规格参数
| 公称压力 | ?规格(mm) | ||
| ?SDR11 | dn75×50 | dn75×63 | dn90×50 |
| dn90×63 | dn90×75 | dn110×50 | |
| dn110×63 | dn110×75 | dn110×90 | |
| dn125×63 | dn125×75 | dn125×90 | |
| dn125×110 | dn140×90 | dn140×110 | |
| dn140×125 | dn160×110 | dn160×125 | |
| dn160×140 | dn180×110 | dn180×140 | |
| dn180×160 | dn200×90 | dn200×110 | |
| dn200×160 | dn200×180 | dn225×160 | |
| dn225×200 | dn250×110 | dn250×160 | |
| dn250×200 | dn250×225 | dn315×160 | |
| dn315×200 | dn315×225 | dn315×250 | |
| ?SDR13.6 | dn355×315 | ||
| ?SDR17 | dn400×200 | dn400×250 | dn400×315 |
