28
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.
SWB-108 - Belt Drive
Series 100
Wheel Diameter = 11
1
⁄
8
(283)
Shaft Diameter = 3/4
(19)
Outlet Area = 0.76 ft
2
(0.07 m
2
)
^Approximate Unit Weight = 135 lb.
(61 kg)
All dimensions in inches
(millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor
26
5
⁄
8
(676)
12
(305)
16
7
⁄
8
(429)
1
1
⁄
2
(38)
11
1
⁄
2
(292)
15
1
⁄
8
(384)
11
1
⁄
4
(286)
18
3
⁄
4
(476)
22
1
⁄
4
(565)
16 (
406)
21
7
⁄
8
(556)
23
1
⁄
2
(597)
15
1
⁄
2
(394)
9
3
⁄
4
(248)
11
(279)
8
5
⁄
8
(219)
2
(51)
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
200
263
RPM
860
1148
BHP
0.02
0.04
Sones
5.5
6.8
300
395
RPM
982
1235
1443
1635
1805
BHP
0.03
0.05
0.09
0.12
0.16
Sones
6.6
7.0
7.7
8.7
9.6
400
526
RPM
1141
1357
1551
1719
1872
2025
2165
2296
2419
BHP
0.04
0.07
0.11
0.15
0.19
0.24
0.29
0.34
0.40
Sones
7.2
7.7
8.2
9.0
9.8
10.7
11.5
12.4
13.5
500
658
RPM
1317
1506
1675
1837
1983
2117
2241
2364
2487
2603
BHP
0.07
0.10
0.14
0.18
0.23
0.28
0.33
0.39
0.45
0.51
Sones
8.0
8.6
9.2
9.8
10.5
11.1
12.0
12.9
13.9
14.8
600
789
RPM
1504
1673
1825
1965
2105
2234
2356
2471
2579
2681
BHP
0.09
0.14
0.18
0.22
0.27
0.32
0.38
0.44
0.50
0.57
Sones
9.1
9.8
10.5
11.2
11.8
12.3
13.0
13.7
14.6
15.5
700
921
RPM
1699
1849
1989
2119
2242
2361
2478
2589
2695
2796
BHP
0.13
0.18
0.23
0.28
0.33
0.39
0.44
0.50
0.56
0.63
Sones
10.3
11.5
12.5
12.9
13.3
13.9
14.6
14.8
15.7
16.6
800
1053
RPM
1899
2035
2162
2282
2396
2507
2610
2715
BHP
0.18
0.23
0.29
0.34
0.40
0.46
0.52
0.59
Sones
12.1
13.3
13.9
14.5
15.0
15.6
16.2
17.0
900
1184
RPM
2102
2227
2344
2455
2561
2662
2763
BHP
0.24
0.30
0.37
0.43
0.49
0.54
0.61
Sones
13.9
14.7
15.5
16.2
16.8
17.4
18.1
1000
1316
RPM
2308
2423
2531
2634
2733
BHP
0.32
0.38
0.45
0.53
0.59
Sones
15.6
16.6
17.4
18.2
18.9
1100
1447
RPM
2517
2623
2723
BHP
0.41
0.48
0.55
Sones
18.7
18.7
19.7
1200
1579
RPM
2728
BHP
0.52
Sones
23
Static Pr
essur
e (in. wg)
Volume (cfm x 100)
Volume (m
3
/hr x 100)
Static Pr
essur
e (Pa x 100)
0
2
4
6
8
10
12
14
16
18
20
22
0
1
2
3
4
5
6
7
8
9
D
o
n
o
t
s
e
le
c
t
to
t
h
e
l
e
ft
o
f
th
is
s
y
s
te
m
c
u
rv
e
0
2
4
6
8
10
12
14
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
670
670
1100
1100
1525
1525
1950
1950
2375
2375
2800
2800
¾
¾
½
½
¼
¼
RPM
HP
Density 0.075 lb/ft
3
3
Maximum BHP at a given RPM = (RPM/3233)
3
(Maximum KW at a given RPM = (RPM/3564)
3
)
Maximum RPM = 2800
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)
Maximum Motor Frame Size = 145T
SWB-108