减径管
| 编码 | 尺寸(mm) | Color |
| 121.1G.206.BAO | 75×50 | Grey |
| 121.1G.206.CAO | 110×50 | Grey |
| 121.1 G.206.CBO | 110×75 | Grey |
| 121.1 G.206.DCO | 125×110 | Grey |
| 221.1G.206.DBO | 125×75 | Grey |
| 221.1G.206.EBO | 160-75 | Grey |
| 221.1G.206.ECO | 160×110 | Grey |
| 221.1G.206.EDO | 160×125 | Grey |
| 221.1g.206.FBO | 200×75 | Grey |
| 221.1G.206.FCO | 200×100 | Grey |
| 221.1G .206.FDO | 200×125 | Grey |
| 221.1G.206.FDO | 200×160 | Grey |
