Volumetric Feeders

What Is A Volumetric Screw Feeder?

Our expertise in the screw feeder equipment has enabled us to design and manufacture Volumetric screw feeders. This article will examine the benefits of these machines as they are useful for many different industries. 

A Volumetric powder feeder is a feeder that is specifically designed to process dry solid material. These are also sometimes known as metering feeders and can provide feedrates with accuracies to +1% by volume or +3% by weight. Volumetric feeders are generally open loop devices and have a set-speed device, fed by volume only. In most cases, this type of feeder type involves Augers/Helix. 

Volumetric feeders are used in a lot of industries worldwide. These range from Chemicals, Food, Plastics and Pharmaceutical. The main benefit of using this type of screw feeder is that it requires minimal mechanical and electrical skills. On top of that, Volumetric feeders are less costly than Gravimetric feeders.

Volumetric feeders are known or metering fine powders, chips, flakes, granules and pellets.

Gravimetric Or Volumetric?

If you are deciding as to whether to use a Gravimetric feeder or a Volumetric then this all depends on your requirements and what you aim to achieve. Generally, if you require accurate dosing of dry solids then this type of feeder is the best option. Furthermore, in some cases moisture and high temperature conditions can have a direct impact on processing materials and therefore, the only option is to use a Volumetric Powder Feeder. 

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