Do you know the advantages of cemented carbide ball?
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Do you know the advantages of cemented carbide ball?
Some cemented carbide ball, also known as cemented carbide ball valves, are evolved from the traditional plug valves. Their opening and closing parts are a ball, which can be opened and closed by the ball around the axis of the valve stem. Today, we will talk about the advantages of cemented carbide ball in detail.
High precision tungsten cobalt cemented carbide valve ball is widely used in oil drilling, deep-sea drilling pump valve ball, ball seat, is also one of the most important parts of the pump. Due to the harsh working environment and conditions in the oil drilling industry, there is usually water, various gases, wax, sand, and other highly corrosive substances in sand bearing wells, heavy oil wells, and high-pressure anti drainage wells. The oil pump needs to extract oil from hundreds or even thousands of strata, which requires its valve ball and seat to have good sealing performance wear, and corrosion resistance.
The main advantages of cemented carbide ball valve are as follows:
1. It has the lowest flow resistance in theory;
2. Excellent chemical stability, wear resistance and corrosion resistance. It can contact with most liquids and some corrosive media;
3. In the high temperature and high pressure environment, it can still achieve complete sealing;
4. Because the ball is used as the opening and closing part of cemented carbide ball valve, it is less affected by friction, and can realize fast opening and closing, and the impact of operation is small. In addition, the spherical closing part can bear higher pressure difference when closing, and can also realize automatic positioning;
5. It has two-way sealing, making the work more stable and reliable.
Use occasion
Application of several common cemented carbide ball valves:
1. Cemented carbide ball valve should be used in the pipeline system with double position adjustment, high sealing performance requirements, quick opening and closing (1 / 4 turn opening and closing), large pressure difference, small operating torque, small flow resistance, cavitation or vaporization;
2. In the pipeline with certain corrosive medium;
3. In cryogenic device or high temperature and high pressure pipeline system;
4. The full diameter welded hard alloy ball valve can be used in oil pipeline and gas pipeline, and it needs to be buried underground;
5. The specially designed V-shaped opening structure cemented carbide ball valve can also have certain adjustment function.
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