The PFI mill is a beater meant for analytical beating of chemical pulps.  The beating takes place in gap between the circular bar roll and the housing with the aid of peripheral speed difference of the beating elements and pressure between them. 

Amount of pulp

• 30 g dry weight/batch

Solids content

• 10%

Roll revolutions:

• Bleached kraft hardwood: max 6 000
• Bleached kraft softwood: max 10000

Technical data

• Inner diameter of the housing 250 mm
• Diameter of the roll 200 mm
• Rotation speed of the housing 710 r/min
• Rotation speed of the roll 1460 r/min
• Difference in peripheral speed 6,0 m/s
• Beating (line) pressure 33,3 N/cm ± 1,0 N/cm