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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-220 - Belt Drive
Series 200
46
(1168)
19
3
⁄8 (492)
27
3
⁄8 (695)
1
1
⁄2
(38)
21
1
⁄2
(546)
24
1
⁄2
(622)
21
1
⁄8
(537)
33
5
⁄8
(854)
36
1
⁄8
(918)
25
5
⁄8 (651)
35 (889)
37 (940)
23
3
⁄4
(603)
15
3
⁄8
(390)
21
1
⁄8
(537)
14
7
⁄8
(378)
2
(51)
Wheel Diameter = 20 (508)
Shaft Diameter = 1
1
⁄4 (32)
Outlet Area = 2.23 ft
2
(0.21 m
2
)
^Approximate Unit Weight = 389 lb. (176 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 1 1.5 2 2.5 3 3.5 4 4.5 4.75
2000 897
RPM 647 860
BHP 0.25 0.51
Sones 8.7 11.5
2650 1188
RPM 731 897 1065 1206
BHP 0.36 0.65 1.00 1.39
Sones 9.2 11.2 13.4 15.9
3300 1480
RPM 836 970 1104 1243 1367 1480
BHP 0.53 0.85 1.21 1.64 2.10 2.58
Sones 10.6 12.1 13.5 15.8 19.0 22
3950 1771
RPM 951 1064 1177 1289 1405 1517 1621 1717 1807 1851
BHP 0.76 1.11 1.51 1.94 2.43 2.96 3.51 4.08 4.67 4.97
Sones 13.0 13.7 14.9 16.4 19.4 23 26 28 30 32
4600 2063
RPM 1072 1171 1267 1364 1461 1556 1658 1754 1845 1888
BHP 1.06 1.46 1.88 2.35 2.85 3.38 3.98 4.60 5.23 5.55
Sones 15.2 15.8 16.8 18.4 21 23 26 28 31 32
5250 2354
RPM 1198 1285 1370 1454 1539 1624 1708 1792 1882 1925
BHP 1.44 1.88 2.35 2.84 3.37 3.94 4.52 5.15 5.83 6.18
Sones 17.8 18.4 19.4 21 23 25 26 28 31 32
5900 2646
RPM 1325 1401 1481 1555 1630 1706 1781 1857 1932
BHP 1.90 2.40 2.92 3.45 4.00 4.58 5.23 5.87 6.52
Sones 21 21 22 24 25 26 28 30 32
6550 2937
RPM 1453 1525 1594 1664 1731 1799 1867 1935
BHP 2.47 3.04 3.59 4.18 4.76 5.37 6.01 6.70
Sones 24 25 25 26 27 29 30 32
7200 3229
RPM 1583 1650 1711 1777 1840 1900
BHP 3.15 3.78 4.37 5.01 5.66 6.30
Sones 28 28 28 29 30 32
7850 3520
RPM 1714 1776 1835 1892 1952
BHP 3.97 4.64 5.32 5.96 6.67
Sones 31 32 32 33 34
8500 3812
RPM 1846 1904 1960
BHP 4.92 5.63 6.38
Sones 36 36 37
Static Pressure (in. wg)
Volume (cfm X 1000)
Volume (m
3
/hr x 1000)
Static Pressure (Pa x 100)
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
2
4
6
8
10
12
14
0 2 4 6 8 10
0
1
2
3
4
5
6
507 507
795 795
1085 1085
1375 1375
1665 1665
1961 1961
7½ 7½
5 5
3 3
2 2
1½ 1½
1 1
¾ ¾
½ ½
¼ ¼
SWB-220
RPM
HP
Density 0.075 lb/ft
3
3
Maximum BHP at a given RPM = (RPM/1027)
3
(Maximum KW at a given RPM = (RPM/1132)
3
)
Maximum RPM = 1961
Tip Speed (ft/min.) = RPM x 5.23
(Tip Speed (m/s) = RPM x 0.0266)
Maximum Motor Frame Size = 215T
SWB-220