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SINGLE/DUAL DIRECT DRIVE PLENUM FAN WHEEL
TO INLET CONE DIMENSIONS (INCHES)
WHEEL
A
B
SIZE
MIN / MAX
MIN
105
3.34 / 3.53
0.06
122
3.91 / 4.10
0.07
135
4.33 / 4.52
0.07
150
4.79 / 4.98
0.09
165
5.26 / 5.45
0.11
182
5.82 / 6.01
0.11
200
6.50 / 6.69
0.12
222
7.06 / 7.38
0.14
245
7.76 / 7.94
0.17
270
8.54 / 8.73
0.20
300
9.53 / 9.72
0.24
330
10.45 / 10.64
0.26
365
11.61 / 11.80
0.27
402
12.84 / 13.02
0.31
4/6 FAN ARRAY DIRECT DRIVE PLENUM FAN WHEEL
TO INLET CONE DIMENSIONS (INCHES)
WHEEL
A
B
SIZE
MIN / MAX
MIN
182
5.82 / 5.92
0.11
200
6.50 / 6.67
0.12
222
7.065 / 7.25
0.14
245
7.755 / 7.85
0.17
LEGEND
— Assembled dimension, measured axially from wheel back plate
A
to inlet cone
— Assembled dimension, measured radially from inlet cone to
B
wheel
C
— Wheel dimension, 100% bladewidth
D
— Wheel dimension, measured axially on front plate
E
— Inlet cone dimension, measured axially
— Assembled dimension, measured axially from inlet cone to wheel
F
front plate
CROSS SECTION
Fig. 15 — Plenum Fan Assemblies with NEMA Motors- Fan Wheel to Inlet Cone Dimensions
C
D
E
(+/- 0.005)
(+/- 0.03)
(+/- 0.03)
3.270
0.38
3.68
3.810
0.41
4.27
4.200
0.44
4.69
4.670
0.50
5.19
5.140
0.56
5.75
5.680
0.64
6.38
6.230
0.71
6.97
6.930
0.76
7.81
7.630
0.81
8.59
8.400
0.89
9.42
9.340
1.00
10.47
10.270
1.12
11.53
11.360
1.25
12.88
12.520
1.38
14.19
C
D
E
(+/- 0.005)
(+/- 0.03)
(+/- 0.03)
5.680
0.64
6.38
6.230
0.71
6.97
6.930
0.76
7.81
7.630
0.81
8.59
INLET CONE
FAN
F
WHEEL
A
MIN / MAX
10
3.50
0.12 / 0.29
12
4.50
0.12 / 0.32
13
5.00
0.12 / 0.35
15
5.50
0.19 / 0.41
16
6.50
0.25 / 0.47
18
7.00
0.31 / 0.50
20
7.44
0.38 / 0.57
22
8.25
0.44 / 0.63
24
9.31
0.50 / 0.69
27
10.19
0.56 / 0.76
30
11.25
0.62 / 0.88
33
12.25
0.75 / 0.10
36
13.38
0.81 / 1.13
40
14.81
0.88 / 1.26
44
16.25
49
17.94
DIRECT DRIVE PLENUM FANS WITH NEMA T FRAME MOTORS- FAN
F
MIN / MAX
Wheel
Array
0.31 / 0.50
Size
Size
0.38 / 0.57
0.44 / 0.63
105
1/2
0.50 / 0.69
122
1/2
3.91 - 4.10
135
1/2
4.33 - 4.52
150
1/2
4.79 - 4.98
165
1/2
5.26 - 5.45
182
1/2
5.82 - 6.01
182
4/6
5.82 - 5.92
200
1/2
6.50 - 6.69
200
4/6
6.50 - 6.67
222
1/2
7.06 - 7.38
245
4/6
7.755 - 7.85
245
1/2
7.76 - 7.94
270
1/2
8.54 - 8.73
300
1/2
9.53 - 9.72
330
1/2
10.45 - 10.64 0.26
365
1/2
11.61 - 11.80 0.27
402
1/2
12.84 - 13.02 0.31
FAN WHEEL CROSS SECTION
FAN BLADE
33
BELT DRIVEN PLENUM FAN
DIMENSION (in.)
B
C
D
0.25
3.25
0.31
0.13
4.25
0.38
0.13
4.75
0.44
0.13
5.25
0.50
0.13
6.13
0.56
0.13
6.69
0.56
0.13
7.13
0.69
0.13
7.88
0.75
0.13
8.88
0.81
0.13
9.75
0.88
0.13
10.75
1.00
0.13
11.63
1.06
0.13
12.75
1.19
0.19
14.13
1.31
0.19
15.50
1.44
0.19
17.13
1.63
WHEEL TO INLET CONE
A
B
C (+/-
D (+/-
Min.
0.005)
0.03)
DIMENSIONS (in.)
3.34 -3.53
0.06
3.270
0.38
0.07
3.810
0.41
0.07
4.200
0.44
0.09
4.670
0.50
0.11
5.140
0.56
0.11
5.680
0.64
0.11
5.680
0.64
0.12
6.230
0.71
0.12
6.230
0.71
0.14
6.930
0.76
0.17
7.630
0.81
0.17
7.630
0.81
0.2
8.400
0.89
0.24
9.340
1.00
10.270
1.12
11.360
1.25
12.520
1.38
a39-4480
E
F
3.56
0.06
3.88
0.13
3.88
0.19
4.00
0.25
4.66
0.19
5.31
0.25
6.00
0.38
6.69
0.38
7.19
0.38
7.94
0.44
8.94
0.50
9.94
0.44
11.19
0.56
12.38
0.63
13.75
0.69
15.13
0.81
E (+/-
F
0.03)
3.68
0.12 - 0.29
4.27
0.12 - 0.32
4.69
0.12 - 0.35
5.19
0.19 - 0.41
5.75
0.25 - 0.47
6.38
0.31 - 0.50
6.38
0.31 - 0.50
6.97
0.38 - 0.57
6.97
0.38 - 0.57
7.81
0.44 - 0.63
8.59
0.50 - 0.69
8.59
0.50 - 0.69
9.42
0.56 - 0.76
10.47
0.62 - 0.88
11.53
0.75 - 1.00
12.88
0.81 - 1.13
14.19
0.88 - 1.26
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