Product Description
| Nominal pressure (Mpa) | Nominal Diameter (mm) | Applicable Medium |
| 1 | 80~400 | Sea water,fresh water,oil |
| Parts name | Materail | |
| Name | Marks | |
| Body/cover | Nodular cast iron | QT400-15 |
| Disc | Cast steel | ZG230-450 |
| Stem/Nut | Aluminum bronze | CuAl9Mn2 |
| Seal ring | Stainless steel | 1Cr18Ni9Ti,2Cr13 |