This valve is applicable to pipeline of water and steam medium which nominal pressure is ≤ 1.6 Mpa, It can be used to prevent homomallous opening and dosing of medium back wash.
Part material
| Body | GG25 /GGG50 |
| Cover | GG25/ GGG50 |
| Seat ring | SS420 |
| Spring | SS304 |
| Disc+Disc Ring | SS420/A105+SS420 |
| Face to face | DIN3202-F1 |
| Flange end | BS EN 1092-2 |
| Norminal pressure | 1.6 mpa |
| seal test (water) | 1.8 mpa |
| Shell test (water) | 2.4 mpa |
| Suitable temperature | 0-200℃ |
| Suitable medium | water,steam oil |



