Sanitary Stainless steel union Material: SUS304, SUS316L Standard: SMS,DIN, ISO,3A,IDF. certification: ISO9001-2008,CE Sanitary Stainless Steel Union1) Standard: SMS, DIN, ISO, 3A, IDF etc.2) Size: 1/2"-6", DN20-DN1503) Material Grade: SUS304, SUS316, SUS316L4) Certificate: ISO9001-2008, CE5) Application: beer, dairy products, pharmacy, foods,drinks,cosmetics. 6) specifications: can make by your ...