| 公稱(chēng)直徑 |
外徑 |
| DN |
寸 |
A系列 |
B系列 |
| 6 |
1/8 |
10 |
|
| 8 |
1/4 |
14 |
|
| 10 |
3/8 |
17 |
14 |
| 15 |
1/2 |
22 |
18 |
| 20 |
3/4 |
27 |
25 |
| 25 |
1 |
34 |
32 |
| 32 |
1 1/4 |
42 |
38 |
| 40 |
1 1/2 |
48 |
45 |
| 50 |
2 |
60 |
57 |
| 65 |
2 1/2 |
76 |
76 |
| 80 |
3 |
89 |
89 |
| 90 |
3 1/2 |
101 |
|
| 100 |
4 |
114 |
108 |
| 125 |
5 |
140 |
133 |
| 150 |
6 |
168 |
159 |
| 200 |
8 |
219 |
219 |
| 250 |
10 |
273 |
273 |
| 300 |
12 |
325 |
325 |
| 350 |
14 |
356 |
377 |
| 400 |
16 |
406 |
426 |
| 450 |
18 |
457 |
478 |
| 500 |
20 |
508 |
529 |
| 550 |
22 |
559 |
|
| 600 |
24 |
610 |
630 |
| 650 |
26 |
660 |
|
| 700 |
28 |
711 |
720 |
| 750 |
30 |
762 |
|
| 800 |
32 |
813 |
820 |
| 850 |
34 |
862 |
|
| 900 |
36 |
914 |
920 |
| 950 |
38 |
965 |
|
| 1000 |
40 |
1016 |
1020 |
| 1050 |
42 |
|
|
| 1100 |
44 |
1118 |
1120 |
| 1150 |
46 |
|
|
| 1200 |
48 |
1220 |
1220 |
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