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Misure Dei Tubi E Delle Condotte

In ingegneria le tubazioni di dividono in:

  • tubi (tubing),
  • condotte (piping)

Questa suddivisione nasce nel mondo anglosassone, i tubi sono piccoli, generalmente massimo 25mm di diametro, mente le condotte sono piu' grandi.

Tubi (tube)

I tubi nel mondo anglosassone si dividono a seconda del diametro esterno e sono espresse in pollici, la seguente tabella spiega quale sia il diametro effettivo:

DenominazioneDiametro esterno in mm
1/16"1.588
1/8"3.175
1/4"6.350
3/8"9.525
1/2"12.700
5/8"15.875
3/4"19.050
7/8"22.225
1"25.400

Condotte (pipe)

Le condotte nel mondo anglosassone sono normalizzate attraverso una misura nominale e una schedula. Questi valori non sono molto espressivi delle misure effettive, ecco perche' ho redatto la seguente tabella:

DefinizioneDiametro interno in mmSpessore parete in mmDiametro esterno in mm
1/8" sch. 107.81.2410.3
1/8" sch. 406.81.7310.3
1/8" sch. 805.52.4110.3
1/4" sch. 1010.41.6513.7
1/4" sch. 409.32.2413.8
1/4" sch. 807.73.0213.7
3/8" sch. 1013.81.6517.1
3/8" sch. 4012.52.3117.1
3/8" sch. 8010.73.2017.1
1/2" sch. 518.01.6521.3
1/2" sch. 1017.12.1121.3
1/2" sch. 4015.82.7721.3
1/2" sch. 8013.83.7321.3
1/2" sch. 16011.74.7821.3
1/2" sch. XX6.47.4721.3
3/4" sch. 523.41.6526.7
3/4" sch. 1022.52.1126.7
3/4" sch. 4021.02.8726.7
3/4" sch. 8018.93.9126.7
3/4" sch. 16015.65.5626.7
3/4" sch. XX11.17.8226.7
1" sch. 530.11.6533.4
1" sch. 1027.92.7733.4
1" sch. 4026.63.3833.4
1" sch. 8024.34.5533.4
1" sch. 16020.76.3533.4
1" sch. XX15.29.0933.4
1-1/4" sch. 538.91.6542.2
1-1/4" sch. 1036.72.7742.2
1-1/4" sch. 4035.13.5642.2
1-1/4" sch. 8032.54.8542.2
1-1/4" sch. 16029.56.3542.2
1-1/4" sch. XX22.89.7042.2
1-1/2" sch. 545.01.6548.3
1-1/2" sch. 1042.82.7748.3
1-1/2" sch. 4040.93.6848.3
1-1/2" sch. 8038.15.0848.3
1-1/2" sch. 16034.07.1448.3
1-1/2" sch. XX28.010.1648.3
2" sch. 557.01.6560.3
2" sch. 1054.82.7760.3
2" sch. 4052.53.9160.3
2" sch. 8049.25.5460.3
2" sch. 16042.88.7460.3
2" sch. XX38.211.0760.3
2-1/2" sch. 568.82.1173
2-1/2" sch. 1066.93.0573
2-1/2" sch. 4062.75.1673
2-1/2" sch. 8059.07.0173
2-1/2" sch. 16053.99.5373
2-1/2" sch. XX45.014.0273
3" sch. 584.72.1188.9
3" sch. 1082.83.0588.9
3" sch. 4077.95.4988.9
3" sch. 8073.77.6288.9
3" sch. 16066.611.1388.9
3" sch. XX58.415.2488.9
3-1/2" sch. 59.742.1114
3-1/2" sch. 1095.53.05101.6
3-1/2" sch. 4090.15.74101.6
3-1/2" sch. 8085.48.08101.6
4" sch. 5110.12.11114.3
4" sch. 10108.23.05114.3
4" sch. 40102.36.02114.3
4" sch. 8097.28.56114.3
4" sch. 12087.313.49114.3
4" sch. 16092.011.13114.3
4" sch. XX80.117.12114.3
5" sch. 5135.82.77141.3
5" sch. 10134.53.4141.3
5" sch. 40128.26.55141.3
5" sch. 80122.29.53141.3
5" sch. 120109.515.88141.3
5" sch. 160115.912.7141.3
5" sch. XX103.219.05141.3
6" sch. 5162.82.77168.3
6" sch. 10161.53.4168.3
6" sch. 40154.17.11168.3
6" sch. 80146.410.97168.3
6" sch. 120131.818.26168.3
6" sch. 160139.814.27168.3
6" sch. XX124.421.95168.3
8" sch. 5213.62.77219.1
8" sch. 10221.63.76229.1
8" sch. 20206.46.35219.1
8" sch. 30205.08.07221.1
8" sch. 40202.78.18219.1
8" sch. 60198.510.31219.1
8" sch. 80193.712.7219.1
8" sch. 100188.915.09219.1
8" sch. 120182.618.26219.1
8" sch. 140177.920.62219.1
8" sch. 160173.123.01219.1
8" sch. XX174.622.23219.1
10" sch. 5266.23.4273
10" sch. 10264.64.19273
10" sch. 20260.36.35273
10" sch. 30257.47.8273
10" sch. 40254.59.27273
10" sch. 60247.612.7273
10" sch. 80242.815.09273
10" sch. 80S247.612.7273
10" sch. 100236.518.26273
10" sch. 120230.121.44273
10" sch. 140222.225.4273
10" sch. 160215.828.58273
10" sch. XX222.225.4273
12" sch. 5315.93.96323.8
12" sch. 10314.74.57323.8
12" sch. 20311.16.35323.8
12" sch. 30307.08.38323.8
12" sch. 40303.210.31323.8
12" sch. 40S304.79.53323.8
12" sch. 60295.314.27323.8
12" sch. 80288.817.48323.8
12" sch. 80S298.412.7323.8
12" sch. 100280.921.44323.8
12" sch. 120273.025.4323.8
12" sch. 140266.628.58323.8
12" sch. 160257.233.32323.8
12" sch. XX273.025.4323.8
14" sch. 5347.73.96355.6
14" sch. 10346.04.78355.6
14" sch. 20342.96.35355.6
14" sch. 30339.87.92355.6
14" sch. 40333.311.13355.6
14" sch. 40S336.59.53355.6
14" sch. 60325.415.09355.6
14" sch. 80317.519.5356.5
14" sch. 80S330.212.7355.6
14" sch. 100307.923.83355.6
14" sch. 120300.027.79355.6
14" sch. 140292.131.75355.6
14" sch. 160284.235.71355.6
16" sch. 5S398.04.19406.4
16" sch. 10393.76.35406.4
16" sch. 10S396.84.78406.4
16" sch. 20390.67.92406.4
16" sch. 30387.39.53406.4
16" sch. 40381.012.7406.4
16" sch. 40S387.39.53406.4
16" sch. 60373.116.66406.4
16" sch. 80363.521.44406.4
16" sch. 100354.026.19406.4
16" sch. 120344.530.96406.4
16" sch. 140333.336.53406.4
16" sch. 160325.440.49406.4
18" sch. 5448.84.19457.2
18" sch. 10444.56.35457.2
18" sch. 10S447.64.78457.2
18" sch. 20441.47.92457.2
18" sch. 30434.911.13457.2
18" sch. 40428.714.27457.2
18" sch. 60419.119.05457.2
18" sch. 80405.523.83453.2
18" sch. 100398.529.36457.2
18" sch. 120387.334.93457.2
18" sch. 140377.939.67457.2
18" sch. 160366.745.24457.2
18" sch. ST438.19.53457.2
18" sch. XS431.812.7457.2
20" sch. 5S498.44.78508
20" sch. 10495.36.35508
20" sch. 10S496.95.54508
20" sch. 20488.99.53508
20" sch. 30482.612.7508
20" sch. 40477.815.09508
20" sch. 60466.820.62508
20" sch. 80455.626.19508
20" sch. 100442.932.54508
20" sch. 120431.838.1508
20" sch. 140419.144.45508
20" sch. 160408.050.01508
20" sch. XS482.612.7508
24" sch. 5598.95.54610
24" sch. 10597.36.35610
24" sch. 20590.99.53610
24" sch. 30581.512.27606
24" sch. 40575.017.48610
24" sch. 60560.824.61610
24" sch. 80548.130.96610
24" sch. 100532.238.89610
24" sch. 120518.046.02610
24" sch. 140505.352.37610
24" sch. 160490.959.54610
24" sch. XS584.612.7610
30" sch. 5749.36.35762
30" sch. 10746.27.92762
30" sch. 20736.612.7762
30" sch. 30730.215.88762
30" sch. ST742.99.53762
30" sch. XS736.612.7762

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