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304 austenitic stainless steel (new standard 06Cr19Ni10 steel, old standard 0Cr18Ni9 steel) is widely used in industries such as petrochemical, metallurgical machinery, aerospace, food processing, instruments, household appliances, and hardware manufacturing due to its good toughness, plasticity, weld-ability, corrosion resistance, and non-magnetism at room and low temperatures. The reason why 304...
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Metal valves can be said to be the most susceptible key component structure to corrosion failure in engineering equipment. Usually, the sealing surfaces, valve stems, diaphragms, small springs, and other valve components of metal valves are made of first-class materials. The valve body, valve cover, etc. are made of secondary or tertiary materials. Valves used for high-pressure, highly toxic, flam...
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With the rapid development of science and technology, the continuous improvement of production processes and product structures, ball valves have been increasingly applied in thermal systems in recent years. It has the advantages of no fluid resistance, light weight, zero leakage sealing performance, fast opening and closing switch, no medium erosion on the sealing surface, and long service life. ...
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There are many types of structures for ball valves, mainly composed of valve seats, balls, sealing rings, valve stems, and other driving devices. It is used on pipelines to shut off, distribute, adjust flow rates, and change the flow direction of the medium. O-type Ball Valves The body of the O-ring ball valve is equipped with a ball with an intermediate through hole inside, and there is a through...
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1. Surface condition of sealing surface The shape and surface roughness of the valve sealing surface have a certain impact on sealing performance, and a smooth surface is beneficial for sealing. Soft gaskets are prone to deformation and are not sensitive to surface conditions. For hard gaskets, the surface condition has a significant impact. 2. Contact width of sealing surface The larger the conta...
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Just as sound can have a negative impact on the human body, certain frequencies can also cause serious damage to industrial equipment. High noise levels usually cause vibration and may damage equipment such as pipelines and instruments. With the passage of time, valve components deteriorate, and the cavitation generated by the valve is prone to serious damage. This type of damage is mostly caused ...
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