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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-212 - Belt Drive
Series 200
28
3
⁄8
(721)
12 (305)
16
7
⁄8 (429)
1
1
⁄2
(38)
13
1
⁄4
(337)
15
1
⁄8
(384)
13
(330)
21
3
⁄8
(543)
22
1
⁄4
(565)
16 (406)
21
3
⁄8 (543)
22
9
⁄10 (582)
15
1
⁄2
(394)
9
5
⁄8
(244)
13
(330)
9
3
⁄4
(248)
2
(51)
Wheel Diameter = 12
1
⁄4 (311)
Shaft Diameter = 1 (25)
Outlet Area = 0.85 ft
2
(0.08 m
2
)
^Approximate Unit Weight = 170 lb. (77 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
600 706
RPM 1022 1372
BHP 0.08 0.16
Sones 6.0 7.9
850 1000
RPM 1150 1447 1710 1941
BHP 0.11 0.21 0.33 0.45
Sones 7.2 8.5 10.4 12.7
1100 1294
RPM 1325 1561 1799 2005 2208 2392 2562 2719
BHP 0.17 0.28 0.42 0.56 0.71 0.87 1.03 1.20
Sones 8.7 9.8 11.4 13.6 15.2 16.5 17.8 19.0
1350 1588
RPM 1522 1728 1913 2113 2291 2457 2625 2783 2931 3071
BHP 0.25 0.38 0.52 0.68 0.85 1.03 1.21 1.40 1.59 1.79
Sones 10.5 11.7 13.2 14.9 16.0 17.2 18.5 19.8 21 23
1600 1882
RPM 1732 1905 2080 2233 2404 2564 2712 2851 2995 3135
BHP 0.36 0.51 0.67 0.84 1.02 1.21 1.41 1.62 1.83 2.05
Sones 12.8 14.0 15.7 16.5 17.4 18.4 19.5 21 22 23
1850 2176
RPM 1947 2104 2255 2403 2538 2679 2825 2962 3091
BHP 0.50 0.66 0.84 1.03 1.22 1.43 1.65 1.87 2.10
Sones 15.6 16.8 17.6 18.4 19.2 20 21 22 23
2100 2471
RPM 2177 2312 2443 2578 2708 2830 2944 3076
BHP 0.69 0.86 1.05 1.26 1.47 1.69 1.91 2.16
Sones 18.4 19.0 19.7 21 21 22 23 24
2350 2765
RPM 2409 2524 2646 2761 2883 3001 3112
BHP 0.92 1.10 1.31 1.53 1.76 2.00 2.24
Sones 21 21 22 23 24 25 26
2600 3059
RPM 2641 2739 2855 2962 3065
BHP 1.20 1.39 1.62 1.85 2.10
Sones 23 24 25 26 27
2850 3353
RPM 2874 2968 3067 3169
BHP 1.53 1.75 1.98 2.23
Sones 27 27 28 29
3100 3647
RPM 3108 3199
BHP 1.91 2.17
Sones 30 31
Static Pressure (in. wg)
Volume (cfm X 100)
Volume (m
3
/hr x 100)
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 10 20 30 40 50
0
2
4
6
8
10
12
14
0 5 10 15 20 25 30 35
0
1
2
3
4
5
6
700 700
1210 1210
1725 1725
2240 2240
2755 2755
3262 3262
2 2
1½ 1½
1 1
¾ ¾
½ ½
¼ ¼
SWB-212
RPM
HP
Density 0.075 lb/ft
3
3
Maximum BHP at a given RPM = (RPM/2372)
3
(Maximum KW at a given RPM = (RPM/2615)
3
)
Maximum RPM = 3262
Tip Speed (ft/min.) = RPM x 3.21
(Tip Speed (m/s) = RPM x 0.0163)
Maximum Motor Frame Size = 145T
SWB-212