FAN
UNIT
WHEEL
SIZES
AF 101
03W,06W
06W
AF 121
08W,10W
07T, 09T
08W (THF, BHF, UB)
08W (DB)
10W
12W
AF 131
14W
07T, 09T, 11T, 12T, 16T
(THF, BHF)
07T, 09T, 11T, 12T, 16T (DB,
UB)
12W
14W
17W
AF 161
11T, 12T, 16T, 18T (THF,
BHF)
11T, 12T, 16T, 18T (DB, UB)
17W
21W
AF 181
18T, 22T (THF, BHF)
18T, 22T (DB, UB)
21W,25W
AF 201
22T, 25T, 30T (THF, BHF)
22T, 25T, 30T (DB, UB)
25W
30W
25T (THF, BHF)
AF 221
25T (DB, UB)
30T (THF, BHF)
30T (DB, UB)
36W
AF 241
35T, 37T (THF, BHF)
35T, 37T (DB, UB)
36W
40W
35T, 37T (THF, UBF)
AF 271
35T, 37T (DB, UB)
42T (THF, BHF)
42T (DB, UB)
40W
50W
61W
AF 301
42T (THF, UBF)
42T (DB, UB)
51T (THF, UBF)
51T (DB, UB)
72W (THF)
72W (BHF)
AF 32
72W (DB)
72W (UB)
Table 27 — Airfoil Fan Dimensions (in.)
ALL
Length
Width
34.0
23.5
36.0
33.5
42.0
27.8
28.5
45.5
34.5
28.5
58.5
46.3
30.0
49.3
34.5
58.5
40.5
63.5
54.3
35.1
57.6
40.5
70.5
57.3
38.1
60.4
40.5
72.0
59.8
40.4
65.4
52.5
77.5
52.5
95.5
61.8
67.5
43.6
65.8
70.5
47.5
100.5
70.8
46.1
77.8
47.5
100.5
53.5
73.1
50.1
80.8
82.0
64.0
53.5
100.5
59.5
108.5
87.0
69.0
90.0
57.2
78.2
57.2
78.2
61.8
79.4
57.8
78.2
107
FAN SLED ASSEMBLY
THF
BHF
Height
Height
26.0
25.8
26.8
28.1
27.5
29.6
29.9
30.6
29.0
30.6
—
—
36.8
36.9
36.4
37.4
—
—
39.8
40.1
39.4
40.6
—
—
45.1
44.3
44.1
44.3
—
—
49.3
48.1
48.3
48.1
—
—
48.3
48.1
—
—
55.5
56.1
55.7
57.6
—
—
60.4
61.1
60.6
62.5
—
—
61.4
62.1
—
—
66.0
66.1
67.1
67.2
—
—
67.1
67.2
—
—
64.2
—
—
63.7
—
—
—
—
DB
UB
Height
Height
24.8
28.6
28.6
26.9
31.6
28.1
28.7
31.6
28.9
38.6
—
—
28.8
29.3
36.0
38.6
36.2
41.6
—
—
36.4
36.5
41.6
39.6
51.6
—
—
39.6
39.3
43.3
51.6
—
—
43.1
42.8
47.4
51.6
47.6
—
—
47.2
46.5
—
—
47.2
46.5
53.0
62.6
—
—
54.4
54.0
—
62.6
57.8
68.6
—
—
59.2
58.3
—
—
58.8
57.8
—
68.6
78.6
59.5
93.6
—
—
60.6
63.3
—
—
60.6
63.3
—
—
—
—
51.3
—
—
56.4