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Automatic backwash filter – filtration down to 50 μm

HAWLE-CANFIL is a fully automatic, continuous system that works according to the principle of surface filtration. A wedge wire screen or metal fibre fabric is used for filter candles which retain particles of different sizes on their surfaces. After the pre-determined degree of contamination has been reached, the filter candles are cleaned by back-washing using small amount of filtered medium, while filtration continues during backwashing.

  • Backwash without interrupting filtration
  • Completely closed system
  • High operating pressure up to 40 bar possible
  • High flowrate up to 10.000 m3/h
  • Low pressure drop
  • Filter fineness of 50 μm to 3.000 μm
  • Low backwash amount due to optimized design of backwash elements
  • Long standing times between backwash procedures
  • Minimal operating costs
  • Low investment costs
  • Hawle CANFIL 100/200/350 Technical Specifications

      from to
    Flow rate 1 m3/h 10.000 m3/h
    Fineness of filtration 50 μm 3.000 μm
    Flange dimensions DN 25 DN 900
    Design pressure 6 bar 16 bar *1
    Design temperature 0 °C 80 °C *2
    Range of application filtration for low viscose fluids
    Type of filter candles fixed V-column or metal fibre fabric
    Control board for backwashing by time or differential pressure