... ,Smoothly opening,Light weight, easy installation ,Low Maintenance costs,Reusability Manual Ball Valve Type: KQ41F-2.5/6/10/16 Features ... .51.1≤120°C1.62.41.76≤120°CII. Main Parts Material BodyStemSealingStainless SteelStainless SteelF4Carbon SteelCarbon Steel Cast Steel Applicable mediumApplicable ... wax, slag, wood chips,clay, coal, etc. Professional Stainless Steel Manual Ball Valve KAIERTONG API