

▶主要外形及连接尺寸表 (JB/T 79-94)
| 公称通径 DN(mm) | 尺寸(mm) | |||||
| L | D | D1 | D2 | b | Z-φd | |
| 15 | 140 | 95 | 65 | 45 | 16 | 4-φ14 |
| 20 | 140 | 105 | 75 | 55 | 16 | 4-φ14 |
| 25 | 160 | 115 | 85 | 65 | 16 | 4-φ14 |
| 32 | 165 | 135 | 100 | 78 | 18 | 4-φ18 |
| 40 | 180 | 145 | 110 | 85 | 18 | 4-φ18 |
| 50 | 200 | 160 | 125 | 100 | 18 | 4-φ18 |
| 65 | 220 | 180 | 145 | 120 | 18 | 4-φ18 |
| 80 | 250 | 195 | 160 | 135 | 20 | 8-φ18 |
| 100 | 280 | 215 | 180 | 155 | 20 | 8-φ18 |
| 125 | 320 | 245 | 210 | 185 | 22 | 8-φ18 |
| 150 | 360 | 280 | 240 | 210 | 24 | 8-φ23 |
| 200 | 400 | 335 | 295 | 265 | 26 | 12-φ23 |