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Propeller - Galvanized steel, riveted blades
(aluminum optional).
Bearings - Stamped steel pillow blocks up to size 36
and cast pillow blocks for size 42 and larger.
Panel/Drive frame - Galvanized steel with
one-piece drawn venturi, bolted structural steel
channels and one-piece motor/bearing plate (paint
optional).
Material Gauges
Shaft
Size
Max
Motor
Frame
Size
Approx.
Weight
(lbs.)
Fan
Size
Fan
Panel
Drive
Frame
Propeller
Hub Blade
L H L H
20 18 14 14 16 18
3
⁄4 56 60
24 18 14 14 16 18
3
⁄4 56 70
30 18 12 14 12 16
3
⁄4 56 95
36 18 12 14 12 16
3
⁄4 145T 110
42 16 12 12 11 14 1 145T 150
48 16 12 12 11 14 1 145T 175
54 16 12 12 11 14 1 145T 205
Approximate weight does not include accessories.
Fan
Size
A Panel** B C D E F
Damper
Size**
20 26 (660) 19
1
⁄2 (495) 16
1
⁄4 (413) 1 (25) 20
1
⁄2 (521) 20 (508) 22 (559)
24 32 (813) 19
1
⁄2 (495) 16
1
⁄8 (410) 1
1
⁄4 (32) 24
5
⁄8 (625) 20 (508) 26 (660)
30 38 (965) 22
1
⁄2 (572) 18
1
⁄4 (464) 1
1
⁄4 (32) 30
5
⁄8 (778) 21 (533) 32 (813)
36 44 (1118) 21
1
⁄2 (546) 16
1
⁄2 (419) 2 (51) 36
5
⁄8 (930) 23 (584) 38 (965)
42 50 (1270) 25 (635) 20 (508) 2 (51) 42
3
⁄4 (1086) 23 (584) 44 (1118)
48 56 (1422) 25 (635) 19 (483) 2 (51) 48
3
⁄4 (1238) 23 (584) 50 (1270)
54 62 (1575) 25 (635) 19
1
⁄2 (495) 2 (51) 55
1
⁄4 (1403) 24 (610) 56 (1422)
All dimensions given in inches (mm). **Square dimension.
Belt Drive - Level 1
Dimensional Data: Models SBE-1/SBS-1
All belt drive models are available in either exhaust (Model SBE-1) or supply (Model SBS-1) arrangements.
A
s
q
.
E
B
C
D
A
i
r
f
l
o
w
E
x
haust
F
D
A
i
r
f
l
o
w
S
uppl
y
Model SBE-1H exhaust shown