首页 > 阀门技术资料 > 美标ANSI对焊连接端口尺寸
美标ANSI对焊连接端口尺寸
焊接端口符合ANSI B16.25型号2b标准， 其管壁厚度t等于或小于0.88英寸。对于管壁厚度大于0.88英寸的焊接端口，则符合ANSI B16.25型号3b标准。在订购焊接端口阀门时，请在型号的括号内加上“WE”。如果有需要，可根据要求提供特殊的焊接端口细节。
| SCH | 2.5 A = 2.96 | 3 A = 3.59 | 4 A = 4.62 | 6 A = 6.78 | 8 A = 8.78 | 10 A = 10.94 | 12 A = 12.97 | |||||||
| B | t | B | t | B | t | B | t | B | t | B | t | B | t | |
| 40 | 2.469 | 0.203 | 3.068 | 0.216 | 4.026 | 0.237 | 6.065 | 0.280 | 7.981 | 0.322 | 10.020 | 0.365 | 11.938 | 0.406 |
| 60 | 7.813 | 0.406 | 9.750 | 0.500 | 11.626 | 0.562 | ||||||||
| 80 | 2.323 | 0.276 | 2.900 | 0.300 | 3.826 | 0.337 | 5.761 | 0.432 | 7.625 | 0.500 | 9.562 | 0.594 | 11.374 | 0.688 |
| 100 | 7.437 | 0.594 | 9.312 | 0.719 | 11.062 | 0.844 | ||||||||
| 120 | 3.624 | 0.438 | 5.501 | 0.562 | 7.187 | 0.719 | 9.062 | 0.844 | 10.750 | 1.000 | ||||
| 140 | 7.001 | 0.812 | 8.750 | 1.000 | 10.500 | 1.125 | ||||||||
| 160 | 2.125 | 0.375 | 2.624 | 0.438 | 3.438 | 0.531 | 5.187 | 0.719 | 6.813 | 0.906 | 8.500 | 1.125 | 10.126 | 1.312 |
| STD | 2.469 | 0.203 | 3.068 | 0.216 | 4.026 | 0.237 | 6.065 | 0.280 | 7.981 | 0.322 | 10.020 | 0.365 | 12.000 | 0.375 |
| XS | 2.323 | 0.276 | 2.900 | 0.300 | 3.826 | 0.337 | 5.761 | 0.432 | 7.625 | 0.500 | 9.750 | 0.500 | 11.750 | 0.500 |
| XXS | 1.771 | 0.552 | 2.300 | 0.600 | 3.152 | 0.674 | 4.897 | 0.864 | 6.875 | 0.875 | 8.750 | 1.000 | 10.750 | 1.000 |
| SCH | 14 A = 14.25 | 16 A = 16.25 | 18 A = 18.28 | 20 A = 20.31 | 24 A = 24.38 | 30 A = 30.38 | 36 A = 36.50 | |||||||
| B | t | B | t | B | t | B | t | B | t | B | t | B | t | |
| 10 | 29.376 | 0.312 | 35.376 | 0.312 | ||||||||||
| 20 | 19.250 | 0.375 | 23.250 | 0.375 | 29.000 | 0.500 | 35.000 | 0.500 | ||||||
| 30 | 13.250 | 0.375 | 15.250 | 0.375 | 19.000 | 0.500 | 22.875 | 0.562 | 28.750 | 0.625 | 34.750 | 0.625 | ||
| 40 | 13.124 | 0.438 | 15.000 | 0.500 | 16.876 | 0.562 | 18.812 | 0.594 | 22.624 | 0.688 | 34.500 | 0.750 | ||
| 60 | 12.812 | 0.594 | 14.688 | 0.656 | 16.500 | 0.750 | 18.376 | 0.812 | 22.062 | 0.969 | ||||
| 80 | 12.500 | 0.750 | 14.312 | 0.844 | 16.124 | 0.938 | 17.938 | 1.031 | 21.562 | 1.219 | ||||
| 100 | 12.124 | 0.938 | 13.938 | 1.031 | 15.688 | 1.156 | 17.438 | 1.281 | 20.938 | 1.531 | ||||
| 120 | 11.812 | 1.094 | 13.562 | 1.219 | 15.250 | 1.375 | 17.000 | 1.500 | 20.376 | 1.812 | ||||
| 140 | 11.500 | 1.250 | 13.124 | 1.438 | 14.876 | 1.562 | 16.500 | 1.750 | 19.876 | 2.062 | ||||
| 160 | 11.188 | 1.406 | 12.812 | 1.594 | 14.438 | 1.781 | 16.062 | 1.969 | 19.312 | 2.344 | ||||
| STD | 13.250 | 0.375 | 15.250 | 0.375 | 17.250 | 0.375 | 19.250 | 0.375 | 23.250 | 0.375 | ||||
| XS | 13.000 | 0.500 | 15.000 | 0.500 | 17.000 | 0.500 | 19.000 | 0.500 | 23.000 | 0.500 | 29.000 | 0.500 | 35.000 | 0.500 |
| 阀门公称通径A和B尺寸上的公差 Tolerance on A & B Diameters by Valve Nominal Pipe Size | ||||
| 2.5 - 4 | 6 - 10 | 12 - 18 | 20 - 36 | |
| A | +0.09/-0.03 | +0.16/-0.03 | +0.16/-0.03 | +0.16/-0.03 |
| B | +/-0.03 | +/-0.03 | +/-0.06 | +0.12/-0.06 |
