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Home > Grain airing > Perforated arches

Perforated arches

tubeThe perforated arches are 480 or 640mm wide; their standard length is 900mm. They are made of zinc-coated metal sheets.
1.6mm perforation is used for cole-seed; 2mm perforation is used for grain.
The arches are connected to axial or radial fans using the transition.