Ball Valve

A ball valve, created in the 1950s, is a valve with a round disc. With the rapid development of technology and the ceaseless improvement of processing method and product structure, the ball valve has been one kind of main valves in recent years. Currently it is useful with agrowing speed at home and abroad. The ball valve is usually used in different productions.

The ball valve is commonly used in different productions, such as petroleum refining, long-distance transport pipes, chemical, paper making, pharmacy, water treatment system, electricity and so on.

Inside the ball valve, there is a ball that has a port, which is actually a hole at the middle. When this hole is aligned with both valve ends, liquid can flow easily through it. After the valve has been closed, the hole becomes perpendicular to the valve ends impeding the flow of liquid.

A ball valve, one type of quarter turn valve, is quite literally a ball placed in a passageway through which fluid flows. The ball has a hole, by which the valve opens and closes. When the ball is positioned in this way where the hole runs the same direction as the passageway, the fluid simply flows through the hole, and the valve is open. However, when the ball is positioned in this way where the hole is perpendicular to the passageway, the fluid cannot pass through, and the valve is closed. The ball is controlled from outside of the valve, often with a handle that can be turned 90 degrees, or a quarter turn, back and forth for opening and closing the valve. Therefore, ball valve is an excellent choice for shutoff applications.

There are two types of ball valves: the full port and the standard port. A full port ball valve makes use of an oversize ball in order to allow unrestricted flow. The size of the ball and the pipeline are identical, so this has a lower loss of friction. A standard port, on the other hand, has a slightly controlled flow and makes use of a smaller ball. This ball is smaller than the pipeline, and it also has a smaller port. The valve's pipe is one pipe size bigger than the standard port in which the liquid flows.

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