Three monolithic ceramic ball valve adopts structural ceramics do seal, seal has excellent corrosion resistance, high temperature resistance, wear resistance and erosion resistance and other characteristics. Widely used in petrochemical, metallurgy, paper making, power stations, coal and other industries of all kinds of acid and alkali salt gas, liquid, steam and ash, mud, material conveying system. The valve is economical and practical, according to the different working condition, tie-in and different material of valve parts, can effectively increase the service life of the valve, broadening the valve using range. The drive mode are manual, pneumatic, electric, etc.