... steel ball valve, ball valve) Sanitary welding ball valves( stainless steel ball valve, ball valve) Specification ... DIN, 3A,SMS etcConnection:Welded, Clamped, Threaded, FlangedWorking Principal:manual operation or driving device operationApplication:Dairy, Beverage, Food, Beer ... :Competitive We are specialized in producing different kinds of valves, pipe fitting, tubes, manhole covers, pumps, tanks ...