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L&W Freeness Online

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L&W Freeness Online is a reliable, repeatable and cost-effective online system for measuring, monitoring and controlling key quality variables - Canadian Standard Freeness (CSF) and Schopper-Riegler (SR) - in paper stock preparation. It reduces production costs, through lower energy consumption by eliminating over refining. It also creates the best possible continuous and uniform pulp furnish for the paper, board or tissue machine.

  • Energy savings from refiner optimization
  • Optimize use of incoming pulp
  • Easy to control grade changes
  • Uniform furnish minimizes web breaks
  • Optimize machine speed by optimizing freeness set point
  • Fast and accurate measurement
  • Few moving parts and easy to maintain
  • Robust unit that is easy to place close to refiners


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