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Roll covers

Roll covers for paper and board machines

Increase your efficiency with Valmet's roll covers

Valmet's long experience in the paper industry gives us unique expertise in developing the perfect roll covers for every step of the papermaking process. Our broad process experience means that we know the right roll cover for each paper, board and tissue making application to produce end quality that satisfies our customers. Valmet's advanced material technology lets us maximize the performance of a production line’s forming, pressing, drying, and finishing sections. Our roll covers are based on state-of-the-art polymer and thermal coating technologies that provide excellent wear resistance, stable roughness and hardness, and durability in demanding operating environments, enabling trouble-free roll run periods.

With Valmet's roll cover technology, you can achieve your key production goals:

  • Increased efficiency and productivity
  • Improved paper quality 
  • Longer running times
  • Lower maintenance costs
  • Reduced energy consumption

Continuous development of new technologies

Valmet customers have access to the latest roll cover technologies in the industry. Valmet roll covers can be used with iRoll – the most versatile and sensitive online profile measurement tool in the industry. This technology provides real-time insights into the papermaking process, making it possible to adjust and optimize performance to the highest level. Valmet's latest Industrial Internet offering combines process technologies, services and automation to provide applications and services to improve the reliability and performance of your processes. Customers can also have remote monitoring and real-time support from Valmet’s experts through the Performance Centers. 

  

Click the image above to explore the Valmet roll cover application tool

 

Our global roll workshop network of over 30 locations around the world ensure professionals can easily carry out roll cover inspections; perform onsite coating, patching and repair services; and provide application support and general troubleshooting in your location. We also offer support ranging from grinding, recovering, and servicing rolls, to complete roll service management. 

Articles and references

Improving press performance step by step

Improving press performance step by step

After a four­phase improvement project, Thai Cane Paper enjoys lower steam consumption, better runnability, higher paper dryness, longer felt lifetimes, and vacuum energy savings in its PM 2 press section.

Press Roll Cover PP eliminates production bottlenecks at Green Forest Paper

Press Roll Cover PP eliminates production bottlenecks at Green Forest Paper

By choosing an optimal roll cover for its highly loaded press rolls, the Green Forest Paper mill has managed to increase production, save energy and reduce maintenance costs.

Smoothing the way at Skoghall

Smoothing the way at Skoghall

Skoghall renewed their smoothing press cleaning device and improved roll cover durability by choosing Valmet Smoothing Press Roll Cleaner and PressKodiak roll cover.

Lee & Man: Better runnability and faster tail threading

Lee & Man: Better runnability and faster tail threading

By converting double-felted cylinders in the fourth and fifth dryer groups to single-felted cylinders, Lee & Man was able to improve the runnability and shorten the threading time of its PM 15.

Press Roll Cover PP keeps the rolls turning

Press Roll Cover PP keeps the rolls turning

After using Press Roll Cover PP at BillerudKorsnäs Gruvön PM 6 in Sweden for about six months, press roll drive energy consumption had decreased as promised and the running performance showed the predicted results.

Optimum press roll surface structures

Optimum press roll surface structures

Paper, board and tissue makers all have their own roll surface structures that they are used to having on their press section rolls. In many cases, those structures have been there from day one and may no longer be the most effective ones, taking into account advances in materials, felts and knowledge.

Stora Enso Veitsiluoto extended their roll change intervals on coating stations

Stora Enso Veitsiluoto extended their roll change intervals on coating stations

As the first supplier, Valmet introduced a polyurethane cover that lasts a long time in blade coating.

80% less winding broke with iRoll

80% less winding broke with iRoll

With Valmet’s iRoll technology and optimal control strategy for each grade, Sappi Alfeld has reduced winder broke by 80% on its PM 2.