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Duct Resistance
Duct Resistance
RESISTANCE IN DUCT @ 4500 FT / MIN.
Duct Ø |
pr 100 feet |
pr 50 feet |
pr 20 feet |
pr 10 feet |
pr 1 foot |
|---|---|---|---|---|---|
3 |
11.100 |
5.550 |
2.220 |
1.110 |
0.1110 |
4 |
8.600 |
4.300 |
1.720 |
0.860 |
0.0860 |
5 |
6.500 |
3.250 |
1.300 |
0.650 |
0.0650 |
6 |
5.200 |
2.600 |
1.040 |
0.520 |
0.0520 |
7 |
4.200 |
2.100 |
0.840 |
0.420 |
0.0420 |
8 |
3.600 |
1.800 |
0.720 |
0.360 |
0.0360 |
9 |
3.200 |
1.600 |
0.640 |
0.320 |
0.0320 |
10 |
2.800 |
1.400 |
0.560 |
0.280 |
0.0280 |
11 |
2.400 |
1.200 |
0.480 |
0.240 |
0.0240 |
12 |
2.200 |
1.100 |
0.440 |
0.220 |
0.0220 |
13 |
2.000 |
1.000 |
0.400 |
0.200 |
0.0200 |
14 |
1.800 |
0.900 |
0.360 |
0.180 |
0.0180 |
15 |
1.700 |
0.850 |
0.340 |
0.170 |
0.0170 |
16 |
1.600 |
0.800 |
0.320 |
0.160 |
0.0160 |
17 |
1.500 |
0.750 |
0.300 |
0.150 |
0.0150 |
18 |
1.400 |
0.700 |
0.280 |
0.140 |
0.0140 |
20 |
1.200 |
0.600 |
0.240 |
0.120 |
0.0120 |
22 |
1.100 |
0.550 |
0.220 |
0.110 |
0.0110 |
24 |
0.950 |
0.475 |
0.190 |
0.095 |
0.0095 |
26 |
0.850 |
0.425 |
0.170 |
0.085 |
0.0085 |
28 |
0.790 |
0.395 |
0.158 |
0.079 |
0.0079 |
30 |
0.730 |
0.365 |
0.146 |
0.073 |
0.0073 |
32 |
0.670 |
0.335 |
0.134 |
0.067 |
0.0067 |
34 |
0.620 |
0.310 |
0.124 |
0.062 |
0.0062 |
36 |
0.590 |
0.295 |
0.118 |
0.059 |
0.0059 |
38 |
0.560 |
0.280 |
0.112 |
0.056 |
0.0056 |
40 |
0.520 |
0.260 |
0.104 |
0.052 |
0.0052 |