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Electric ball valve evolved from related products
When it comes to electric ball valves, it also comes with a bit of history. It is evolved from a plug valve, with the same rotation of 90 degrees, except that the plug body is a sphere, with a circular through hole or passage through its axis. When the ball is rotated 90 degrees, all the spheres at the entrance and exit should be spherical, thus cutting off the flow.
The first thing to say is that the electric ball valve can be closed tightly with only a 90 degree rotation and a small torque. The completely equal valve body cavity provides a small, straight flow path for the medium. It is generally considered that ball valves are most suitable for opening and closing directly, but recent developments have designed the ball valve to be used for throttling and controlling flow. The main characteristics of the ball valve are its compact structure, easy operation and maintenance, suitable for general media such as water, solvent and natural gas, and also suitable for working medium with poor working conditions such as oxygen, methane and ethylene. The ball valve body can be integral or modular.
The principle of the ball valve is to rely on a rotary valve to make the valve open or blocked. This is the same whether it is electric or pneumatic ball valve. The ball valve is light and compact, and it is not easy to be eroded by the medium. Therefore, it has been widely used in various industries.
In fact, the ball valve type is just a classification in the regulating valve. The ball valve is called because it is shaped like a ball, and the sealing surface and the ball surface are often in a closed state. This is called for convenience.
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