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执行标准：MSS SP-97、GB19326、Q/FG11
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支管公称通径
Nominal Diameter of Branch |
适用主管公称通径
Nominal
Diameter of Suited Main Pipe
不小于≥ |
L |
E |
| DN |
NPS |
mm |
in |
3000LB |
6000LB |
3000LB |
6000LB |
|
6 |
1/8 |
20 |
3/4 |
19.1 |
- |
15.9 |
- |
|
8 |
1/4 |
20 |
3/4 |
19.1 |
- |
15.9 |
- |
|
10 |
3/8 |
25 |
1 |
20.6 |
- |
19.1 |
- |
|
15 |
1/2 |
32 |
1.1/4 |
25.4 |
31.8 |
23.8 |
19.1 |
|
20 |
3/4 |
40 |
1.1/2 |
27.0 |
36.5 |
30.2 |
25.4 |
|
25 |
1 |
50 |
2 |
33.3 |
39.7 |
36.5 |
33.3 |
|
32 |
1.1/4 |
65 |
2.1/2 |
33.3 |
41.3 |
44.5 |
38.1 |
|
40 |
1.1/2 |
65 |
2.1/2 |
34.9 |
42.9 |
50.8 |
49.2 |
|
50 |
2 |
80 |
3 |
38.1 |
52.4 |
65.1 |
69.9 |
|
60 |
2.1/2 |
100 |
4 |
39.7 |
- |
76.2 |
- |
|
80 |
3 |
125 |
5 |
44.5 |
- |
93.7 |
- |
|
100 |
4 |
150 |
6 |
47.6 |
- |
120.7 |
- |
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