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| 一、国家标准(State
stanard)：GB12459-90GB、T13401-92GB、T14383-93 |
| 二、电力部标准( Ministry of
PowerStandard)：GD87-1101、DL/T515-93 |
| 三、化工部标准(Ministry
of Chemicalindustry Standard)：HGJ514-87、HGJ528-90、HGJ10-88 |
| 四、中石化标准(China Petrochemical
Corp Standard)：SH3408-96、SH3409-96、SH3410-96 |
| 五、德国标准(German
standard)：DIN2605-2642 |
| 六、美国标准(U.S.A Standard)：ANSIB16.9ANSIB16.28ANSIB16.11 |
| 也可按顾客提供的图样或指定标准生产 |
| 一、碳钢 Carbon
steel １０＃、２０＃、ＳＴ４５．８、Ｑ２３５ |
| 二、合金钢(Alloy steel):16Mn
16MnR 12CrMoV 10CrMo910 Cr5Mo 15CrMo |
| 三、不锈钢(Stainless
steel):SUS321 304 304L 316 316L 317L |
公称通径
Norminal
Dia DN |
端部外径
Overall Dia,if End
D |
背面至端面尺寸
Back to End Surface Limited |
对尺寸E的限制厚度
Ther Restricted Thickness Size E. |
A系列
A series |
B系列
B series |
E |
E1 |
| 15 |
21.3 |
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 |
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 |
12.7 |
| 650 |
660 |
- |
267 |
|
|
| 700 |
711 |
720 |
267 |
|
|
| 750 |
762 |
- |
267 |
|
|
| 800 |
813 |
820 |
267 |
|
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| 850 |
864 |
- |
267 |
|
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| 900 |
914 |
920 |
267 |
|
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| 1000 |
1016 |
1020 |
305 |
|
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| 1100 |
1118 |
1120 |
343 |
|
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| 1200 |
1220 |
1220 |
343 |
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| 1300 |
1321 |
1320 |
355 |
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| 1400 |
1420 |
1420 |
380 |
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| 1500 |
1524 |
1520 |
405 |
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