Alumina Ceramic Valve core, water valve,gas valve Ceramic valve for water,gas,oil and acid. Material: 95%Al2O3 Density: 3.6 ... lining and avoid breaking the ceramic. Range of applicationThermal power plant,steel,coal, pier,glass-making,coking mine,and ... cement industry.In thermal power plant,coal conveying and milling systemIn concentration plant,whirlcone liner ...