SANITARY UNIONS

Sanitary DIN Unions

卫生级DIN活接头.jpg

1. Definition & Standards‌

Sanitary DIN Unions are hygienic pipe fittings compliant with ‌DIN 11850/11851‌ standards, designed for sterile processes in food, pharmaceutical, and chemical industries ‌

‌2. Material & Surface Finish‌

  • ‌Body material‌: Stainless steel ‌SS304/SS316L‌, mirror-polished (Ra ≤0.8μm) for corrosion resistance 

  • ‌Gasket options‌: Silicone, EPDM, or PTFE for leak-proof sealing ‌

‌3. Key Dimensions & Types‌

‌    Size (DN)‌‌Thread Type‌‌Hex Nut Width (mm)‌‌Application‌
    DN15-DN150DIN 118505.0–7.0 (varies by size)CIP/SIP systems
    DN25-DN100DIN 1185126.0–114.0 (flange F尺寸)High-purity pipelines ‌

‌4. Applications‌

  • ‌Pharmaceutical‌: Sterile fluid transfer in bioreactors ‌

  • ‌Dairy/Beverage‌: Hygienic connections for pasteurization lines ‌