Outside valve

Syntegon aroma protection valves are based on patented and proven venting technology to protect aroma and maintain quality of degassed products, sensitive to oxygen. They protect against excess pressure in airtight packaging and eliminate the intermediate storage of degassing products.

The valve is applied on the outside of the bag or tin and functions with slight increase in pressure. Depending on the product requirements, the outside valve has different designs, such as for cans or for a highly degassing product.

Benefits:

  • Suited for whole-bean and ground coffee
  • Various models according to product requirements
  • Minimum opening and closing pressure for optimum product appearance
  • Safe application using application technology
  • Valve activation through a separate fluid injection for high process reliability
  • Approved for contact with food according to US and European guidelines

Additional Benefits V55:

  • Compact valve design for optimized logistics reduces waste and promotes sustainability
  • High-speed application allows up to 150 self-adhesive valves per minute
  • Technical Data
    Technical Data:
      V45 V55 V40 HP
    Opening pressure 3 ± 2 mbar 5 ± 3 mbar approx. 150 mbar
    Closing pressure > 1 mbar > 1 mbar > 80 mbar
    Valve dimension 20 x 20 x 0.5 mm 12.5 x 12.5 x 0.49 mm 20 x 20 x 0.36 mm
    Valve structure PET, PP, acrylate adhesive, PE paper, valve fluid PET, acrylate adhesive, PE paper, valve fluid PET, acrylate adhesive, PE paper, valve fluid
    Packaging material Reliable application on all packaging material
    Shelflife
    Before fluid injection 12 months
    After fluid injection 18 months
    Weight approx. 0.15 g approx. 0.04 g approx. 0.18 g
     

    Technical data are subject to change

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  • Links and Downloads

    For more information feel free to download our brochure via our

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  • Application Examples

    Application:

    Optimum aroma and quality protection for degassing and oxygen-sensitive products, such as

    • Coffee
    • Fresh dough
    • Pet food
    • Cheese
    • Fresh grass

    Operating principle

    Given increasing overpressure, the membrane is raised higher at one part of the valve until it forms a channel in the fluid, through which the gases can seep to the outside.

    • Outside Valve V45

      Outside Valve V45

    • Outside Valve V45 Applicator

      Outside Valve V45 Applicator

    • Outside Valve V55

      Outside Valve V55

  • Parts and Service

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    Together, we tailor our solutions to your individual needs. You benefit from fixed conditions and guaranteed services. Our global network of experts supports you with maintenance planning, technical support, and modernizations, as well as operator training and end-of-life services. With our digital solutions, you gain control over your production processes and create transparency on product and machine data – anytime, anywhere.

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