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Fan Identification
Model Number Code
The model number code is designed to completely identify the fan. The correct code letters must be
specified to designate the correct construction. The remainder of the model number is determined by
the size and performance.
Drive
B - Belt
D - Direct
Discharge Position
UB - Upblast
TAU - Top Angular Upblast
TH - Top Horizontal
TAD - Top Angular Downblast
DB - Downblast
BAD - Backward Angular Downblast
BH - Backward Horizontal
BAU - Backward Angular Upblast
Wheel Rotation
CW - Clockwise
CCW - Counterclockwise
Series (SWB Only)
100 - Galvanized Construction
200 - Permatector
TM
Coated
Steel Construction
300 - Galvanized and Permatector
Coated Steel Construction
Wheel Type
SW - Backward-Incline
SF - Forward-Curved
Fan Size
06 through 49
SW B - 1 10 - AF - 3 - CW - TH
AF - Airfoil Wheel
(backward inclined
wheel is standard)
Motor HP
4 = 1/4 15 = 1
1
⁄2 100 = 10
3 = 1/3 20 = 2 150 = 15
5 = 1/2 30 = 3 200 = 20
7 = 3/4 50 = 5 300 = 30
10 = 1 75 = 7
1
⁄2 400 = 40