|
公称直径 |
管道的壁厚系列 |
管道内径D/in |
管道内径D/mm |
|
DN50(2in) |
40
80
160 |
2.067
1.939
1.689 |
52.50
49.25
42.90 |
|
DN80(3in) |
40
80
160 |
3.068
2.900
2.624 |
77.93
73.66
66.70 |
|
DN100(4in) |
40
80
120
160 |
4.026
3.826
3.624
3.438 |
102.26
97.18
92.05
87.33 |
|
DN150(6in) |
40
80
120
160 |
6.065
5.761
5.501
5.189 |
154.1
146.3
139.7
131.8 |
|
DN200(8in) |
20
30
40
60
80
120 |
8.125
8.071
7.981
7.813
7.625
7.189 |
206.4
205.0
202.7
198.5
193.7
182.6 |
|
DN250(10in) |
30
40
60
80 |
10.136
10.020
9.750
9.564 |
257.5
254.5
247.7
242.9 |
|
DN300(12in) |
30
40
60
80 |
12.090
11.938
11.626
11.376 |
307.1
303.2
295.3
289.0 |
|
DN350(14in) |
30
40
60
80 |
13.250
13.124
12.814
12.500 |
336.6
333.4
325.5
317.5 |
|
DN400(16in) |
30
40
60
80 |
15.250
15.000
14.688
14.314 |
387.4
381.0
373.1
363.6 |
|
DN450(18in) |
20
30
40
60
80 |
17.376
17.124
16.876
16.500
16.126 |
441.4
435.0
428.7
419.1
409.6 |
|
DN500(20in) |
20
30
40
60
80 |
19.250
19.000
18.814
18.376
17.938 |
488.9
482.6
477.9
466.8
455.6 |
|
DN600(24in) |
20
30
40
60
80 |
23.250
22.876
22.626
22.064
21.564 |
590.6
581.1
574.7
560.4
547.7 |
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