China • Yuanda Valve Group Co., Ltd.
Hundreds of Yuanda, Lean Change. Choosing Yuanda Means Reliable. The group attaches importance to the construction of corporate culture, and has three value concepts of "development concept", "people
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The function of butterfly check valve is to only allow the medium to flow in one direction and prevent the flow in one direction. Usually, this kind of valve works automatically. Under the action of fluid pressure flowing in one direction, the valve disc opens; When the fluid flows in the opposite direction, the fluid pressure and the self weight of the valve disc act on the valve seat, so as to cut off the flow
| Body | Gery Iron,Ductile Iron |
| Disc | Ductile Iron |
| Spring | Stainless steel |
| Ring | NBR |
| stem | steel |
| Type | Pressure | Shell test | seal test | temperature | medium |
| DH77X-10 | 1.0mpa | 1.5 mpa | 1.1 mpa | ≤80℃ | water |
| DH77X-16 | 1.6mpa | 2.4 mpa | 1.8 mpa | ≤80℃ | water |
