... Excellent abrasion resistanceaaSmoothly openingaaLight weight, easy installationaaLow Maintenance Pneumatic Ceramic Ball ValveExcellent abrasion resistance,Smoothly opening,Light weight, easy ... ,HydraulicMain Parts Material:Body( S/S,Carhon steel,Cast iron,Csat steel) Gate(304,316,Cr Steel,Ceramic)Applicable ... paraffin wax, slag, wood chips,clay, coal, etc. Pneumatic Ceramic Ball Valve KAIERTONG API