Valmet coating stations

High-quality and functional coating

Valmet's innovative coating solutions are suitable for all paper and board grades. High performance and functionality are common characteristics for the entire range of coating technology. Taking advantage of Valmet's expertise in choosing the correct kind of coating and drying concepts means that your coating machine will produce high-quality board and paper in a cost-effective and environmentally sound way.

Combining different coating methods

The different coating application methods are suitable for different purposes. Sometimes you need more than one coating layer applied with more than one coating type of a coating head to achieve the optimal results. In the following image you can see the different kinds of benefits of two different coating methods: blade coating and curtain coating. Blade coating improves smoothness and curtain coating improves coating coverage - together they delvier immaculate coating quality!

Profile variation with different coating methods

Profile variation with different coating methods is quite big. It goes hand in hand with the previous example of combining different coating methods. Peak-to-peak coat weight variation has a great effect on the prinnting quality in the later stages of the process. Let our experts help you choose the best solution for you!

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Learn more about our OptiCoat solutions

OptiCoat Layer curtain coating

The OptiCoat Layer multilayer curtain coater applies extremely thin – or thick - and uniform layers simultaneously all within one, compact coating station. It is equally suitable for both board and paper machines, regardless of their speeds and widths. The multilayer concept offers several advantages over single-layer curtain coating and other conventional coating methods.

OptiCoat Jet blade coating

OptiCoat Jet coating provides very uniform and skipfree coating quality. It gives the best possible surface smoothness compared to any other coating method.

OptiCoat Roll metering roll coating

In OptiCoat Roll coating an excess amount of coating color is applied to the paper surface with the applicator roll. Final coat weight is then controlled by a metering blade or rod. The coating quality is very uniform and smooth.

OptiCoat Short Dwell coating | valmet.com

OptiCoat Short Dwell is a blade or rod coater with short dwell time application, especially well-suited for high-speed LWC coating. Short dwell time means that water penetration into base paper is minimized. This enables archieving low coat weights easily.

OptiSizer Film sizing

OptiSizer Film offers a functional and innovative design, based on know-how and long experience. Its simple and reliable design results in easy operation, installation and fast initial start-up.

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OptiCoat Layer curtain coating: flexible coating method for excellent printing properties

Nov 29, 2023

OptiCoat Layer multilayer curtain coater is an easy-to-use coating application method for board and paper coating delivering excellent coating quality. There is no need for profiling; profiles are stable within a wide operation window. Due to an even coating thickness, coating layer has a uniform brightness.

New off-line coating machine at SAICA El Burgo

Mar 25, 2019

A beautiful story of partnership to develop completely novel and innovative coated white top liner grades. Valmet supplied a new off-line coating machine at SAICA El Burgo in Zaragoza, Spain, where curtain coating head plays a key role.

Energy-efficient air drying at SAICA, El Burgo

Mar 25, 2019

Safety played a key role when SAICA El Burgo in Zaragoza, Spain, chose air drying technology for their new, Valmet-supplied off-line coating machine. High coating quality proved at pilot trials and energy savings compared to IR dryers were also important.

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Liansheng Pulp and Paper: big success with PM 1 carton board and PM 3 high-grade fine paper lines

Feb 27, 2024

Living up to expectations, Liansheng’s PM 1 carton board and PM 3 high-grade fine paper production lines have been recognized as a success not only by Liansheng, but also by their customers.

Low-carbon capacity with Jingui BM2

Oct 19, 2022

In 2021, APP Group successfully started up their new Jingui BM2 machine. The Valmet-supplied technology used in BM2 helps the company to meet its goals for low-carbon operations.

Uncompromised roll cover performance for sizing and coating

Mar 10, 2020

Valmet is the market leader in ﬁlm coaters and sizers, and has developed a great deal of related process know-how. We have put this expertise to good use in developing new roll cover materials that deliver uncompromised sizing and coating performance with both grooved and smooth rods, as well as with coating blades.

Joining forces for innovation with SAICA El Burgo's new off-line coating machine

Dec 11, 2018

SAICA was aiming for improved quality, reduced costs, and responsible fiber use, but it found itself with innovative coated white top liner grades with better properties than they bargained for. This was a result of three partners – SAICA, Valmet and pigment supplier Omya – joining forces.

Coater bottom waste reduced at Burgo Villorba

Aug 20, 2018

The off-machine coater at Burgo Villorba’s paper machine PM 8 in Italy is making good use of Valmet’s WaterJet turn-up system and Valmet’s knowhow. With over 99% roll change performance efficiency, they have reduced the amount of bottom waste significantly and increased the average speed of the coating machine by 100 m/min, and they are now operating more safely.

Control system migration, one step at a time

Nov 29, 2017

Coating kitchen DCS replacement with Valmet DNA at Iggesund Workington mill.

Hands-on quality at Stora Enso's Beihai Mill

Oct 27, 2017

Stora Enso’s packaging board is truly a team effort: the result of focused production practices, reliable technologies, a passion for quality control and full supply chain traceability, and the quest for perfect printability and convertability. It all comes together at the Beihai mill site in China.

Goals achieved with coater section rebuild in Mayr-Melnhof Kolicevo

Jul 6, 2017

All the targets for the project were achieved. Runnability is better than before, and the efficiency is better, too,” says Rok Sustar from Mayr-Melnhof Kolicevo in Slovenia. A multilayer curtain coater and a blade coater started up after a very short shutdown period in the summer of 2015. A supply system for the two layers of the curtain coater was also installed.

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Rebuilding a paper or board machine can improve the competitiveness of your business and your processes. Download our e-book to learn more.

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Learn more about the services and automation solutions for coating

Coater blades

Coater blades play an important role in the paper or board making process. They hugely affect efficiency, both materials and time, and have a major impact on final product quality. In blade coating, paper quality variations and rapid wearing of coater blades inevitably result in production losses and higher blade costs. The Valmet Coater Blade family consists of four carbide blades which leave a uniform layer of coating color on paper or board surface, thus creating an excellent finish for d...

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.

Roll maintenance

Valmet’s modular maintenance service solutions consists of roll maintenance, roll reconditioning, and roll upgrade services. These solutions help board and papermakers achieve maximum performance with transparent and consistently high-quality maintenance services.

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.

Tail threading

A reliable tail threading process decreases tail threading times, minimizes waste and improves safety. This means an investment in your process is an investment that pays for itself. Whether you need improvements in paper or board machines, we have an advanced tail threading solution that clearly enhances your production efficiency. Our comprehensive range of tail threading services, from preventive maintenance to tail threading study secures optimal operation of your equipment and reduces threa...

Automation for Board and Paper

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