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管帽[封頭]的技術(shù)參數(shù)標(biāo)準
| 公稱通徑 |
端部外徑 |
背面至端面尺寸 |
對尺寸E的限制厚度 |
|||
|
A系列 |
B系列 |
E |
E1 |
|||
|
15 |
210.3 |
18 |
25 |
- |
|
|
|
20 |
26.9 |
25 |
25 |
- |
|
|
|
25 |
33.7 |
32 |
38 |
- |
|
|
|
32 |
42.4 |
38 |
38 |
- |
|
|
|
40 |
48.3 |
45 |
38 |
- |
|
|
|
50 |
60.3 |
57 |
38 |
44 |
5.5 |
|
|
65 |
76.1(73) |
76 |
38 |
51 |
7.0 |
|
|
80 |
88.9 |
89 |
51 |
64 |
7.6 |
|
|
100 |
114.3 |
108 |
64 |
76 |
8.1 |
|
|
125 |
139.7 |
133 |
76 |
89 |
8.6 |
|
|
150 |
168.3 |
159 |
89 |
102 |
9.5 |
|
|
200 |
219.1 |
219 |
102 |
127 |
11.0 |
|
|
250 |
273.0 |
273 |
127 |
152 |
12.7 |
|
|
300 |
323.9 |
325 |
152 |
178 |
12.7 |
|
|
350 |
355.6 |
377 |
165 |
191 |
12.7 |
|
|
400 |
406.4 |
426 |
178 |
203 |
12.7 |
|
|
450 |
457 |
478 |
203 |
229 |
12.7 |
|
|
500 |
508 |
529 |
229 |
254 |
12.7 |
|
|
550 |
559 |
- |
254 |
254 |
12.7 |
|
|
600 |
610 |
630 |
267 |
305 |
2.7 |
|
|
650 |
660 |
- |
267 |
|
|
|
|
700 |
711 |
720 |
267 |
|
|
|
|
750 |
762 |
- |
267 |
|
|
|
|
800 |
813 |
820 |
267 |
|
|
|
|
850 |
864 |
- |
267 |
|
|
|
|
900 |
914 |
920 |
267 |
|
|
|
|
1000 |
1016 |
1020 |
305 |
|
|
|
|
1100 |
1118 |
1120 |
343 |
|
|
|
|
1200 |
1220 |
1220 |
343 |
|
|
|
|
1300 |
1321 |
1320 |
355 |
|
|
|
|
1400 |
1420 |
1420 |
380 |
|
|
|
|
1500 |
||||||
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