Vacuum bag packaging: operation, settings and best practices

Vacuum packing consists in removing air (and therefore oxygen) from airtight packaging. It limits oxidation and inhibits the development of aerobic micro-organisms, while improving inventory management and preservation.

Remember: sous-vide is very effective on oxygen, but can compress certain products. The gas option may be appropriate to preserve presentation.


Contents


Why vacuum pack?

  • Preservation: Shelf life often multiplied according to products and processes.
  • Safety: tamper-proof packaging, less cross-contamination.
  • Quality: reduces freezer burn, dehydration and loss of aroma.
  • Savings: better management of unsold stock and grouped purchases.
  • Storage: space saving, odor reduction.
  • Gas option: useful for fragile products or visual rendering.

Packaging cycle (5 steps)

  1. Put the product in the bag and place it in the bell.
  2. Air extraction (set by time, percentage or boiling detection for liquids).
  3. Option: gas injection (if desired) to preserve certain products.
  4. Hermetic seal (adapted to bag thickness).
  5. Gradual re-atmosphere (useful for limiting crushing).

Useful technologies: sensor and weld types

A vacuum sensor improves repeatability compared to “time-only” adjustment, especially when the load varies.

Welding typeInterestWhen to use it
Double weldHigh reliabilityVersatile use.
Welding-cuttingTrimming the excessClean presentation, better hygiene.
Wide weldingPremium finishMeticulous visual rendering.
Bi-activeFor thick bags / aluminiumDemanding applications.

Care & maintenance

  • Schedule regular dehumidification to protect the pump.
  • Monitor maintenance alerts (according to cycles).
  • Use quality sachets to guarantee a watertight seal over time.

FAQ (SEO optimized)

Is sous-vide suitable for fragile products?

Not always. Some products can compress. The gas option or another technology (MAP/Skin) may be preferable, depending on the desired effect.

Which setting is best for liquids?

Boiling point detection (if available) and the use of accessories (inclined plate) reduce spillage and improve cleanliness.

Learn more

Would you like to choose the right type of weld, secure liquids or improve repeatability with a vacuum sensor?

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