简体 中中
| CPVC Coupling Main Connection Dimension |
| DN | d* | Z | L | D | d2 |
| 15 | 20 | 16 | 35 | 27 | 18 |
| 20 | 25 | 19 | 40 | 32 | 23 |
| 25 | 32 | 22 | 47 | 40 | 30 |
| 32 | 40 | 26 | 55 | 50 | 38 |
| 40 | 50 | 31 | 65 | 61 | 47.5 |
| 50 | 63 | 38 | 80 | 75 | 60 |
| 65 | 75 | 44 | 92 | 88 | 72 |
| 80 | 90 | 51 | 107 | 104 | 86 |
| 100 | 110 | 61 | 127 | 127 | 105 |
| 125 | 140 | 76 | 158 | 161 | 134 |
| 150 | 160 | 86 | 180 | 184 | 154 |
| 200 | 225 | 119 | 247 | 249 | 219 |
| 250 | 280 | 146 | 300 | 309 | 275 |
| 300 | 315 | 163.5 | 338 | 346 | 310 |
| 350 | 355 | 184 | 380 | 392 | 349 |
| 400 | 400 | 206 | 430 | 440 | 393 |
