What Is a Top Entry Ball Valve?

Top entry ball valve is popular during the developing process of a variety of industries. As it can be installed on the surfaces of the pipeline, the work for installation or maintenance is rather convenient with easy access https://www.superiorballscrewrepair.com. When the valve fails to work, workers just remove the attaching nuts or bolts or screws, check for the fault and repair the valve seat or valve body or other part on the line. Such great efficient can effectively reduce the loss for the manufacturing process. As a result, there is no doubt that the valve has been widely used for oil and gas pipelines for industries or systems such as the oil production, oil refining, petrochemical, chemical, chemical fiber, metallurgy, electricity, nuclear power, food or paper industry.

Top entry ball valve can be classified into two main types. They are the top entry floating ball valve and the top entry fixed ball valve. For the former type, a compressed spring is used to carry force to the valve body so as to attach the surface of the valve seat tightly. Therefore, the valve seat would stayed consistently, resulting in good tightness. And an o-ring on the back of the seal surface of the valve seat is adopted to lower the compressing force and ensure the no leakage as well. For the latter type, the ball is fixed and the valve seat is removable. The spring located on the ball is greatly compressed and adjusting screw is connected with the spring. They cooperate well inside the valve body. It does great help during the installation process.

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