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公称通径
Nominal Diameter |
端部外径
D
Outside Diameter at Bevel |
背部至端面的距离
Back to End |
| DN |
NPS |
A
系列
Series A |
B
系列
Series B |
E |
长度E时极限厚度
T |
E1 |
15 |
1/2 |
21.3 |
18 |
25 |
4.57 |
25 |
20 |
3/4 |
26.9 |
25 |
25 |
3.81 |
25 |
25 |
1 |
33.7 |
32 |
38 |
4.57 |
38 |
32 |
1.1/4 |
42.4 |
38 |
38 |
4.83 |
38 |
40 |
1.1/2 |
48.3 |
45 |
38 |
5.08 |
38 |
50 |
2 |
60.3 |
57 |
38 |
5.59 |
44 |
65 |
2.1/2 |
76.1(73) |
76 |
38 |
7.11 |
51 |
80 |
3 |
88.9 |
89 |
51 |
7.62 |
64 |
90 |
3.1/2 |
101.6 |
- |
64 |
8.13 |
76 |
100 |
4 |
114.3 |
108 |
64 |
8.64 |
76 |
125 |
5 |
139.7 |
133 |
76 |
9.65 |
89 |
150 |
6 |
168.3 |
159 |
89 |
10.92 |
102 |
200 |
8 |
219.1 |
219 |
102 |
12.70 |
127 |
250 |
10 |
273.0 |
273 |
127 |
12.70 |
152 |
300 |
12 |
323.9 |
325 |
152 |
12.70 |
178 |
350 |
14 |
355.6 |
377 |
165 |
12.70 |
191 |
400 |
16 |
406.4 |
426 |
178 |
12.70 |
203 |
450 |
18 |
457.2 |
478 |
203 |
12.70 |
229 |
500 |
20 |
508.0 |
529 |
229 |
12.70 |
254 |
550 |
22 |
559 |
- |
254 |
12.70 |
254 |
600 |
24 |
610 |
630 |
267 |
12.70 |
305 |
650 |
26 |
660 |
- |
267 |
- |
- |
700 |
28 |
711 |
720 |
267 |
- |
- |
750 |
30 |
762 |
- |
267 |
- |
- |
800 |
32 |
813 |
820 |
267 |
- |
- |
850 |
34 |
864 |
- |
267 |
- |
- |
900 |
36 |
914 |
920 |
267 |
- |
- |
950 |
38 |
965 |
- |
305 |
- |
- |
1000 |
40 |
1016 |
1020 |
305 |
- |
- |
1050 |
42 |
1067 |
- |
305 |
- |
- |
1100 |
44 |
1118 |
1120 |
343 |
- |
- |
1150 |
46 |
1168 |
- |
343 |
- |
- |
1200 |
48 |
1220 |
1220 |
343 |
- |
- |
注：
高度E适用于T不超过括号内数值时，否则应采用E1高度。 When T is
less the dimension in parentheses, the height E is
available. Otherwise E1 is
available. |
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