Ball Valve

A valve using a spherical closure element which is rotated through 90° to open and close the valve.

Photograph courtesy of Valtorc.com

Ball

The closure element of a ball valve.

Floating Ball

A ball valve design in which the ball is not rigidly held on its rotational axis and so is free to float between the seat rings.

Trunnion

The part of a ball valve which holds the ball on a fixed vertical axis and about which the ball turns.


See also: Flow Control Valve.

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Subjects: Mechanical Engineering


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Valtorc International A major supplier in the industrial control and actuated valves market worldwide supplying ARRA CERTIFIED Ball Valves, Butterfly Valves, V-Port Ball Valves and many more American made products since 1980.