Pneumatic Ceramic Ball Valve,Excellent abrasion resistanceaaSmoothly openingaaLight weight, easy installationaaLow Maintenance Pneumatic Ceramic Ball ValveExcellent abrasion resistance,Smoothly opening,Light ... iron,Csat steel) Gate(304,316,Cr Steel,Ceramic)Applicable mediumApplicable medium:Bauxite slurry, asphalt, catalyst ... , wood chips,clay, coal, etc. Pneumatic Ceramic Ball Valve KAIERTONG API