stainless steel sanitary union 1)Material quality: SUS 304,SUS 316 2)Size:1/2"-4" 3)Standard: ISO,DIN, SMS,IDF,3A stainless steel sanitary union1)Material quality: SUS 304,SUS 3162)Size:1/2"-4"3)Standard: ISO,DIN, SMS,IDF,3A4)Application: Beer, food, dairy, beverage, cosmetics, pharmacy and chemical etc industries5)Packing: plastic bags or customer's request stainless steel sanitary union