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Spiral Ducts - Dimensions

Standard dimensions of spiral ducts - Imperial units

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Physical properties of spiral pipe - imperial units - are indicated below.

Nominal DiameterOutside DiameterWall ThicknessWeight
(in)(in)(in)(lb/ft)
3 3 0.0276 1.1
4 4 0.0276 1.4
5 5 0.0276 1.7
6 6 0.0276 2.0
7 7 0.0276 2.4
8 8 0.0276 2.8
9 9 0.0276 3.1
10 10 0.0276 3.4
11 11 0.0276 3.8
12 12 0.0276 4.1
13 13 0.0276 4.5
14 14 0.0276 4.8
15 15 0.0276 5.1
16 16 0.0276 5.5
17 17 0.0276 5.8
18 18 0.0276 6.1
20 20 0.0276 6.8
22 22 0.0336 9.1
24 24 0.0336 9.9
26 26 0.0336 10.8
28 28 0.0336 11.6
30 30 0.0336 12.4
32 32 0.0336 13.3
34 34 0.0336 14.1
36 36 0.0336 14.9
38 38 0.0396 18.5
40 40 0.0396 19.5
42 42 0.0396 20.5
44 44 0.0396 21.5
46 46 0.0396 22.5
48 48 0.0396 23.4
50 50 0.0516 32.4
52 52 0.0516 33.7
54 54 0.0516 35.0
56 56 0.0516 36.3
58 58 0.0516 37.6
60 60 0.0516 38.8
62 62 0.0516 41.1
64 64 0.0516 43.4
66 66 0.0516 44.7
68 68 0.0516 46.1
70 70 0.0516 47.4
72 72 0.0516 48.8
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