... weight, easy installation ,Low Maintenance costs,Reusability Manual Ball Valve Type: KQ41F-2.5/6/10/16 Features: ... CII. Main Parts Material BodyStemSealingStainless SteelStainless SteelF4Carbon SteelCarbon Steel Cast Steel Applicable mediumApplicable medium:Bauxite slurry, asphalt, catalyst residue ... wax, slag, wood chips,clay, coal, etc. Professional Stainless Steel Manual Ball Valve KAIERTONG API