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SWB-327-AF
49
SWB-327-AF - Belt Drive
Series 300
Wheel Diameter = 27 (686)
Shaft Diameter = 1
11
⁄16 (43)
Outlet Area = 4.19 ft
2
(0.389 m
2
)
^Approximate Unit Weight = 877 lb. (399 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood
Maximum BHP at a given RPM = (RPM/671)
3
(Maximum KW at a given RPM = (RPM/740)
3
)
Maximum RPM = 1450
Tip Speed (ft/min.) = RPM x 7.07
(Tip Speed (m/s) = RPM x 0.0359)
Maximum Motor Frame Size = 256T
61
3
⁄4
(1568)
28
1
⁄2 (724)
35
3
⁄4 (908)
3
1
⁄2
(89)
28
3
⁄4
(730)
33
(838)
28
5
⁄8
(727)
46
1
⁄4
(1175)
50
7
⁄8
(1292)
33 (838)
48
1
⁄4 (1226)
52
7
⁄16 (1332)
30
(762)
21
7
⁄16
(545)
32
(813)
21
1
⁄4
(540)
4
3
⁄16
(106)
CFM OV
Static Pressure in Inches wg
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
6000 1431
RPM 664 755 833 906 975
BHP 0.86 1.38 1.90 2.44 3.01
Sones / LwiA 10 / 72 11.3 / 74 12.6 / 75 14 / 77 15.6 /79
6700 1599
RPM 719 804 881 946 1013 1075
BHP 1.07 1.63 2.21 2.80 3.41 4.04
Sones / LwiA 11.1 / 74 12.4 / 75 13.8 / 77 15.3 / 79 16.6 / 80 17.4 / 81
7400 1766
RPM 776 856 928 994 1052 1112 1169 1223
BHP 1.31 1.92 2.55 3.21 3.85 4.52 5.22 5.93
Sones / LwiA 12.6 / 76 13.7 / 77 15.3 / 79 16.8 / 80 17.4 / 81 18.2 / 82 19 / 82 19.9 / 83
8100 1933
RPM 834 908 977 1041 1100 1152 1208 1260 1310
BHP 1.59 2.24 2.93 3.64 4.35 5.05 5.79 6.54 7.32
Sones / LwiA 14.2 / 77 15.4 / 79 16.8 / 80 17.7 / 81 18.4 / 82 19.1 / 82 19.8 / 83 21 / 84 22 / 85
8800 2100
RPM 893 963 1028 1089 1147 1200 1247 1299 1348 1395
BHP 1.91 2.61 3.35 4.11 4.88 5.65 6.41 7.21 8.03 8.86
Sones / LwiA 16.1 / 79 17.3 / 81 18.1 / 82 18.7 / 82 19.4 / 83 20 / 83 21 / 84 22 / 85 22 / 85 23 / 86
9500 2267
RPM 953 1019 1081 1139 1194 1247 1295 1340 1387 1433
BHP 2.28 3.03 3.82 4.62 5.45 6.29 7.12 7.94 8.79 9.66
Sones / LwiA 18.3 / 81 19.2 / 82 19.3 / 83 19.7 / 83 20 / 84 21 / 84 22 / 85 23 / 85 23 / 86 24 / 87
10200 2434
RPM 1013 1075 1134 1190 1243 1294 1343 1388 1429
BHP 2.70 3.51 4.33 5.19 6.07 6.95 7.86 8.75 9.63
Sones / LwiA 21 / 83 20 / 83 21 / 84 21 / 84 21 / 84 22 / 85 23 / 86 24 / 86 25 / 87
10900 2601
RPM 1074 1133 1189 1242 1293 1342 1390 1435
BHP 3.17 4.03 4.91 5.81 6.73 7.68 8.62 9.59
Sones / LwiA 22 / 84 22 / 84 22 / 85 22 / 85 23 / 85 23 / 86 24 / 86 25 / 87
11600 2768
RPM 1136 1192 1245 1296 1345 1392 1438
BHP 3.70 4.61 5.54 6.49 7.46 8.46 9.46
Sones / LwiA 23 / 85 23 / 85 23 / 86 23 / 86 24 / 86 25 / 87 25 / 87
12300 2935
RPM 1198 1251 1301 1351 1398 1443
BHP 4.30 5.26 6.24 7.23 8.25 9.29
Sones / LwiA 24 / 86 24 / 87 25 / 87 25 / 87 25 / 87 26 / 87
13000 3102
RPM 1260 1311 1358 1406
BHP 4.96 5.96 7.00 8.04
Sones / LwiA 26 / 87 26 / 88 26 / 88 26 / 88
D
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Static Pressure (in. wg)
Volume (cfm X 1000)
Volume (m
3
/hr x 1000)
Static Pressure (Pa x 100)
0 5 10 15 20 25
0
2
4
6
8
10
12
14
0 2 4 6 8 10 12 14 16
0
1
2
3
4
5
6
610 610
671 671
768 768
845 845
968 968
1147 1147
1313 1313
1450 1450
15 15
10 10
7½ 7½
5 5
3 3
2 2
1½ 1½
1 1
¾¾
SWB-327-AF
RPM
HP
Density 0.075 lb/ft
3
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 sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.