Polymer Processing Systems

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BKG® Flex Disc

The BKG® flex disc combines the advantages of a big filtration area and the known advantages of the proven piston technology.


  • Low residence time of melt in the system avoids stagnation zones
  • Low specific backflush waste leads to economical and ecological benefits (e.g., lower disposal costs)
  • Flexible regarding filter media and machine
  • Backflush operation leads to lower screen consumption and thus lower screen costs
  • Cost competitive due to low setup costs
  • No bubble point test necessary
  • Large filtration area because of multiple screens in the cartridge
  • Easy and safe handling due to robust design, quick exchange of filter elements, and less cleaning efforts



  • Large filtration area
  • Backflushable
  • Low Δp
  • Low flux
  • Quick coupling system