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管帽(封头)实物图（网上产品图片仅供参考，交货按实物为准） |
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管帽(封头)参数表 |
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
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12.70
|
254
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|
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 |
- |
- |
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1050 |
42 |
1067 |
- |
305 |
- |
- |
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1100 |
44 |
1118 |
1120 |
343 |
- |
- |
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1150 |
46 |
1168 |
- |
343 |
- |
- |
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1200 |
48 |
1220 |
1220 |
343 |
- |
- |
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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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上述尺寸符合GB/T12459、GB/T13401、ASME
B16.9、SH3408、SH3409、HG/T21635、HG/T21631、SY/T05010标准 |
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