The fluoroplastic chemical centrifugal pump volute produced by our factory is made of metal shell (HT200) lined with perfluoroethylene propylene (common name F46). Because F46 has excellent corrosion resistance, it not only ensures the strength of the pump components, but also improves the corrosion resistance of the pump and reduces the production cost. In order to improve the hydraulic performance of the pump, the volute design uses a closed spiral pressurized water chamber (Fig. 1), which adds difficulty to the design of the lining mold. After hard work, we designed a set of molds to meet product design requirements.
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