A Simple Guide to Overflow Filling Machine - Levapack

A Simple Guide to Overflow Filling Machine



When producing bottles, every effort is made to keep the process as consistent as possible. The apparent explanation for this is that packagers want all bottles to appear the same. This improves the shelf appeal of the items and makes minor imperfections unnoticeable to the human eye.

However, fill levels can fluctuate when liquid items are put into containers with small internal volume changes. Even if each receptacle is loaded with the same amount of goods. Overflow fillers are useful in this situation. These devices assist to eliminate volume discrepancies by filling each receptacle to the same level, irrespective of the internal capacity of each receptacle.

Therefore, this article will give an overview of how an overflow filler works, its components and its working principles. Read On!

Components of an Overflow Filling Machine

Person inspecting Components

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Every working filling machine is composed of a variety of components that enables it to carry out its tasks effectively. When it pertains to overflow filling equipment, it’s no exemption! The following are the main components of an overflow filler:


The frame keeps the machine in alignment. They are generally offered in two types: portable and factory-fixed.


A resupply or recirculate tank is used by an overflow filler. The liquid from the overflow outlets will be collected in this tank.

Product Pathway and Nozzles

The liquids must be transported from the intake system to the packages and receptacles that are prepared to use. The pipes, tubing, and nozzles utilized to achieve this aim are referred to as the products pathway.

Working Principle of an Overflow Filling Machine


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Overflow fillers have special nozzles that don’t just close over the bottle’s opening. The product can also flow back to the nozzle and into the storage tank or collecting tank through these nozzles. As a result, the potential of product waste is eliminated.

As the nozzles close over the receptacles, the filling outlet opens, enabling the liquid to flow into the receptacles.

The liquid departs the receptacle through the filler’s return port whenever the fill reaches a certain level in the container. As a result, the receptacle “overflows” before returning to the storage or tank.

This technique is frequently employed for pouring free-flowing liquid goods into containers. However, for greater efficiency, large container sizes may necessitate nozzles of various diameters.

The fill height of each receptacle, as indicated before in the working procedure, indicates that the real volume of the product in each receptacle differs. For sectors with precise volume considerations, such as medicines, this might be an issue. However, the bulk of sectors have set goal volumes that are within acceptable bounds.

In many situations, the internal volume is just slightly altered. As a result, there is almost little risk of exceeding these permissible limits. If you’re still concerned, verify with your receptacle maker to make sure there aren’t any significant differences in the internal capacity of the receptacles.

Benefits of an Overflow Filling Machine


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For items packed in transparent receptacles, the overflow filler is nearly really the best filling machine. The machine will, nonetheless, be restricted by the product’s consistency. Overflow fillers work well with materials that have a thin to medium density, as well as those that froth. 

The overflow filler uses special nozzles to fill each bottle to the same quantity, irrespective of minor variations in the receptacle’s internal capacity. A level, uniform fill results in high shelf appeal for items in the clear receptacles, adding artistic appeal to the filling procedure.

Applications of Overflow Filling Machines

Overflow Filling Machine in Inspection

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Overflow fillers are excellent for low to medium viscosity liquids, but they can even fill liquids with minor particles. These fillers are ideal for working with frothy materials at a moderate speed. They may be made in order to fit your specific packing requirements.

Sauces, syrups, light gels, shampoos, foamy cleansers, and chemicals, as well as water and other non-fuzzy beverages, are all filled on overflow fillers. This product can be used to fill plastic or glass receptacles.

High efficiency, washable, no gates or panels to control fill, easy to use, and scalable at cheap cost are some of the benefits of these overflow fillers. It also provides a lot of versatility.


Every great product has a working principle behind it. Understanding these principles help you in making the right decisions in terms of machinery quality and efficiency, and the purpose it is meant to serve, in regards to your organizational needs. 

At Leva Pack, we are dedicated to offering the best overflow filling machines at affordable market prices. Customization is also an added advantage of working with Us. Contact our team for more guidelines on this and any other filling machine you may need. All the best!

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