The Top entry ball valves
are designed for easy maintenance in the pipeline, When the ball valve needs to be repaired in the pipeline, it is not necessary to remove the valve from the pipeline. It is only necessary to remove the middle flange bolt and nut, take the bonnet and the stem assembly together from the top entry ball valve
body, and then take out the ball and valve, the ball and seat can be repaired online. This maintenance saves time and minimizes the cost.