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16
Panel/Drive frame - Galvanized steel with one-piece
drawn venturi, bolted structural steel channels and
motor plate (paint optional).
Propeller - Heavy duty, welded and gusseted painted
steel.
Motors - Heavy duty, permanently lubricated, ball
bearing type.
Material Gauges
Max.
Motor
Frame
Size
Approx.
Weight
(lbs.)
Fan
Size
Fan
Panel
Drive
Frame
Prop
Hub
Prop
Blade
16 18 14 14 16 56 40
18 18 14 14 16 56 45
20 18 12 14 16 145T 60
24 18 12 14 16 145T 85
30 16 12 12 16 184T 130
36 16 12 12 16 215T 230
42 14 10 11 14 254T 290
48 14 10 11 14 254T 375
54 14 10 10 14 256T 465
Approximate weight does not include accessories.
Fan
Size
A Panel** B* C* D E F*
Damper
Size**
16 22 (559) 13
1
⁄2 (343) 10
1
⁄4 (260) 1 (25) 16
3
⁄8 (416) 14 (356) 18 (457)
18 24 (610) 13
1
⁄2 (343) 10
1
⁄4 (260) 1 (25) 18
3
⁄8 (467) 14
1
⁄4 (362) 20 (508)
20 26 (660) 17
1
⁄4 (438) 13
1
⁄2 (343) 1 (25) 20
1
⁄2 (521) 18 (457) 22 (559)
24 32 (813) 20 (508) 13
1
⁄2 (343) 1
1
⁄4 (32) 24
5
⁄8 (625) 21 (533) 26 (660)
30 38 (965) 20
1
⁄2 (521) 16
3
⁄8 (416) 1
1
⁄4 (32) 30
5
⁄8 (778) 21
3
⁄4 (552) 32 (813)
36 44 (1118) 20
1
⁄2 (521) 16
3
⁄8 (416) 2 (51) 36
5
⁄8 (930) 28 (711) 38 (965)
42 50 (1270) 26 (660) 18
1
⁄4 (464) 2 (51) 42
5
⁄8 (1083) 28 (711) 44 (1118)
48 56 (1422) 26
5
⁄8 (676) 20
5
⁄8 (524) 2 (51) 49
1
⁄4 (1251) 28
1
⁄2 (724) 50 (1270)
54 62 (1575) 28 (711) 22
7
⁄16 (570) 2 (51) 55
3
⁄8 (1407) 30
1
⁄8 (765) 56 (1422)
* Varies with motor selection. All dimensions given in inches (mm). **Square dimension.
Direct Drive - Level 2
Dimensional Data: Models SE2/SS2
All direct drive models are available in either exhaust (Model SE2) or supply (Model SS2) arrangements.
E
F*
D
B*
C* D
A Sq.
Airflow
Exhaust
Airflow
Supply
Model SE2 exhaust shown