Vane Axial Fans - Greenheck
Vane Axial Fans - Greenheck
Vane Axial Fans - Greenheck
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VAD-30F21<br />
Fan Outlet Area = 5.03 ft. 2 Max. Motor Frame Size = 365T Min. Motor Frame Size = 182T<br />
Cone Outlet Area = 7.22 ft. 2 Tip Speed = 7.92 x RPM<br />
Outlet Condition Corrections<br />
20<br />
Pressure Correction, Pc<br />
10<br />
6<br />
4<br />
2<br />
1<br />
0.6<br />
0.4<br />
0.2<br />
0.1<br />
0.06<br />
0.04<br />
Pt = Ps + Pc<br />
D<br />
C<br />
Pc = (<br />
CFM<br />
K<br />
B<br />
A<br />
(<br />
2<br />
A Ducted with cone K = 27,170<br />
B Ducted outlet K = 20,150<br />
C Free with cone K = 19,020<br />
D Free discharge K = 10,520<br />
0.02<br />
5<br />
6 7 8<br />
9<br />
10<br />
CFM x 1,000<br />
20 30 40 50<br />
VAD-30F21<br />
1170 RPM<br />
2.80<br />
7.0<br />
2.40<br />
40°<br />
6.0<br />
Total Pressure (in. wg)<br />
2.00<br />
1.60<br />
1.20<br />
0.80<br />
0.40<br />
10°<br />
15°<br />
20°<br />
25°<br />
30°<br />
35°<br />
74%<br />
25°<br />
20°<br />
15°<br />
0.00 10°<br />
0.0<br />
0 2 4 6 8 10 12 14 16 18 20<br />
70%<br />
65%<br />
CFM x 1,000<br />
60%<br />
55%<br />
50%<br />
45%<br />
30°<br />
35°<br />
40°<br />
5.0<br />
4.0<br />
3.0<br />
2.0<br />
1.0<br />
Horsepower<br />
Performance certified is for model VAD installation type D: Ducted inlet, Ducted outlet. Power ratings (Bhp) do not include transmission losses.<br />
Performance ratings do not include the effects of appurtenances (accessories).<br />
®<br />
42
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