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PeriFeeder – Mechanical steam separator

PeriFeeder – Mechanical steam separator


The PeriFeeder is a mechanical steam separator that separates the steam from the fibers before they are fed into the second- or third stage refiner.

This machine replaces the existing cyclone, the cyclone discharger and the refiner feeder and can be installed without modification of the refiner foundation.

Refiner models RGP 60/65, RGP 70/76 CD, RGP 82 CD, RGP 268 and SD 65 can be supplemented with this machine type.


  • Low installation cost
  • Low maintenance cost
  • Low load variations in the refiner
  • No disturbances from a cyclone scraper
  • Stable operation
  • Short retention time