By installing the FLSmidth two piece Z-Flap Conversion Kit
  • Reduced maintenance
  • Longer bearing life
  • Longer barrel-liner life
  • Longer screw life
  • Increases air seal life as much as 4 times
Unit of Measure



  • Discharge end bearing support
  • Easier handling
  • Permanent drive shaft



  • Eliminates screw, barrel liner and seal damages caused by “whip”
  • Reduced seal and/or screw flight replacement time to as little as four (4) man hours
  • Ease of seal replacement by eliminating need to remove screw during seal replacement
  • Lower purchasing cost
  • Eliminates repair cost and down time caused by shaft cutting



  • Maintains balanced operation at all load conditions
  • Screw flight replacement through hopper
  • Access to seals without removing screw
  • Eliminates screw bushing
  • Eliminates need for screw shaft cutting due to shaft binding in screw bushing