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What Are Pressure/Gravity Fillers?

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Pressure gravity filler machines packaging liquids

In the liquid packaging industry, pressure/gravity fillers are commonly used machines. They are used for a variety of products spanning a range of industries, and offer companies plenty of benefits for the investment. The machine works in a unique way to maintain consistency and efficiency, preventing spillage or overflow.

How Do They Work?

Pressure gravity fillers are suitable for bottling thin to medium substances, though they can handle slightly more viscous liquids, as well. Pressure/gravity fillers provide consistent and accurate fill volumes. They feature an overhead tank that holds the product, and the fill tubes open when the bottles are underneath the nozzles. The bottle is filled to a desired level, and any excess product left in the filling tubes is pushed back to the tank. Gravity fillers are often the best choice for foamy products, while pressure fillers are ideal for more viscous liquids.


What Benefits Do They Offer?

The main benefit that these machines offer to businesses is a uniform fill line, which is ideal for not only aesthetics but for cost effectiveness—filling under or over a line can cost in terms of either unsatisfied customers or not charging the right price for how much product is in a container. Additionally, these machines allow you to package many different products into containers with just one machine. They have the versatility to fill a wide range of amounts of liquid, from a quart of an ounce up to five-gallon containers.

Who Uses Them?

A number of industries use pressure and gravity fillers. Their versatility, flexibility, and convenience means that plenty of companies can get a lot of use out of these types of filling machines, including businesses in industries such as:

  • Beverages and juices, including distilled spirits
  • Automotive and petroleum
  • Cleaning products and chemicals
  • Foods and other sauces
  • Acids and corrosives
  • Pharmaceuticals

Find out more about what you’ve been missing by not using these machines – contact E-PAK Machinery today.