Ball valve
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A ball valve, also known as cone valve, is a flow control device which operates using a spherical ball with a hole through the middle. When the valve handle is turned, the ball rotates to align the bo
Automated three-way ball valve
Ball for a titanium ball valve
Balls for alloy ball valves
Butterfly valve
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A butterfly valve is a valve that isolates or regulates the flow of a fluid. The closing mechanism is a disk that rotates.
Ball valve
…with a "ball-check valve", a type of check valve that uses a solid ball to prevent undesired backflow. Other types of quarter-turn valves include the butterfly valve and plug valve and freeze proof ball valve. There are five general body styles of ball valves: single body, three-piece body, split body, top entry…
Large butterfly valve used on a hydroelectric power station water inlet pipe in Japan.
Duplex valve in wafer butterfly configuration.
Cast iron butterfly valve
Cast iron butterfly valve