What is the structure of a stainless steel sphere?
The structure of stainless steel spheres depends on the connection between the valve body and the pipeline, as well as the connection between the valve body and the valve cover. In terms of manufacturing methods, there are several types including casting, forging, forging welding, casting welding, and tube plate welding. Usually, from an economic perspective, those with a nominal diameter equal to or greater than 50mm are cast, while those with a diameter less than 50mm are forged. But with the development of modern casting and forging technology, this limitation has gradually been overcome. Forged valve bodies have developed towards larger diameters, while cast valve bodies are gradually developing towards smaller diameters; Any type of valve body can be forged or cast, depending on the user's requirements and the manufacturing methods owned by the manufacturer. Valve bodies welded with tube plates are usually used for large-diameter medium and low-pressure applications.
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