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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-118 - Belt Drive
Series 100
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 (817)
34 (864)
22
(559)
14
1
⁄8
(359)
19
1
⁄4
(489)
13
3
⁄4
(350)
2
(51)
Wheel Diameter = 18
1
⁄2 (470)
Shaft Diameter = 1 (25)
Outlet Area = 1.87 ft
2
(0.17 m
2
)
^Approximate Unit Weight = 312 lb. (142 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
0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5
1500 802
RPM 545 667
BHP 0.11 0.19
Sones 5.6 6.6
1900 1016
RPM 628 728 826
BHP 0.16 0.25 0.36
Sones 6.5 7.2 7.8
2300 1230
RPM 717 806 887 969 1044
BHP 0.24 0.34 0.45 0.58 0.71
Sones 7.7 8.2 8.9 9.9 11.2
2700 1444
RPM 808 892 964 1032 1102 1170 1233
BHP 0.34 0.46 0.59 0.71 0.86 1.01 1.17
Sones 9.1 9.8 10.5 11.4 12.5 13.3 14.3
3100 1658
RPM 902 980 1047 1109 1169 1229 1291 1349 1403
BHP 0.46 0.61 0.75 0.89 1.04 1.20 1.37 1.55 1.73
Sones 10.9 11.7 12.5 13.2 13.9 14.8 16.3 17.0 16.8
3500 1872
RPM 997 1070 1135 1191 1247 1301 1352 1407 1461 1513
BHP 0.62 0.78 0.95 1.11 1.27 1.43 1.60 1.79 1.99 2.19
Sones 13.1 14.1 14.6 15.2 15.8 17.0 17.9 17.5 17.8 18.4
3900 2086
RPM 1095 1162 1223 1279 1329 1379 1428 1475 1521 1572
BHP 0.82 1.00 1.18 1.36 1.54 1.72 1.90 2.08 2.27 2.49
Sones 15.5 16.3 16.9 17.6 18.7 18.4 18.5 18.8 19.2 19.7
4300 2299
RPM 1193 1256 1314 1367 1417 1462 1506 1552 1596 1638
BHP 1.06 1.25 1.45 1.65 1.85 2.04 2.24 2.44 2.64 2.85
Sones 17.6 18.6 19.7 19.8 20 20 20 20 21 21
4700 2513
RPM 1291 1351 1405 1457 1505 1550 1591 1631
BHP 1.34 1.55 1.77 1.98 2.20 2.42 2.63 2.85
Sones 20 21 21 21 22 22 23 23
5100 2727
RPM 1391 1447 1499 1548 1594 1638
BHP 1.67 1.90 2.13 2.37 2.60 2.84
Sones 22 23 23 23 24 25
5500 2941
RPM 1491 1544 1593 1640
BHP 2.05 2.31 2.55 2.80
Sones 24 25 25 25
Static Pressure (in. wg)
Volume (cfm X 100)
Volume (m
3
/hr x 100)
Static Pressure (Pa x 100)
0 20 40 60 80 100
0
1
2
3
4
5
6
7
8
9
0 13 26 39 52 65
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
545 545
770 770
995 995
1220 1220
1445 1445
1660 1660
3 3
2 2
1½ 1½
1 1
¾
¾
½
½
SWB-118
3
RPM
HP
Density 0.075 lb/ft
3
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
Maximum BHP at a given RPM = (RPM/1150)
3
(Maximum KW at a given RPM = (RPM/1268)
3
)
Maximum RPM = 1660
Tip Speed (ft/min.) = RPM x 4.78
(Tip Speed (m/s) = RPM x 0.0243)
Maximum Motor Frame Size = 213T
SWB-118