The working principle of the manual ball valve is to rotate the valve ball to open or block the valve.

The closing part of the manual ball valve is a ball. The ball rotates around the center line of the valve body to open and close the valve.

Manual ball valves can be divided into two, three and four-way according to their channel positions.

The manual ball valve consists of a valve body, a valve cover and a rotating ball. Common materials include brass, carbon steel, stainless steel, alloy steel, cast iron and cast steel. Its advantages are simple structure, good sealing and long service life.