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Standard: GB 12459, GB/T 13401, SH 3408, SH 3409, HG/T21635, SY/T 0510, ASME B16.9
| 公称通径 Nominal Pipe Size | 高度 Length | 对尺寸E的限制厚度 Limiting Wall Thickness for Length E | ||
| DN | NPS | E | E1 | |
| 15 | 1/2 | 25 | 25 | 4.57 |
| 20 | 3/4 | 25 | 25 | 3.81 |
| 25 | 1 | 38 | 38 | 4.57 |
| 32 | 11/4 | 38 | 38 | 4.82 |
| 40 | 11/2 | 38 | 38 | 5.08 |
| 50 | 2 | 38 | 44 | 5.59 |
| 65 | 21/2 | 38 | 51 | 7.11 |
| 80 | 3 | 51 | 64 | 7.62 |
| 90 | 31/2 | 64 | 76 | 8.13 |
| 100 | 4 | 65 | 76 | 8.64 |
| 125 | 5 | 76 | 89 | 9.65 |
| 150 | 6 | 89 | 102 | 10.92 |
| 200 | 8 | 102 | 127 | 12.7 |
| 250 | 10 | 127 | 152 | 12.7 |
| 300 | 12 | 152 | 178 | 12.7 |
| 350 | 14 | 165 | 191 | 12.7 |
| 400 | 16 | 178 | 203 | 12.7 |
