reducer union
| 变径接头 | 200*110 | 4.94 |
| 200*160 | 4.94 | |
| 300*200 | 9.06 | |
| 400*200 | 16.47 | |
| 400*300 | 17.18 | |
| 变径接头配胶圈 | b500*300 | 52.94 |
| 变径接头配胶圈 | b500*400 | 52.94 |
| 变径接头配胶圈 | b500*500 | 52.94 |
| 变径接头配胶圈 | b600*300 | 82.35 |
| 变径接头 | b600*400 | 82.35 |
| 变径接头配胶圈 | b600*400 | 82.35 |
| 变径接头配胶圈 | b600*500 | 82.35 |
| 变径接头配胶圈 | b800*600 | 211.76 |
| 变径接头 | b800*700 | 211.76 |