| Media: | Oil,Water,Acid,Gas |
|---|---|
| Temperature: | Ordinary Temperature |
| Material: | Cast Iron |
| Connection Form: | Flange |
| Structure: | Butterfly |
| Pressure: | Ordinary Temperature |
| Customization: |
|---|
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Possible faults, causes and remedies
| Leakage at the connection between valve body and valve cover | valve disc and seat sealing surface leakage |
| (1) If the nut is not tight or the tightness is uneven, it can be readjust. | (1) There is dirt between the sealing surface, which can be cleaned.2, valve disc and seat sealing surface leakage |
| (2) If there is damage or dirt on the flange sealing surface, the sealing surface should be modified or dirt should be removed. | (2) If the sealing surface is damaged, it shall be re-ground or re-surfacing and processed. |
| (3) If the gasket is damaged, a new gasket should be replaced. |
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