管帽相关执行标准
管帽尺寸
2020-12-30
| 外径 | 高度 | 高度为E值的极限壁厚 | ||
| DN | NPS | E | E1 | E |
| 15 | 1/2 | 25 | 25 | 4.57 |
| 20 | 3/4 | 25 | 25 | 3.81 |
| 25 | 1 | 38 | 38 | 4.57 |
| 32 | 1 1/4 | 38 | 38 | 4.83 |
| 40 | 1 1/2 | 38 | 38 | 5.08 |
| 50 | 2 | 38 | 44 | 5.59 |
| 65 | 2 1/2 | 38 | 51 | 7.11 |
| 80 | 3 | 51 | 64 | 7.62 |
| 90 | 3 1/2 | 64 | 76 | 8.13 |
| 100 | 4 | 64 | 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 |
| 450 | 18 | 203 | 229 | 12.7 |
| 500 | 20 | 229 | 254 | 12.7 |
| 550 | 22 | 254 | 254 | 12.7 |
| 600 | 24 | 267 | 305 | 12.7 |
| 650 | 26 | 267 | ||
| 700 | 28 | 267 | ||
| 750 | 30 | 267 | ||
| 800 | 32 | 267 | ||
| 850 | 34 | 267 | ||
| 900 | 36 | 267 | ||
| 950 | 38 | 305 | ||
| 1000 | 40 | 305 | ||
| 1050 | 42 | 305 | ||
| 1100 | 44 | 343 | ||
| 1150 | 46 | 343 | ||
| 1200 | 48 | 343 |
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