Flange Ball Valve: a Special Type Of Valve

Flange Ball Valve: a Special Type Of Valve

A ball valve is an isolating valve used to open and close the flow of process media through the piping system. The ball valve is manufactured according to different designs and standard materials. This design and material have a great influence on the application range of the ball valve. A flanged ball valve refers to a ball valve with flanged ends. It belongs to the classification of end entry valves and is mainly used for closing applications of most hydraulic circuits. When needed, the flange-type ball valve can fully open and close the operating fluid, and can most effectively achieve leak-tight closing. It is generally not suitable for regulating and throttling purposes.

Flange ball valve products can use various standard materials such as carbon steel and stainless steel. The most common reasons for the above materials are their high temperature and corrosion resistance. However, ball valves made of polymer materials are more durable in application than other types of ball valves.

Flange ball valves are widely used in fluid and gas fields. Some gas types flanged ball valves usually handle natural gas, propane-butane, lighting gas, and biogas. In addition, these ball valves effectively monitor the flow of oxygen, water, steam, and other corrosive and non-corrosive liquids. Some industrial facilities that use flanged ball valves are energy supply and power plants, pipeline construction, sewage treatment plants, steelwork facilities, and power stations.

The main components of the flange ball valve are the valve body, the valve cover, the ball valve, the valve seat, and the valve stem. The bonnet is equipped with a flange, which is mainly used to install the valve into the piping system. Flange ball valves can be manually operated by positioning their levers at specific angles in the open and closed positions. This type of ball valve can also be operated by using electric or pneumatic actuators. The size of valve flanges used for actuator installation can vary, but usually, they must comply with certain standards. For flanged ball valves, the correct actuator size should be determined based on the maximum applied pressure drop through the ball.

The flanged ball valve is an important part of the technological process. If the ball valve cannot provide absolute closure, leakage will occur and may cause corrosion. The occurrence of corrosion in the mobile system will not only cause serious damage to the equipment but also cause serious damage to the infrastructure and the environment. If the flange ball valve does not work properly, it will cause irregular maintenance and increase operating costs. Therefore, the high-performance flanged ball valve is reliable, easy to maintain, and can be used for a long time.

The high-quality flanged ball valve unit can withstand the temperature and pressure generated by the specific service liquid flows. In terms of installation, many types of flanged ball valves can be installed in any position of the piping system. The best ball valve products on the market require very few adjustments after installation. It is expected to be simple, easy to operate, compact, and can be used in most flow control applications. These devices provide fast-rotating operations and require minimal pressure drop.

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