Pressure-fed Bow Screen and Gravity-fed Bow Screen

Versatile solutions for effective fiber recovery, pulp thickening

Valmet Pressure-fed and Gravity-fed Bow Screens are curved inclined screens that separate liquids and solids.  Valmet's industry-leading portfolio provides effective fiber recovery from tissue machine white water, efficient polishing of filtrate for shower water use and flexible thickening of low consistency stock streams, discharging at two (2) to five (5) percent consistency.

Each model is simple to operate, easy to maintain and delivers fiber recovery, pulp thickening and other benefits across a range of applications.

Pressure-fed Bow Screen Applications
  • Fiber recovery
  • Pulp thickening
  • Felt hair removal
  • Deinking stock washing
  • Fiber fractionation
  • Fiber/filler separation
  • Shower water protection/filtration
Gravity Bow Screen Applications
  • Fiber separation
  • Reject dewatering
  • Chip washing water
  • Debarking water
  • Wood room effluent

 

 

BOW SCREEN PORTFOLIO

Valmet Pressure-fed Bow Screen

Valmet Pressure-fed Bow Screen

A functional, flexible solution featuring a reconfigured nozzle arrangement for higher capacity and greater runnability than any of its predecessors. Valmet Pressure-fed Bow Screen is capable of separating fiber as small as 100 microns in length from a water suspension.

Valmet Gravity Bow Screen

Valmet Gravity Bow Screen

A simple, effective solution for recovering fibers and other particles as small as 350 microns in length from a water suspension. This compact machine utilizes no moving parts and requires minimal maintenance.