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What to do if the ball valve doesn’t close properly?
If the ball valve doesn’t close properly, try cleaning, adjusting, or replacing the seal first. If these steps don’t work, the entire valve needs to be replaced. Before repairs, make sure to turn off the main water supply valve and choose the appropriate method based on the situation.
**Repair Steps and Methods:**
1. **Turn off the main valve and conduct a preliminary inspection:** First, close the main valve of the relevant water pipe to ensure safety. Then check if the handle is loose and try tightening it or the related screws. If the valve still doesn’t close properly, use tools like a wrench or pliers to adjust the position of the handle or valve core.
2. **Dismantle for inspection and cleaning:** If the initial adjustments aren’t effective, disassemble the valve. Check if the valve core is corroded or stuck with foreign objects. If there’s corrosion, apply some lubricant to resolve the issue. If there are impurities like scale or rust, thoroughly clean the valve core and sealing surfaces.
3. **Replace the seal:** If leaks persist after cleaning, check if the O-ring or valve core seal seat is damaged or worn out. Replacing it with a new seal of the same type is an effective solution.
4. **Replace the entire ball valve:** If the valve core is severely damaged, the valve body is cracked or deformed, or none of the above fixes work, replace the entire ball valve. After turning off the main valve, remove the old valve and install a new one of the same specifications.
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