Most of the reasons for water leakage of PVC ball valves are caused by scale, impurities stuck on the gasket or aging of the gasket. In fact, replacing an O-ring or rubber gasket can solve the problem of water leakage. For the ball valve that is not tightly sealed due to the wear and tear of the valve for many years, it is necessary to find a professional person to replace the new ball valve.
The maintenance steps are as follows:
1. Turn off the main switch of the tap water at home, and then turn on the faucet to drain the water in the pipe.
2. After emptying the water in the pipe, use a sharp object in the middle of the red valve handle to pull out the small cover, then the screw will be exposed, then use a screwdriver to rotate counterclockwise, unscrew the screw and remove the valve handle.
3. After removing the valve handle, use toilet paper to dry the water inside, then squeeze the glass glue around the "shaft", then fill the recess of the ball valve with the excess glue with your fingers, and finally screw the valve handle. .
4. After the glue is dry, you can open the valve and use it normally.