What is a Ball valve?

A ball valve is a valve that has a spherical (ball-shaped) valve with a hole in the center and is sandwiched between seats (valve seats) in a body (valve box). By rotating the ball of the valve body 90 degrees, the fluid such as liquid or gas is cut off and the flow path is closed. A ball valve is a JIS B0100 valve term Glossary of terms for valves, and states that it is a general term for valves in which a spherical valve disc rotates around a valve stem in the valve body. is stipulated. Since the ball of the valve body does not remain in the flow path when the valve is opened, the pressure loss is small.

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