Seal ring Fluoride rubber(FKM) or ternary ethylenepropylene rubber (EPDM). It is unnecessary to fit with traditional shaft seal and complete-ness sealed constitutive water pump. Avoids defects of pollution after corrosion ca-used by liquid leakage, and that still adopts special ceramics as shaft bearing, char-acterizing strong resistance for abrasion and corrosion.
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