Polymer Processing Systems

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Filter Candles

Filter candles can be used in combination with a piston type screen changer to increase the available filtration area. They are available in different filtration finenesses and sizes. 


  • Increased filter area with the same machine size possible
  • Deep filtration and the use of sintered media are possible
  • Almost unlimited filter surface area from one to several m² in one screen cavity of a piston screen changer possible
  • Low pressure losses due to the large surface area
  • Low residence time of the melt in the screen changer
  • Can be retrofitted in existing plants