4. Fan Specifications
PNEG-2305
Aluminum Centrifugal Fan
23
Inlet Cone Dimensions
Figure 4C
Inlet Cone to Wheel Clearances
Figure 4D
Size
Painted Part #
A
B
C
D
Hole Size
# of Holes
15
C-7743
18.6
4.0
10.4
9.9
0.7
8
18
C-7745
22.8
5.4
12.6
21.8
0.9
16
22
C-7747
27.1
6.8
15.6
26.1
0.9
16
24
C-7749
30.5
7.3
17.0
29.1
1.0
16
27
C-7751
33.1
8.0
18.8
31.8
1.0
16
30
C-7753
36.5
9.0
21.1
35.1
1.0
16
33
C-7754
38.8
10.0
23.1
38.4
1.0
16
Gap
The “Gap” between the cone and wheel should be equal
distance all around the cone’s inner edge.
Overlap
The “Overlap” of the wheel over the cone should be a
minimum distance to allow free rotation without interference.
