產(chǎn)品中心
product center
| 產(chǎn)品代碼 | 公稱通徑DN(mm) | 外徑（mm) |
| B30-13159133 | 150x125 | 159x133 |
| B30-13219133 | 200x125 | 219x133 |
| B30-13219159 | 200x150 | 219x159 |
| B30-13273133 | 250x125 | 273x133 |
| B30-13273159 | 250x150 | 273x159 |
| B30-13273219 | 250x200 | 273x219 |
| B30-13325133 | 300x125 | 325x133 |
| B30-13325159 | 300x150 | 325x159 |
| B30-13325219 | 300x200 | 325x219 |
| B30-13325273 | 300x250 | 325x273 |