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Difference between vacuum chamber and sealer

Vacuum sealersVacuum chambers
Medium level of vacuum attainable (up to 70%)High level of vacuum attainable (± 99,98%)
Faster cycle time- only package is vacuumedLonger cycle time - entire chamber is vacuumed
Pouch size limited by seal bar lengthPouch size limited by chamber dimensions
Horizontal and vertical sealingHorizontal or vertical sealing (depending on model)
5 mm seal standard3,5 mm double seal standard
Double sided heating (bi-active) standardDouble sided heating (bi-active) optional
External air supply required (except VIC model)No external air supply needed
Uses venturi or Busch (dry) pumpUses Busch (oil) pump