Top-quality production for advanced extraction systems

The widest range of extraction system components for milling and industry

Seven specialises in the production of milling and industrial extraction systems and components for various applications. Seven can produce systems to customer drawings as well as standard systems. Over the years, Seven has acquired enviable experience in flour and cereal extraction systems and components such as:

industrial extraction collectors (milling, sieving, cleaning, silos, etc.); pneumatic collectors for transport and extraction with various accessories (cyclones, valves, various types of hopper, joints, piping, cleaning ports, etc.) painted or powder coated; drop pipes in polished AISI 304 BA stainless steel (welded in a nitrogen atmosphere); drop pipes in powder coated FE360 12/10; decanting cyclones in various diameters, thicknesses and materials.


Our extraction system components are produced by experienced, specialist personnel and can be powder coated on request. Only top quality materials are used, in various thicknesses:

  • Continuous hot galvanised steel according to EN 10142 in DX 51D + Z200 MA-C
  • Mirror finish AISI 304 BA stainless steel
  • AISI 304 – 316 2B stainless steel
  • Carbon steel