Forming Process Of Sanitary Butterfly Valve
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Sanitary Butterfly Valve is a widely used valve type, and its molding process is as follows:
1. Mix the standard elements in proportion to meet the standard of 304 and 316 materials, and put them into a high-temperature medium-frequency furnace to melt them into liquid, but the temperature must be above 1556℃ for operation.
2. Pour them into the molded silica sol mold for casting, and cool them to form the valve body blank.
3. Enter the blank processing or sandblasting treatment.
4. The end face and valve seat are finely processed by CNC machine tools, and the dimensional tolerance does not exceed 0.2mm.
5. Check each sanitary butterfly valve to see if there are any defects, etc., and pack the sanitary valves that meet the inspection standards.
