Item name:high vacuum ball valve(SS ball valve ,ball valves) Shell Material: Stainless steel Suitable medium: dairy products Item name: high vacuum ball valve(SS ball valve ,ball valves)Item No.:GUShell Material: Stainless steelSuitable medium: dairy products, breweries, biological engineering, foodstuff, pharmaceuticals, drinks, cosmetics and chemicals.Standard: API,DIN.JIS,GB,Russain standardWe ...