Ball Valves, Butterfly Valves, Disk Valve

By | December 30, 2015

In a Ball valve spherical ball with passageway cut through center rotate to allow and control flow.  When the passageway is parallel to the direction of fluid motion, the valve is wide open; when the passageway is aligned perpendicular to the direction of fluid motion, the valve is fully shut (closed).

Below photographs are hand operated ball valve from fully closed to fully open position.

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