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DIN 11850 Food Wing Nut Union

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Offered to you under the Atech brand

The Stainless Wing Nut Union is a special fitting designed to ensure safe liquid and gas flow in piping systems. Its manufacture from high-quality stainless steel provides excellent resistance to corrosion and wear, delivering long service life in demanding industrial conditions. Thanks to its wing nut design, installation and disassembly are simplified, which speeds up maintenance and repair processes. Stainless Wing Nut Unions are generally used in various industrial applications such as water treatment, petro-chemical, food processing and HVAC systems. Available in different diameters and connection options, these products increase system flexibility and facilitate installation. With their durable structure and high performance, they stand out as an indispensable component in industrial systems.
Material
304/316
Standard
DIN
Size Range
Ø18-Ø204

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Key Features

  • Complies with DIN 11851 Standard: Provides reliable and trouble-free connection with full compliance to European hygienic installation standards.
  • Strong Tightening with Wing Wrench: Thanks to the special nut design, high tightening torque can be applied with a wing wrench and secure installation is ensured.
  • Stainless Steel Material (AISI 304 / AISI 316L): Provides high resistance to corrosion, chemicals and moisture, ensuring long service life.
  • Hygienic Design: Its smooth inner and outer surfaces reduce product residue buildup and support hygiene standards.
  • High Sealing Performance: Provides reliable sealing with EPDM, Silicone, Viton (FKM), NBR and PTFE gasket options.
  • Easy-to-Remove-and-Reinstall Structure: Provides fast intervention during maintenance, cleaning and equipment replacement without dismantling the piping.
  • Compatible with CIP and SIP Systems: Can be used safely in hygienic processes thanks to its structure suitable for in-place cleaning and sterilization operations.
  • Wide Size Options: Fits various process lines with different diameter options from DN10 to DN150.
  • High Mechanical Strength: Delivers reliable performance under pressure, vibration and intensive operating conditions.
  • Long Service Life: Reduces maintenance costs thanks to its high-quality stainless steel structure and durable gasket system.

Use Cases

  • Food and Beverage Industry: In milk, juice, beverage, liquid food and other hygienic production lines.
  • Dairy and Dairy Product Plants: In milk, yogurt, cream and cheese production processes.
  • Pharmaceutical Industry: In sterile liquid transfer lines and hygienic process systems.
  • Biotechnology Facilities: In fermentation and bioprocess applications.
  • Cosmetics Industry: In cream, lotion, shampoo and liquid cosmetic production lines.
  • Chemical Industry: In hygienic piping systems carrying corrosive and special process fluids.
  • Water Treatment Systems: In pure water (PW), ultrapure water (WFI) and process water installations.
  • CIP and SIP Systems: In in-place cleaning and sterilization lines.
  • Tank and Process Equipment: In connections for tanks, valves, pumps, filters and heat exchangers.
  • Machine Manufacturing: In hygienic installation connections of food, pharmaceutical and chemical machinery.

Specifications

Material
AISI 304, AISI 304L, AISI 316L Stainless Steel
Connection Type
Union Nut + Male Part + Female Part + Gasket
Tightening Method
Tightening with Wing Wrench
Gasket Material
EPDM, NBR, Silicone, Viton (FKM), PTFE
Working Pressure
Max. 16 bar (may vary depending on size and gasket type)
Working Temperature
-20°C to +180°C (may vary depending on gasket material)
Surface Finish
Polished Inside/Outside, Ra ≤ 0,8 µm (Optional Ra ≤ 0,4 µm Electropolishing)

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