What is a filter belt?
For the consumable-free operation of the HOFFMANN Suction belt filters,filter belts made of sieve fabric are used.
The endless band is created by connecting the two ends of the sieve fabric belt with a special lock. The lock of the HOFFMANN filter belts combines easy handling with high filter permeability, while the filter fineness remains constant, also in the lock area.
A bit of filter know-how
Explanations and clarifications of some frequently asked questions and terms used in filter technology.
In the cake-forming filtration, the particles of a suspension are retained by the filter medium and form a growing layer, the filter cake.
The geometric filter fineness indicates the diameter of a sphere that just cannot pass through the largest opening of the filter medium.