| 公称直径 | 法兰外径 | 孔距D2 | 内径 | T | n-Φ | ||||
| DN(mm) | D1 | GB | JIS | ANSI | D3 | GB | JIS | ANSI | |
| 32(11/4") | 140 | 100 | 100 | 88.9 | 33 | 35 | 4-Φ17 | 4-Φ17 | 4-Φ17 |
| 40(11/2") | 150 | 110 | 105 | 98.4 | 41.5 | 39 | 4-Φ19X25 | 4-Φ19X25 | 4-Φ19X25 |
| 50(2") | 160 | 125 | 120 | 120.7 | 50 | 40 | 4-Φ19X26.5 | 4-Φ19X26.5 | 4-Φ19X26.5 |
| 65(21/2") | 180 | 145 | 140 | 139.7 | 64 | 42 | 4-Φ19X26.5 | 4-Φ19X26.5 | 4-Φ19X26.5 |
| 80(4") | 200 | 160 | 150 | 152.4 | 77 | 42 | 8-Φ19X25 | 8-Φ19X25 | 4-Φ19X20 |
| 100(4") | 225 | 180 | 175 | 190.5 | 96 | 52 | 8-Φ19X32 | 8-Φ19X32 | 8-Φ19X32 |
| 125(5") | 255 | 210 | 210 | 215.9 | 120 | 61 | 8-Φ23X33 | 8-Φ23X33 | 8-Φ23X33 |
| 150(6") | 290 | 240 | 240 | 241.3 | 145 | 71 | 8-Φ23X34 | 8-Φ23X34 | 8-923X34 |
| 200(8") | 340 | 295 | 290 | 298.5 | 196.5 | 81 | 8-Φ23X33.5 | 12-Φ23X27 | 8-Φ23X33.5 |
| 250(10") | 420 | 350 | 355 | 362 | 245.5 | 110 | 12-Φ23.5X32 | 12-Φ23.5X32 | 12-Φ23.5X32 |
| 300(12") | 500 | 400 | 431.8 | 291.5 | 115 | 12-Φ28X48 | 12-Φ28X48 | ||
| 350(14") | 550 | 460 | 476.3 | 340 | 127 | 16-Φ26 | 12-Φ33 | ||
| 400(16") | 619 | 515 | 510 | 539.8 | 399 | 140 | 16-Φ36X52 | 16-Φ36X52 | 16-Φ36X52 |
| 450(18") | 655 | 565 | 565 | 577.9 | 446 | 150 | 20-Φ25 | 20-Φ27 | 16-Φ33 |
| 500(20") | 705 | 620 | 620 | 635 | 494 | 150 | 20-Φ26X33 | 20-Φ27X33 | 20-26X33 |
| 600(24") | 816 | 725 | 749.3 | 570 | 170 | 20-Φ28X38 | 20-Φ28X38 | ||
| 700(28") | 910 | 840 | 840 | 670 | 185 | 24-Φ33X44 | 24-Φ33X44 | ||
| 800(32") | 1055 | 960 | 950 | 977.9 | 755 | 240 | 24-Φ44.5X65 | 28-Φ36X52 | 24-Φ44.5X65 |
| 1000(40") | 1230 | 1160 | 1160 | 935 | 236 | 28-Φ36X52 | 28-Φ39 | ||
