Food and Beverages

Tailor made gas mixers for protective gas atmospheres in the food and beverages industry

To prevent loss of natural freshness and quality, food are often packaged in a protective atmosphere (Modified Atmosphere Packaging – MAP). Using natural gas the quality is maintained and the durability is improved. For this different gas mixtures are needed which can be produced in LT’s gas mixers. I.e..:

  • Raw red meat or raw dark poultry:
    O2 and CO2 (Oxygen and Carbon Dioxide)
  • Raw white meat, cooked meat or sausages:
    COand N2 (Carbon Dioxide and Nitrogen)
  • Raw Fisch:
    CO2, Oand N(Carbon Dioxide , Oxygen and Nitrogen)
  • Smoked fish, boiled fish, crab/shrimp
    COand N(Carbon Dioxide and Nitrogen)
  • Hard cheese, soft cheese, yoghurt
    CO2 and N(Carbon Dioxide and Nitrogen)
  • Vegetables, salads
    O2, CO2 and N2 (Oxygen, Carbon Dioxide and Nitrogen)
  • Beer, Champagne, Sparkling Wines
    COand N(Carbon Dioxide and Nitrogen)

LT GASETECHNIK’s serial gas mixers for two or three gases for the food industry have a capacity of a few liter per minute (l/min, slm or slpm) to 500 cubic meters per hour (m³/h or scm/h). They are optionally available

  • with or without a buffer vessel
  • with or without gas analyzer
  • as static gas mixer with manual control or
  • as dynamic gas mixer with fully automatic control with MFC (Mass-Flow-Controller)

Dynamic gas mixers typically display process data, alarms and error messages on a local operator panel and, if desired, are passed to the process control system of the customer.


Feel free to ask us or request your quotation.

Project examples

  • MFC-based gas mixer for carbon dioxide and nitrogen (beer gas); capacity: max. 150 m³/h
  • Gas mixers for three gases (N2, CO2, H2)
    for fully automatic test of the tightness of food packaging
  • Gas mixers for N2, CO2, mixing ratio 60% / 40%; Capacity about 125 m³/h


  • Particularly high accuracy and reproducibility
  • Static or dynamic, fully automated systems with cascade ratio control
  • Control, analysis and documentation of results with tailor-made solutions
  • Connection of the equipment to existing plant PLC and / or telemetry
  • High availability incl. remote maintenance
  • Redundant versions: Switching over without pressure peaks
  • Unmatched security: Redundant measurements

….just beyond standards

References (extract)

  • Arla Foods GmbH
  • Nestlé Deutschland AG
  • Unilever Deutschland GmbH
  • Henkell & Co. Sektkellerei KG
  • Several deliveries indirectly via gas producers

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