Sieving

Thanks to the long-standing experience in this sector, costacurta can supply a wide range of filtering elements for the sieving of food products.

Sieving or sifting is a pre-treatment operation for granular or powder products. It consists of separating the materials based on fragment size to obtain individual products with different grain sizes. There are different types of sieving systems. The main ones are drum sieves, disc sieves and vibrating screens.

Vibrating screens are used to process inert materials and in the food sector (for example, cocoa processing, salt processing, food flour processing, sugar processing, etc.)

Costacurta is specialised in the design and production of perforated plates, wedge wire screens and wire cloths and meshes for vibrating screens.

Cloths for vibrating screens using wire meshes, perforated plates and wedge wire screens

Vibrating screens are used to sieve cocoa, salt, food flours, sugar, cereals and many other applications in the food sector.

Frames containing wire cloths or meshes are usually installed in these machines, even if they can sometimes be made of different sieving elements such as perforated plates or wedge wire screens. Costacurta supplies both the filtering elements and the frame complete with its structure.

The sieving force is generated by electromagnetic heads mounted directly on the sieving cloth or mesh.

Costacurta’s wire mesh is a high-quality mesh that allows openings to be obtained with limited risk of clogging (especially in the treatment of moist products).

Distinctive characteristics of the costacurta wire meshes for these machines, depending on the materials and the mesh geometry, are:

  • Good resistance to corrosion depending on the material used
  • Regularity and precision of the mesh openings
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