528
548
569
589
610
649
BHP
19.40
20.50
21.50
22.80
23.90
25.20
27.70
Sones
46
49
51
52
53
55
59
Do
n
o
t
se
le
c
t
to
t
h
e
l
e
ft
o
f
th
is
s
y
s
te
m
c
u
rv
e
cfm
53
3
⁄
4
(1365)
27
(686)
23
3
⁄
8
(594)
2
1
⁄
2
(64)
31
3
⁄
4
(806)
22
1
⁄
2
(572)
42
3
⁄
4
(1086)
48
1
⁄
4
(1226)
48
3
⁄
4
(1238)
36
7
⁄
8
(937)
1
1
⁄
2
(38)
38
3
⁄
8
(975)
41
1
⁄
8
(1045)
36
5
⁄
8
(930)
68
(1727)
31
3
⁄
8
(797)
21
(533)
Maximum BHP at given RPM = (RPM/239)
3
(Maximum KW at a given RPM = (RPM/263)
3
)
Maximum RPM = 650 and Minimum RPM = 175
Tip Speed (ft/min.) = RPM x 7.86
(Tip Speed (m/s) = RPM x 0.0399)
Maximum Motor Frame Size = 286T
SFB-30
