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Ball valve overview and working principle



Ball valve overview:
Standard GB/T21465-2008 "valve terminology" is defined as: "open and close parts (spheres) driven by the stem, and around the axis of the stem to rotate the valve.". The ball valve is mainly used for cut off or connected to the line of medium, can also be used to regulate and control fluid, strong shear force between the metal seat seal V type ball valve V type ball core and welding hard alloy, especially suitable for containing fibers, small solid particles and other media. Switch and multi way valve in the pipeline not only can flow, and flow diversion, flexible control of the medium, but also to turn off any channel to the other two channels. This kind of valve should be installed horizontally in the pipeline. Ball valve categories: pneumatic ball valve, electric ball valve, manual ball valve and turbine driven ball valve.
The working principle of ball valve:
The ball valve has an action of rotating 90 degrees. The cock body is a sphere and has a round through hole or passage through its axis. Ball valve in the pipeline is mainly used to do cutting, distribution and change the direction of media flow, it only need to rotate 90 degrees of operation and a small rotating torque can be closed tight. Ball valve is the most suitable switch, shut-off valve, but the recent development of the ball valve has been designed so that it has throttling and control flow, such as V ball valve.