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 Binhai Industrial Park, Longwan District, Wenzhou, China


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Sanitary Stainless Steel DIN11851 Metric Union for Dairy

DIN Round Union
1. SS304 stainless steel
2. DN10-DN150
3. LG Mazak CNC machine

DIN Round Union includling the male, liner and gasket.  Shuangzhan machinery provides DIN11851 and DIN11850 both standard, unions suitable for imperial and metric tube

DIN unions (Deutsche Industrial Norm) German standard fittings are used in conjunction with German and other european equipment.

DIN series Round Nut sanitary fittings, body material sanitary stainless steel 316L/304, Surface finishing 180 Grit ID/ 150 Grit OD. Fits to Sanitary Stainless Steel Tubing, seals a tube or hose fitting by welding. This ferrule welds to a fitting to help provide a leak-resistant seal on a tube or hose and then thread to a male fitting. Maximum operating pressure rating of 140 pounds per square inch (psi) @ 70 degrees Fahrenheit.  Suitable for hygienic applications as food & beverage. When you design sanitary piping, consider the application, verifying material compatibility, shape, size, and duty. Tube fittings are used for connecting, shut off, controlling flow, and changing the direction of piping in the food, beverage, biotech, pharmaceutical, and other sanitary process industries to transport fluids through pipe lines and are available in a wide range of materials, finishes, and shapes. We can weld the liner, male with elbow, tee, cross etc as well.


  • Sanitary DIN Round Union

  • DN10,DN15,DN20,DN25,DN32,DN40,DN50,DN65,DN80,DN100,DN150

  • Forged material available 304 / 304L/ 316/ 316L grade of stainless part

  • Material available EPDM/SILICON/VITION/BUNA etc of sealing

There are varible types of welding liner, welding male and blank cap etc. Pls download our cataloge, you can find more information. 

  • Round slotted nut

  • Blank nut w/without chain

  • Short/long welding liner

  • Blank liner

  • Long/shortwelding male



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