Vacuum sealers and chambers remove air from the package and hermetically seal the package. Both types of machines are also suitable for MAP (modified atmosphere packaging).
Vacuum packaging or MAP can either be done with a vacuum sealer (using a vacuum nozzle) or by vacuum chamber. The difference between the two is explained below. Always use airtight bags (PA/PE) for vacuum packaging.
The difference between a vacuum sealer and a vacuum chamber
Medium level of vacuum attainable (up to 70%)
Faster cycle time – only package is vacuumed
Pouch size limited by seal bar length
Horizontal and vertical sealing
5 mm seal standard
Double sided heating (bi-active) standard
External air supply required
Uses a Venturi (dry) pump
High level of vacuum attainable (± 99,98%)
Longer cycle time – entire chamber is vacuumed
Pouch size limited by chamber dimensions
Horizontal or vertical sealing (depending on model)
3,5 mm double seal standard
Double sided heating (bi-active) optional
No external air supply needed
Uses a Busch (oil) pump
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