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Union Products

Union are used on process equipment and piping to ensure rigidity of the system. Unions consist of a Threaded Bevel (male) Ferrule mated with a Plain Bevel Ferrule (liner). Both are offered in grade 304 and 316L material. SPV's Union are available in 1" through 4" and many type of standard.

DIN 11864-2

Specification :

  • Austenitic SS grade 304/316L
  • Ra. max 0.8 um on product contact surface
  • Silicone/EPDM/Viton


The aseptic and the hygienic flange pipe connections are compatible and differ only in the axial length. They are used with process facilities for liquid media with high purity requirements. Preferential fields of application are bio-engineering, cosmetics, chemical, pharmaceutical, food, and beverage industry


During the assembly the O-Ring is positioned in the liner whereby the O-Ring is automatically held. Then the threaded ferrule is put against so that the liner and the threaded ferrule interlock. By this the liner, the threaded ferrule and the O-Ring are coaxially centered. Then the nut is shoved over the liner and screwed onto the threaded ferrule until the fronts of the ferrule and the liner get together. Thereby, the O-Ring is deformed in such way that an even and free of dead space thoroughfare and a tight connection is attained.

Union DIN 11864 2 Aseptic Flange - Ordering Information

NW2526264866 UCFS001.00.100.I-4 UCFS001.00.100.I-6L
NW3232324879 UCFS001.00.150.I-4 UCFS001.00.150.I-6L
NW4038384892 UCFS001.00.200.I-4 UCFS001.00.200.I-6L
NW50505048107 UCFS001.00.250.I-4 UCFS001.00.250.I-6L
NW65666648125 UCFS001.00.300.I-4 UCFS001.00.300.I-6L
NW80818152157 UCFS001.00.400.I-4 UCFS001.00.400.I-6L

List of other Union Products

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