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Roll types

iRoll technology

Valmet iRoll technology improves production efficiency and product quality by assuring optimal runnability of tissue machines. Tissuemaker can obtain significant cost savings by improved nip profiles, parent roll hardness profiles and tension profiles as well as printer and converter satisfaction.

Sizer roll covers

The film sizing and film coating process have a direct impact on paper and board quality, both on paper strength as well as on paper appearance. Moreover, as on-line processes they are critical for the paper machine line efficiency. This puts high demands on the sizer roll covers.

Coater roll covers

For highest quality coated board or paper, with high smoothness and gloss, in blade coating, Valmet offers a full range of reliable rubber roll covers as well as a high performing polyurethane cover. These roll covers have good wear resistance and strength properties ensuring long grinding intervals and long lifetime.

Calender roll covers

Targeting long grinding intervals and smooth surface quality? Valmet’s calender roll covers provide longer service intervals and optimum paper or board properties. Besides providing better marking resistance, our calender covers allow much higher speeds and temperatures without damage than conventional alternatives. For paper and boardmakers these factors mean quality. Let Valmet help you to run with the most suitable cover for your calender.

Reel drum covers

Valmet’s reeling solutions offer high-standard manufactured roll covers and coatings ensuring excellent runnability and a long running time in the reeling process. Whether the produced paper is dense or bulky, you will find a suitable roll cover for your reel spool and reel drum from Valmet.

Winder drum covers

Valmet’s soft roll covers for winding applications provide good wear resistance and durability for high speed winding, resulting in long running times and high production levels. The hard thermal coatings for winder drums are even applicable on-site, with no need to remove the drum from the winder.

Roll covers

Valmet’s long experience in tissue making processes help you to choose the right roll cover for each tissue machine application. Our roll covers and coatings 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 run periods.

Services for emission control in pulp mills

By working together, we can ensure maximized reliability and optimized performance of the emission control and energy production process.

Rolls

With over 50 years of roll manufacturing experience, innovative R&D, and the process know-how of a paper-machine builder, Valmet offers highly reliable roll solutions that provide maximum performance and extend maintenance intervals.