... (sanitary strainer,drainer) Material: 304, 316L Stiainless Steel Air FilterMedium: Beer, Dairy, Beverage, Pharmacy, Food, Water, Cosmetic Order requirements ... producing kinds of sanitary valves and fittings. Such as butterfly valves, check valves, ball valves, diaphragam valves, sample valves, stop reversing valves, relief valves, bends, tees, reducers, unions ...