Should You Use an External or Chamber Vacuum Sealer?

Vacuum Food Sealing MachinesVacuum sealers are excellent machines for packaging, selling and preserving food. They can also be used to package retail merchandise, clothing, auto parts and much more. There are two primary types of vacuum food sealers. The first type is known as an external sealer (sometimes called a clamp or pouch vacuum sealers) and the other is known as a chamber vacuum sealer. So which style should you use?

External and chamber vacuum sealers both get the job done, albeit in slightly different ways. This is a brief breakdown on how the different systems work:

External Pouch / Clamp Vacuum Food SealerExternal “Clamp / Pouch” Vacuum Sealers – These types of vacuum sealers tout the title “external” because the entire vacuum sealing process is conducted outside the machine. Products are placed in a bag, which is then placed into the external sealer. The sealer is then clamped down onto the bag, after which it begins to remove the air. Once air has been removed, the bag is sealed.

Chamber Vacuum Food SealerChamber Vacuum Sealers – These types of sealers can be used with most food and most retail merchandise. Once a product has been placed in a bag, the entire bag is placed in the chamber, ensuring the opening of the bag is placed on the sealing bar. The hood of the sealer is brought down, after which air is removed from the chamber. Once air has been removed, the bag is sealed and atmosphere is brought back to normal.

Now that you have a general understanding as to the different technologies used, why would you want to use one over the other?

External “Clamp / Pouch” Vacuum Sealers – External sealers are generally used for light to medium-volume packaging purposes and are generally less expensive than chamber sealers. These types of vacuum sealer are generally used for home and medium-volume grocery-store use, although the MiniPack Cyclone line of external sealers are used for commercial packaging. These sealers are typically slower than chamber sealers.

Chamber Vacuum Food SealerChamber Vacuum Sealers – Chamber vacuum sealers are generally used for medium to high-volume packaging, although they can be used for light volume if needed. Chamber sealers are very easy to use and are typically faster than external sealers. They can be used to package fruits, vegetables, meats, liquids, powders and non-edible retail products.

Chamber sealers are typically more efficient than external sealers, with the ability to remove 99.9% of the air from a bag. Chamber sealers often offer the option of being used with inert gas / air kits as well (not an option with external sealers). Inert gas kits are great for packaging delicate food like potato chips.

So basically it all boils down to application. External sealers are great for home use and for light to medium use where chamber sealers are great for commercial higher-volume use.

You can find our entire selection of vacuum food sealers here.

Keith Barlow

Keith is a third generation office equipment expert. ABC Office was started by his grandfather back in 1980 and he is proud to be caring on the values that made ABC Office what it is today… unsurpassed selection, detailed information, low prices, and courteous support.

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