16
Wheel Diameter = 9
1
⁄
2
(241)
Shaft Diameter = 3/4
(19)
Outlet Area = 0.454 ft
2
(0.042 m
2
)
^Approximate Unit Weight = 120 lb.
(54 kg)
All dimensions in inches
(millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor
SFB-9 - Belt Drive
CFM
OV
Static Pressure in Inches wg
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.25
2.5
360
792
RPM
644
BHP
0.03
Sones
6.3
460
1013
RPM
681
891
BHP
0.05
0.08
Sones
6.8
11.0
560
1233
RPM
728
930
1090
1225
BHP
0.07
0.11
0.15
0.19
Sones
7.5
10.8
10.1
10.3
660
1453
RPM
780
966
1129
1264
1382
BHP
0.09
0.14
0.18
0.23
0.28
Sones
8.5
10.7
10.3
10.6
11.0
760
1674
RPM
838
1013
1166
1303
1422
1528
1628
BHP
0.13
0.18
0.23
0.28
0.34
0.39
0.44
Sones
9.8
10.6
10.7
11.0
11.8
13.2
14.5
860
1894
RPM
909
1064
1207
1340
1461
1568
1667
1758
1845
BHP
0.17
0.23
0.28
0.34
0.40
0.46
0.52
0.58
0.64
Sones
11.1
10.9
11.1
11.4
12.6
14.0
15.4
17.0
18.6
960
2114
RPM
983
1118
1256
1378
1498
1608
1706
1798
1883
1965
BHP
0.23
0.28
0.34
0.40
0.47
0.54
0.61
0.68
0.75
0.82
Sones
11.1
11.5
11.8
12.1
13.4
14.9
16.4
18.0
19.7
21
1060
2334
RPM
1059
1174
1306
1426
1534
1644
1745
1837
1923
BHP
0.30
0.35
0.42
0.49
0.55
0.63
0.71
0.78
0.86
Sones
12.0
12.2
12.6
13.2
14.3
15.8
17.5
19.1
21
1260
2775
RPM
1216
1318
1417
1528
1631
1728
1818
1911
1999
BHP
0.48
0.54
0.61
0.69
0.77
0.84
0.92
1.01
1.10
Sones
14.2
14.3
14.6
15.7
16.8
18.1
19.5
21
23
1360
2995
RPM
1297
1392
1482
1583
1682
1777
1866
1949
BHP
0.59
0.66
0.72
0.81
0.89
0.98
1.06
1.14
Sones
15.7
15.7
16.1
17.0
18.1
19.5
21
22
1460
3215
RPM
1378
1468
1554
1639
1736
1827
1915
1998
BHP
0.71
0.79
0.86
0.94
1.03
1.13
1.22
1.31
Sones
17.3
17.2
17.6
18.3
19.6
21
22
24
19
7
⁄
8
(505)
15
1
⁄
2
(394)
6
5
⁄
8
(168)
2
(51)
10
(254)
11
5
⁄
16
(287)
20
(508)
10
1
⁄
8
(257)
1
5
⁄
8
(41)
14
1
⁄
4
(362)
13
3
⁄
4
(349)
24
(610)
10
1
⁄
4
(260)
8
(203)
16
7
⁄
8
(429)
13
1
⁄
2
(343)
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
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.
Maximum BHP at given RPM = (RPM/1747)
3
(Maximum KW at a given RPM = (RPM/1926)
3
)
Maximum RPM = 2000 and Minimum RPM = 450
Tip Speed (ft/min.) = RPM x 2.49
(Tip Speed (m/s) = RPM x 0.0126)
Maximum Motor Frame Size = 145T
SFB-9