DIN 11851 couplings

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DIN 11851 couplings are widely used in sectors where hygiene and safety are critical, such as the dairy, food, pharmaceutical and chemical industries. At Mees van den Brink, we offer a complete range of DIN 11851 components made from high-grade stainless steel, including all necessary seals, weld-on parts and threaded fittings. 

These couplings are ideal for creating secure, leak-free connections in processing and transfer systems. Thanks to their smooth, crevice-free design, they minimise the risk of contamination and are easy to clean, making them the preferred choice for demanding hygienic environments. 

What’s included in our DIN 11851 range 

We supply a wide variety of DIN 11851 fittings and accessories to suit different systems and requirements: 

  • Weld-on parts: Smooth welding ends and conical welding couplings ensure a hygienic and durable bond to your pipework. 
  • Threaded couplings: Female and male parts with coarse threads provide quick, secure assembly and disassembly. 
  • Seals and D-rings: Available in materials like NBR, EPDM, silicone and PTFE. These seals guarantee a reliable, pressure-tight connection between coupling parts. 
  • Nuts and liners: Stainless steel parts with or without rubber protection, suited for both inch and ISO dimensions. 

We offer a wide range of sizes, from DN10 to DN100, and multiple thread types, such as ISO and inch, so you can always find the right configuration for your system. 

Built for reliability and compliance 

Each DIN 11851 coupling in our range is manufactured from stainless steel 304 or 316 (or 316L for enhanced corrosion resistance). This ensures long-lasting performance, even under frequent cleaning, high pressure or exposure to chemicals. 

You benefit from: 

  • Hygienic design for food and pharmaceutical use 
  • Quick installation thanks to coarse threads 
  • High compatibility with pipes, hoses and tanks 
  • Corrosion resistance in aggressive environments 
  • Fast delivery from stock 

Applications in multiple sectors 

Our DIN 11851 couplings are used in a wide range of industries, including: 

  • Dairy: milk collection and processing systems 
  • Food: hygienic transport of liquids like syrups, sauces or beverages 
  • Pharmaceutical: sterile processing lines 
  • Chemical: safe and corrosion-resistant connections for sensitive media 

Explore other couplings 

In addition to DIN 11851 couplings, we also supply other hygienic and fluid-handling solutions to meet your system requirements. For instance, food couplings SMS and food couplings Tri Clamp are frequently used in the food, beverage and pharmaceutical sectors where hygiene and cleanability are critical. If you're working with hose assemblies, our selection of hose fittings ensures seamless integration with DIN standards. For cleaning or utility lines, steam couplings and camlock couplings may offer quick and practical connection options. Each product is selected to meet high standards of safety, durability and compatibility. 

Need help with your DIN 11851 setup? 

Not sure which DIN 11851 fitting best suits your system? Our technical specialists are happy to advise you. Whether you need seals, welding ends or complete threaded sets, we’re ready to assist you with product selection and customised advice. 

You can order directly online or contact us for a tailored quote.