Suction Roll Servicing

Complete mechanical restoration and vacuum optimization

Suction rolls are the heart of the dewatering process, and their reliability is critical to mill productivity. ANDRITZ provides a total rejuvenation process that goes beyond simple repairs to restore your suction rolls to peak operational standards. From structural shell integrity to the precision fit of internal suction box components, our expertise ensures uniform moisture profiles and extended component life.

Total roll overhaul

Our specialized service centers are equipped to handle the industry’s most demanding suction roll requirements. We combine heavy-duty mechanical restoration with precision engineering to drastically reduce vibration and vacuum loss. By restoring every fit and tolerance to OEM specifications, we provide a level of reliability that minimizes unplanned downtime and optimizes sheet dryness.

Services at a glance

Total disassembly and internal inspection of all working mechanisms
Nondestructive testing of the roll shell, heads and journal components
Internal suction box maintenance including seal strip and shower optimization
High-speed dynamic balancing and bearing fit restoration
Metal component protection including sandblasting, priming and epoxy painting
Installation of stainless-steel fasteners and internal piping
Comprehensive testing and reporting of all final tolerances

Trust your critical suction rolls to the team that delivers documented mechanical excellence. Contact your local ANDRITZ representative to learn more about our total roll restoration services.