Grain Systems PNEG-163-08 - Manual (Page 22)

4. Fan Specifications
22 PNEG-163-08 Centrifugal Fan
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 18.625 4.000 10.375 9.875 0.688 8
18 C-7745 22.750 5.388 12.625 21.750 0.875 16
22 C-7747 27.125 6.750 15.625 26.125 0.875 16
24 C-7749 30.500 7.250 17.000 29.125 1.000 16
27 C-7751 33.125 8.000 18.813 31.750 1.000 16
30 C-7753 36.500 9.000 21.125 35.125 1.000 16
33 C-7754 38.750 10.000 23.063 38.376 1.000 16
Add suffix to painted part # for correct color. “-Y” = YELLOW, “-R” = RED, “-O” = ORANGE
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.