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What is the reason why bidirectional sealed butterfly valves are widely used in the petrochemical industry?

2023-04-13 09:11:40
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What is the reason why bidirectional sealed butterfly valves are widely used in the petrochemical industry?
1、 Strong adaptability: Bidirectional sealed butterfly valves can adapt to various media, including gas, liquid, and suspended solid particles. In the petrochemical industry, due to the wide variety of media, such as crude oil, liquefied gas, acid-base, etc., a valve that can widely adapt to different media is needed, and a two-way sealed butterfly valve can meet this demand.
2、 Good sealing performance: The bidirectional sealing butterfly valve adopts a special sealing structure, which can effectively prevent medium leakage. Firstly, the sealing surface of the bidirectional sealing butterfly valve is bidirectional, that is, there are sealing surfaces on the valve seat and valve plate, which can ensure bidirectional sealing in any closed state and improve sealing performance. Secondly, the sealing materials of bidirectional sealing butterfly valves generally use high-temperature and corrosion-resistant materials, such as PTFE, polytetrafluoroethylene, etc., which can effectively prevent medium leakage and corrosion.

3、 Simple structure and small volume: The structure of a bidirectional sealed butterfly valve is relatively simple, with only a few main components, mainly including the valve body, valve plate, valve stem, and sealing parts, making manufacturing and installation more convenient. Meanwhile, due to the relatively small volume of the bidirectional sealed butterfly valve, it can save space and is particularly suitable for occasions with limited installation space.
4、 Convenient operation and light opening and closing: The operation of a bidirectional sealed butterfly valve is relatively simple, and it can be opened and closed by simply rotating the valve stem, which can save manpower, time, and cost in practical operation. In addition, the bidirectional sealing butterfly valve has a smaller opening and closing torque, making it more lightweight compared to other valves, such as gate valves. This is more convenient for operators, especially in situations where frequent opening and closing are required, which can improve work efficiency.
5、 Low maintenance cost: The maintenance cost of bidirectional sealed butterfly valves is relatively low. Due to the simple structure of the bidirectional sealed butterfly valve, maintenance and replacement of components are relatively easy, and the cost of components is relatively low. In addition, the sealing method of the bidirectional sealing butterfly valve is reliable, which can effectively prevent leakage and wear, extend service life, and reduce maintenance frequency and cost.
In summary, the reason why bidirectional sealed butterfly valves are widely used in the petrochemical industry is due to their advantages such as strong adaptability, good sealing performance, simple structure, small volume, convenient operation, light opening and closing, and low maintenance cost. These advantages make bidirectional sealed butterfly valves an indispensable valve in the petrochemical industry.

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