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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-218 - Belt Drive
Series 200
42
(1067)
17
7
⁄8 (454)
25 (635)
1
1
⁄2
(38)
19
5
⁄8
(498)
22
3
⁄8
(568)
19
3
⁄8
(492)
30
7
⁄8
(784)
33
1
⁄4
(845)
23
3
⁄8 (594)
32
1
⁄4 (819)
34 (864)
22
(559)
14
1
⁄8
(359)
19
1
⁄4
(489)
13
3
⁄4
(349)
2
(51)
Wheel Diameter = 18
1
⁄4 (464)
Shaft Diameter = 1
1
⁄4 (32)
Outlet Area = 1.87 ft
2
(0.17 m
2
)
^Approximate Unit Weight = 324 lb. (147 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 5
2000 1070
RPM 762 963 1136
BHP 0.26 0.49 0.75
Sones 10.1 11.3 13.4
2500 1337
RPM 862 1023 1185 1330 1459
BHP 0.37 0.62 0.92 1.24 1.58
Sones 10.1 11.6 13.0 15.2 17.9
3000 1604
RPM 974 1110 1245 1380 1507 1623 1730
BHP 0.52 0.80 1.12 1.47 1.85 2.24 2.65
Sones 11.5 12.6 13.9 15.5 18.3 21 24
3500 1872
RPM 1092 1211 1327 1443 1557 1672 1779 1878 1971 2060
BHP 0.72 1.03 1.36 1.74 2.15 2.58 3.02 3.48 3.95 4.43
Sones 13.6 14.2 15.2 16.8 19.1 22 25 27 29 31
4000 2139
RPM 1218 1322 1423 1525 1626 1727 1828 1927 2020 2108
BHP 0.97 1.32 1.68 2.07 2.51 2.95 3.43 3.93 4.44 4.96
Sones 15.7 16.4 17.3 18.7 21 23 25 27 29 32
4500 2406
RPM 1346 1438 1530 1619 1709 1800 1890 1979 2069
BHP 1.28 1.66 2.07 2.48 2.92 3.41 3.90 4.42 4.96
Sones 18.2 18.8 19.6 21 23 24 26 28 30
5000 2764
RPM 1475 1557 1643 1723 1804 1885 1967 2048
BHP 1.66 2.08 2.52 2.97 3.43 3.91 4.45 5.00
Sones 21 21 22 24 25 26 28 29
5500 2941
RPM 1605 1683 1758 1834 1907 1981 2055
BHP 2.10 2.58 3.04 3.54 4.03 4.54 5.07
Sones 24 24 25 26 27 28 30
6000 3209
RPM 1737 1810 1877 1949 2017 2084
BHP 2.63 3.15 3.65 4.18 4.72 5.25
Sones 27 28 28 29 30 31
6500 3476
RPM 1869 1938 2002 2065 2131
BHP 3.26 3.81 4.37 4.91 5.49
Sones 31 31 31 32 33
7000 3743
RPM 2003 2067 2128
BHP 3.98 4.57 5.18
Sones 34 35 35
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
0
2
4
6
8
10
12
14
0 1 2 3 4 5 6 7 8
0
1
2
3
4
5
6
555 555
870 870
1190 1190
1510 1510
1830 1830
2147 2147
5 5
3 3
2 2
1½ 1½
1 1
¾ ¾
½ ½
¼ ¼
SWB-218
RPM
HP
Density 0.075 lb/ft
3
3
Maximum BHP at a given RPM = (RPM/1196)
3
(Maximum KW at a given RPM = (RPM/1319)
3
)
Maximum RPM = 2147
Tip Speed (ft/min.) = RPM x 4.78
(Tip Speed (m/s) = RPM x 0.0243)
Maximum Motor Frame Size = 213T
SWB-218