规格参数
| 规格(mm) | ||
| dn25×20 | dn32×20 | dn32×25 |
| dn40×20 | dn40×25 | dn40×32 |
| dn50×20 | dn50×25 | dn50×32 |
| dn50×40 | dn63×25 | dn63×32 |
| dn63×40 | dn63×50 | dn75×40 |
| dn75×50 | dn75×63 | dn90×50 |
| dn90×63 | dn90×75 | dn110×63 |
| dn110×75 | dn110×90 | dn125×75 |
| dn125×90 | dn125×110. | dn140×90 |
| dn140×110 | dn140×125. | dn160×110 |
| dn160×125 | dn160×140 | dn200×110 |
| dn200×160 | ||
