1. Identify the Type of Handle:

If the ball valve has a lever handle, it usually operates with a quarter-turn motion.

2. Determine the Open or Closed Position:

3. Turn the Handle:

For a lever handle, turn it clockwise to close the valve and counterclockwise to open it. Remember, it's usually a quarter-turn motion.

4. Use a Wrench if Needed:

5. Be Mindful of the Threads:

6. Close the Inlet/Outlet: