


法兰连接尺寸
| DN | D1 | K | D | b | f | n-d | L | H | 
| 25 | 65 | 85 | 115 | 16 | 3 | 4φ14 | 160 | 180 | 
| 32 | 76 | 100 | 140 | 18 | 3 | 4φ18 | 180 | 195 | 
| 40 | 84 | 110 | 150 | 18 | 3 | 4φ18 | 200 | 205 | 
| 50 | 99 | 125 | 165 | 20 | 3 | 4φ18 | 230 | 220 | 
| 65 | 118 | 145 | 185 | 20 | 3 | 4φ18 | 290 | 245 | 
| 80 | 132 | 160 | 200 | 20 | 3 | 4φ18 | 310 | 
 | 
| 100 | 156 | 180 | 220 | 22 | 3 | 4φ18 | 350 | 
 | 
| 125 | 184 | 210 | 250 | 22 | 3 | 4φ18 | 400 | 
 | 
| 150 | 211 | 240 | 285 | 24 | 3 | 4φ22 | 480 | 
 | 
| 200 | 266 | 295 | 340 | 24 | 3 | 4φ22 | 495 | 
 | 
| 250 | 319 | 355 | 405 | 26 | 3 | 4φ26 | 622 | 
 | 
| 300 | 370 | 410 | 460 | 28 | 4 | 4φ26 | 698 | 
 | 
| 350 | 429 | 470 | 520 | 30 | 4 | 4φ26 | 787 | 
 | 
| 400 | 480 | 525 | 580 | 32 | 4 | 4φ30 | 914 | 
 | 
| 450 | 548 | 585 | 640 | 34 | 4 | 4φ30 | 978 | 
 | 
| 500 | 609 | 650 | 715 | 36 | 4 | 4φ33 | 978 | 
 | 
| 600 | 720 | 770 | 840 | 38 | 5 | 4φ36 | 1295 | 
 |