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Sifting technology

The sifting respectively classifying of goods is one of the traditional applications of metal cloths. This highly developed area of the mechanical process engineering has become an integral part of our daily life.
We sell screens in close co-operation with our subsidiaries Dorstener Siebtechnik GmbH (DST) and Curt Ebert Siebtechnik GmbH (CES).

We weave screen cloth as a square weave according to ISO 9044 and ISO 4783. We store a broad range of square weave variants with a width of up to 3,000 mm in our warehouse.

Hooks are the most widespread method for mounting screens onto vibratory screeners. They are designed depending on the mesh and the type of screening machine.

We rescreen cylindrical screen baskets for e.g. centrifugal sifters with or without ultrasonic excitation.

For very heavy screening jobs we deliver heavy welded mesh. The thick wires are resistance welded at each joint and have hooks.

Screens for heavy-weight materials are normally manufactured from woven wire meshes in spring steel (DIN EN 10270) or stainless steel 1.4301 or 1.4401 and equipped with hooks.

To produce the correct tension of the sieve, screen cloth is pretensioned and glued onto frames. Glue in conformity with FDA is available for respective applications in the food or pharmaceutical industry.

For special screen boxes and wooden frames we fabricate screens with a PU or PVC edge protection strip. We can deliver these with open fixing holes or eyelets.

Perforated steel plate screens are suitable for heavy screening units as placement sieve. We laser cut the requested hole patterns pursuant to the sifting task.