Ball Valve Manufacturer in India are on/off mechanisms with a quarter-turn. The valve's movable ball in the centre regulates the flow of gas or liquid media.The rotating ball, often referred to as a rotary ball, has a bore in the middle. The ball is rotated to open or close the valve via a stem on its top. The stem can be turned manually or automatically using levers. https://www.kaizenengineering.co.in/ball-valve.html