fluorine lining gate valve

Development speed of fluorine-lined globe valve

by:Lianke Valve     2022-08-29
At present, the development speed of fluorine-lined globe valve is very fast, and its development direction is high-end, which is also for market demand, so what is the specific situation? China's valve manufacturing industry is facing the huge challenge of transforming to high-end, undertaking international advanced manufacturing and participating in international division of labor. Accelerating the research, development and production of industrial intelligent technology is the main way for China to seize this historical opportunity. Therefore, the development of my country's valve industry should be further implemented: First, industrial intelligent technology is the main means and approach for my country to transform from a manufacturing country to a manufacturing power. The government should have more policy and economic support for domestic industrial intelligence, and refer to foreign advanced experience. , increase technical investment and transformation; second, in the national scientific and technological development plan, we should continue to give strong support to intelligent research and development and application, and form a new situation in which products and automated manufacturing equipment are synchronized and coordinated; third, the pneumatic valve industry . The intelligent quality of electric valves has been comparable to that of foreign countries. When purchasing intelligent valves, enterprises should not blindly import them. They should comprehensively evaluate and revitalize domestic products based on domestic products. The fluorine-lined globe valve is a forced-sealing valve, so when the valve is closed, pressure must be applied to the valve disc to force the sealing surface not to leak. When the medium enters the valve body from under the valve disc, the resistance that the operating force needs to overcome is the friction force between the valve stem and the packing and the thrust generated by the pressure of the medium. The force to close the valve is greater than the force to open the valve, so the valve The diameter of the stem should be large, otherwise the failure of the top of the valve stem will occur. In recent years, since the emergence of self-sealing valves, the medium flow direction of the globe valve has been changed from the top of the valve disc into the valve cavity. At this time, under the action of the medium pressure, the force to close the valve is small, while the force to open the valve is large, and the valve stem's force is small. The diameter can be reduced accordingly. At the same time, under the action of the medium, this form of valve is also tighter. my country's valve 'Three Chemicals' once stipulated that the flow direction of the globe valve should be from top to bottom.
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