Ball valve facts for kids
A ball valve is a kind of valve that has a ball in it, and the ball has a hole in the middle.
When the valve handle turns one way, the hole opens up the valve and water or gas can go through.
When the valve handle turns the other way, the ball blocks the water or gas, and the valve is closed.
Images for kids
See also
In Spanish: Válvula de bola para niños
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Ball valve Facts for Kids. Kiddle Encyclopedia.