... ,Smoothly opening,Light weight, easy installation ,Low Maintenance costs,Reusability Manual Ball Valve Type: KQ41F-2.5/6/10/16 Features ... medium: Water, steam, oil and non-corrosive medium I. SpecificationNominal Pressure(MPa)Shell Test(MPa)Seal Test(MPa)Temperature0.250.3750 ... wax, slag, wood chips,clay, coal, etc. Professional Stainless Steel Manual Ball Valve KAIERTONG API