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Air Volumes and Velocities
Air Volumes and Velocities
Air Volume at Different Velocities and Duct Sizes
DUCT Ø |
2000 |
2500 |
3000 |
3500 |
4000 |
4500 |
5000 |
5500 |
6000 |
6500 |
7000 |
|---|---|---|---|---|---|---|---|---|---|---|---|
3 |
100 |
125 |
150 |
170 |
195 |
220 |
245 |
270 |
295 |
320 |
345 |
4 |
175 |
220 |
260 |
305 |
350 |
395 |
440 |
485 |
525 |
570 |
615 |
5 |
275 |
340 |
410 |
475 |
545 |
615 |
680 |
750 |
820 |
885 |
955 |
6 |
395 |
490 |
590 |
685 |
785 |
885 |
980 |
1080 |
1180 |
1275 |
1375 |
7 |
535 |
670 |
800 |
935 |
1070 |
1205 |
1335 |
1470 |
1605 |
1735 |
1870 |
8 |
700 |
875 |
1050 |
1220 |
1395 |
1570 |
1745 |
1920 |
2095 |
2270 |
2445 |
9 |
885 |
1105 |
1325 |
1545 |
1765 |
1990 |
2210 |
2430 |
2650 |
2870 |
3090 |
10 |
1090 |
1365 |
1635 |
1910 |
2180 |
2455 |
2725 |
3000 |
3270 |
3545 |
3820 |
11 |
1320 |
1650 |
1980 |
2310 |
2640 |
2970 |
3300 |
3630 |
3960 |
4290 |
4620 |
12 |
1570 |
1965 |
2355 |
2750 |
3140 |
3535 |
3925 |
4320 |
4710 |
5105 |
5500 |
13 |
1850 |
2300 |
2770 |
3225 |
3685 |
4150 |
4610 |
5070 |
5530 |
5990 |
6450 |
14 |
2140 |
2675 |
3205 |
3740 |
4275 |
4810 |
5345 |
5880 |
6415 |
6950 |
7485 |
15 |
2450 |
3070 |
3680 |
4300 |
4900 |
5520 |
6130 |
6750 |
7360 |
7970 |
8590 |
16 |
2790 |
3490 |
4190 |
4885 |
5585 |
6285 |
6980 |
7680 |
8380 |
9075 |
9775 |
17 |
3150 |
3940 |
4730 |
5515 |
6300 |
7090 |
7880 |
8670 |
9450 |
10240 |
11030 |
18 |
3535 |
4420 |
5300 |
6185 |
7070 |
7950 |
8835 |
9720 |
10600 |
11485 |
12370 |
20 |
4365 |
5455 |
6545 |
7635 |
8725 |
9815 |
10910 |
12000 |
13090 |
14180 |
15270 |
22 |
5280 |
6600 |
7920 |
9240 |
10560 |
11880 |
13200 |
14520 |
15840 |
17160 |
18480 |
24 |
6285 |
7855 |
9425 |
10995 |
12656 |
14135 |
15710 |
17280 |
18850 |
20420 |
21995 |
26 |
7370 |
9210 |
11055 |
12900 |
14740 |
16580 |
19420 |
20270 |
22110 |
23950 |
25800 |
28 |
8550 |
10685 |
12820 |
14960 |
17100 |
19230 |
21310 |
23500 |
25650 |
27780 |
29920 |
30 |
9800 |
12260 |
14700 |
17170 |
19625 |
22080 |
24530 |
26990 |
29440 |
31890 |
34350 |
32 |
11160 |
13950 |
16750 |
19541 |
22330 |
25120 |
27910 |
30700 |
33490 |
26280 |
39070 |
34 |
12600 |
15755 |
18905 |
22055 |
25210 |
28360 |
31510 |
34660 |
37810 |
40965 |
44115 |
36 |
14130 |
17665 |
21195 |
24730 |
28260 |
31800 |
35325 |
38860 |
24390 |
45925 |
49455 |
38 |
15745 |
19680 |
23615 |
27550 |
31490 |
35425 |
39360 |
43295 |
47230 |
51170 |
55100 |
40 |
17445 |
21800 |
26170 |
30530 |
34890 |
39250 |
43610 |
47975 |
52330 |
56700 |
61055 |