... valve, high wearate, high density, valve,ball valves,zirconium structuralStructure Ceramic Ball Valves is very excellent with low-cost, hi- ... manual, pneumatic, pneumatic-spring return and electric. Various special valves can be designed on demand. Furthermore, various high wear- ... and corrosion resistance.Strong corrosion resistanceThe valve ball, valve seat and the inner lining are all made of hi ...