Professional manufacturer sanitary stainless steel ball valve( stainless steel ball valve, steel ball valve) sanitary stainless steel ball valve( stainless steel ball valve, steel ball valve) Specification :Material: ... 3A,SMS etcConnection:Welded, Clamped, Threaded, FlangedWorking Principal:manual operation or driving device operationApplication:Dairy, Beverage, Food, Beer, Pharmacy, Biotechnology ...