Viscous Liquid Filtration

Viscous Liquid Filtration

The more viscous a product is, the more complicated it is to get it through a filter. To simply illustrate this notion, imagine the speed of water passing through a strainer and imagine the speed of honey. At the same flow rate, a viscous product will need a larger filtration surface and therefore a large filter.

For high viscosities (above 10’000 centipoise), synthetic filters have their limits (tearing, bursting) and it is necessary to use stainless steel filters.

 

Examples of viscosity of common products

Examples of viscosity of common products

Examples of viscosity of common products

 

How to filter low-viscosity products?

The applications are the filtration of products such as oils, emulsions, and water of various kinds (process, discharge…). You can choose stainless steel filters for low-viscosity products.

 

How to filter medium viscosity fluids?

For varnishes, industrial paints, chemicals, and other liquids up to 5000 cP, the bag filter and wedge wire screen filters are a simple, efficient, and flexible industrial filtration system. With a simple change of the bag, filtration ratings from 1 micron to 2000 microns can be changed in a few minutes.

The bag filter is also efficient for the filtration of low-viscosity products.

 

How to filter high-viscosity fluids?

The automatic self-cleaning filter is the best filter when the bag filter and other filters are not able to filter.

The high-viscosity products such as coatings, glues, silicone, effect paint, chocolate, PVC slurry, dough, starch, surimi paste,pre-filtration of binders in formulations, polymer solutions,metal paste…

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