Sphere round ball valves with a band member for opening and closing the through-hole, turning ball valves with stem to realize the valve opening and closing action. Ball valves is evolved from the stopcock, also known as the spherical plug valves. Ball valve opening and closing parts as a sphere, use the ball valve around the stem axis rotated 90 degrees to achieve the purpose of opening and closing.

Cast Steel Floating Ball Valve

Ball valves in the pipeline is mainly used for cutting, distribution and change the direction of media flow, designed ball valve V-shaped opening also has a good flow regulation. Just use the rotary valve 90-degree operation and a small torque can be closed tightly. The body cavity of full equality for the media to provide a little resistance, through the flow channel. Ball valve is not only simple structure, good sealing performance, but also to some of the smaller nominal inside passage through the range size, light weight, less material consumption, small installation size, and the drive torque is small, simple, easy to open and close fast, easy to operate and maintenance for water, solvents, acids, and natural gas general working media, but also to poor working conditions of media, such as oxygen, hydrogen peroxide, methane and ethylene. Ball valve can be integral, it can also be modular.

Ball valves is the advent of the 1950s a new type of valve. In just 30 years, it is one of the valves of the fastest growing breed of the past decade. Especially in the United States, Germany, Japan, France, Italy, Spain, Britain and other industrialized countries, the ball valve is widely used, the use of the variety and quantity continues to expand, and to high temperature, high pressure, big mouth by the high tightness, long life, excellent performance and adjust a valve multi-direction, its reliability and other performance indicators have reached a higher level, and has been partially replaced valve, globe valve, throttle. It is in many ways aerospace, petrochemical, long-distance pipelines, light food and building have been widely used. This is because, compared with other ball valves, with a number of outstanding advantages.

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