美洲法兰体系美国ANSI管法兰公称直径及匹配的管子系列尺寸见下表所示。
| CLASS 150Lb | |||||||||||||||||||
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
D | 89 | 99 | 108 | 117 | 127 | 152 | 178 | 191 | 229 | 254 | 279 | 343 | 406 | 483 | 533 | 597 | 635 | 699 | 813 |
| D1 | 60.5 | 69.9 | 79.2 | 88.9 | 98.6 | 120.7 | 139.7 | 152.4 | 190.5 | 215.9 | 241.3 | 298.5 | 362.0 | 431.8 | 476.3 | 539.8 | 577.9 | 635 | 749.3 |
| D2 | 35 | 43 | 51 | 64 | 73 | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | 533 | 584 | 692 |
| b | 10 | 10.5 | 11.5 | 13 | 14.5 | 16 | 18 | 19.5 | 24 | 24 | 25.5 | 28.5 | 30.5 | 32 | 35.5 | 37 | 40 | 43 | 48 |
| f | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| d | 16 | 16 | 16 | 16 | 16 | 19 | 19 | 19 | 19 | 22 | 22 | 22 | 25 | 25 | 28 | 28 | 32 | 32 | 35 |
| 孔数 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 12 | 12 | 12 | 16 | 16 | 20 | 20 |
CLASS300Lb | |||||||||||||||||||
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
D | 95 | 117 | 124 | 133 | 155 | 165 | 191 | 210 | 254 | 279 | 318 | 381 | 445 | 521 | 584 | 648 | 711 | 775 | 914 |
| D1 | 67 | 83 | 89 | 99 | 114 | 127 | 149.4 | 168.1 | 200.2 | 235 | 269.7 | 330.2 | 387.4 | 450.9 | 514.4 | 571.5 | 628.7 | 685.8 | 812.8 |
D2 | 35 | 43 | 51 | 64 | 73 | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | 533 | 584 | 692 |
| b | 14.5 | 16 | 18 | 19.5 | 21 | 22.5 | 25.5 | 28.5 | 32 | 35.5 | 37 | 41.5 | 48 | 51 | 54 | 57.5 | 60.5 | 63.5 | 70 |
| f | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 |
| d | 16 | 19 | 19 | 19 | 22 | 19 | 22 | 22 | 22 | 22 | 22 | 25 | 28 | 32 | 32 | 35 | 35 | 35 | 41 |
| 孔数 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 12 | 12 | 16 | 16 | 20 | 20 | 24 | 24 | 24 |
| CLASS600L | |||||||||||||||||||
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| NPS | 1/2 | 3/4 | 1 | 11/4 | 11/2 | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
| D | 95 | 117 | 124 | 133 | 155 | 165 | 191 | 210 | 273 | 330 | 356 | 419 | 508 | 559 | 603 | 686 | 743 | 813 | 940 |
| D1 | 66.5 | 82.6 | 88.9 | 98.6 | 114.3 | 127 | 149.4 | 168.1 | 215.9 | 266.7 | 292.1 | 359.3 | 431.8 | 489 | 527.1 | 603.3 | 654.1 | 723.9 | 838.2 |
D2 | 35 | 43 | 51 | 64 | 73 | 92 | 105 | 127 | 157 | 186 | 216 | 270 | 324 | 381 | 413 | 470 | 533 | 584 | 692 |
| b | 14.5 | 16 | 18 | 21 | 22.5 | 25.5 | 28.5 | 32 | 38.5 | 44.5 | 48 | 56 | 63.5 | 67 | 70 | 76.5 | 83 | 89 | 102 |
| f | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 |
| d | 16 | 19 | 19 | 19 | 22 | 19 | 22 | 22 | 25 | 28 | 28 | 32 | 35 | 35 | 38 | 41 | 44 | 44 | 51 |
| 孔数 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 12 | 12 | 16 | 20 | 20 | 20 | 20 | 24 | 24 |
摘录：宜兴市宙斯泵业
2025年11月25日
