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| 公称通径 | D | 公称压力 | 基本尺寸 |  
| D O | L | n—¢ |  
| 50 | 57 |  | 125 | 65 | 4—¢18 |  
| 50 | 60 |  | 125 | 65 | 4—¢1 8 |  
| 65 | 76 |  | 145 | 65 | 4—¢ 18 |  
| 80 | 89 |  | 160 | 65 | 8—¢ 18 |  
| 100 | 108 |  | 180 | 70 | 8—¢ 18 |  
| 100 | 114 |  | 180 | 70 | 8—¢ 18 |  
| 125 | 133 | 2.5 | 210 | 70 | 8—¢ 18 |  
| 125 | 140 | 210 | 70 | 8—¢ 18 |  
| 150 | 159 |  | 240 | 70 | 8—¢ 22 |  
| 150 | 165 |  | 240 | 70 | 8—¢ 22 |  
| 150 | 168 |  | 240 | 70 | 8—¢ 22 |  
| 200 | 219 |  | 295 | 80 | 12 —¢ 22 |  
| 250 | 273 |  | 355 | 85 | 12 —¢ 25 |  
| 300 | 325 | 1.6 | 410 | 90 | 12 —¢ 25 |  
| 350 | 377 | 470 | 100 | 16 —¢ 25 |  
| 400 | 426 |  | 525 | 110 | 16 —¢ 30 |  
| 450 | 480 |  | 585 | 115 | 20 —¢ 30 |  
| 500 | 530 |  | 650 | 125 | 20 —¢ 34 |  
| 600 | 630 |  | 770 | 13 5 | 20 —¢ 41 |  |  |  |