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Nitrogen Gassing Systems

Supplier: Nu-Con playlist_addCompare

Nu-Con has been a market leader in the design of Nitrogen Gassing Systems for the packing of wholemilk powders and other products to extend the shelf life and prevent spoilage due to oxidation.

Price Guide (Inc GST): POA

Many systems have been completed to evacuate Oxygen and replace with Nitrogen or other inert gases or gas mixtures with less than 1% Residual Oxygen.

Typical systems are used with filling machines for cans, sachets, 25kg Bags, Bulk Bags and Bulk Bins.

Systems include complete control systems for powder conveying, evacuation, Nitrogen refilling/flushing and product discharge. Continuous on-line monitoring via Oxygen Analysers is standard, and accessories such as sifters, metal detectors and weighing facilities may be included.

Combined Vacuum Conveying and Pre-Gassing Systems

These systems use a vacuum conveying system and vacuum pump to convey powder from one or more storage hoppers, fully evacuate the Oxygen, and then backflush with Nitrogen or Inert gas. This eliminates the need for a separate convey system providing a significant saving on capital cost.

Vacuum Pre-Gassing and Gas Flushing Systems
Depending on process requirements, gassing systems may be designed to operate on a batch process of vacuumation/evacuation followed by Inert Gas Injection, or on a continuous basis with gas flushing of a powder vessel creating a laminar flow and stratified Oxygen reduction.

Continuous on-line sampling provides Residual Oxygen measurement in real time and feedback control ensures performance to tight specifications.

Post-Gassing Systems
Systems are also available for the Post-Gassing of some products after packing into cans and bulk bags or bins. These systems have very low gas consumption, and require specialised technology - for more details please contact Nu-Con.

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