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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-208 - Belt Drive
Series 200
Wheel Diameter = 11
1
⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.63 ft
2
(0.06 m
2
)
^Approximate Unit Weight = 140 lb. (64 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor
CFM OV
Static Pressure in Inches wg
0.5 0.75 1 1.5 2 2.5 3 3.5 4 4.5
250 397
RPM 1125 1343
BHP 0.04 0.06
Sones 7.0 8.0
370 587
RPM 1270 1451 1610 1909 2172
BHP 0.06 0.09 0.11 0.18 0.26
Sones 7.7 8.3 8.8 10.9 13.2
490 778
RPM 1445 1606 1753 2014 2240 2472 2681 2874
BHP 0.09 0.12 0.16 0.23 0.30 0.39 0.49 0.59
Sones 8.6 9.1 9.7 11.4 13.1 15.3 17.6 19.9
610 968
RPM 1640 1785 1918 2160 2378 2575 2755 2941 3121 3289
BHP 0.12 0.16 0.21 0.29 0.38 0.47 0.56 0.67 0.79 0.91
Sones 9.2 10.5 11.3 12.5 14.4 16.2 18.1 21 22 23
730 1159
RPM 1852 1980 2101 2323 2528 2715 2892 3056 3210 3357
BHP 0.18 0.22 0.27 0.37 0.47 0.57 0.68 0.79 0.90 1.01
Sones 11.2 12.4 12.9 13.8 14.8 17.8 19.9 22 22 23
850 1349
RPM 2076 2189 2298 2505 2693 2871 3039 3196 3348
BHP 0.24 0.29 0.34 0.45 0.57 0.69 0.81 0.93 1.06
Sones 13.5 14.1 14.6 15.6 16.5 17.6 18.6 22 23
970 1540
RPM 2310 2409 2507 2697 2874 3041 3198 3350
BHP 0.33 0.38 0.44 0.56 0.69 0.82 0.95 1.09
Sones 15.3 16.0 16.6 17.7 18.6 19.5 20 21
1090 1730
RPM 2548 2637 2725 2896 3065 3222
BHP 0.44 0.50 0.56 0.69 0.82 0.97
Sones 17.5 18.1 18.8 20 21 21
1210 1921
RPM 2790 2872 2951 3110 3263
BHP 0.57 0.63 0.70 0.84 0.98
Sones 19.9 21 21 22 23
1330 2111
RPM 3035 3111 3184 3329
BHP 0.73 0.80 0.87 1.02
Sones 22 23 24 25
1450 2302
RPM 3282 3352
BHP 0.91 0.99
Sones 26 25
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)
20
3
⁄8 (518)
22 (559)
15
1
⁄2
(394)
8
1
⁄4
(210)
11
(279)
8
5
⁄8
(219)
2
(51)
Static Pressure (in. wg)
Volume (cfm X 100)
Volume (m
3
/hr x 100)
Static Pressure (Pa x 100)
0
5 10 15 20 25
0
2
4
6
8
10
12
14
D
o
n
o
t
s
e
l
e
c
t
t
o
t
h
e
l
e
f
t
o
f
t
h
i
s
s
y
s
t
e
m
c
u
r
v
e
0 2 4 6 8 10 12 14 16
0
1
2
3
4
5
6
670 670
1210 1210
1750 1750
2290 2290
2830 2830
3370 3370
1½ 1½
¾ ¾
½ ½
¼ ¼
SWB-208
RPM
HP
Density 0.075 lb/ft
3
3
Maximum BHP at a given RPM = (RPM/3242)
3
(Maximum KW at a given RPM = (RPM/3574)
3
)
Maximum RPM = 3370
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)
Maximum Motor Frame Size = 145T
SWB-208