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Attenuators - operation, maintenance and troubleshooting

A pulsation attenuator, inserted in the stock approach piping, acts as a buffer for the headbox against pulsations developed by stock system components.

Vibration analysis - commonly used terms and definitions

This article provides definitions of terms that appear in a vibration analysis reports and may need further explanation. Graphics illustrate some concepts.

References and articles

This section gathers articles and stories worldwide that highlight customer success, Valmet innovations, expert insights, as well as giving food for thought. Whether you're interested in the latest technological innovations or inspiring career stories, we provide you valuable knowledge and inspiration.

Pulping and fiber articles

Explore our expertise in the pulp industry through a collection of insightful customer stories and articles.

Optimal performance and a new production world record at Södra Cell Värö mill

In the autumn 2021 Valmet provided a rebuild of the cutter to speed up production. Start-up was successful and in December 2021 the mill reached a new monthly production record of more than 68 000 air dried tonnes.

Valmet sums up a good year of Pulper feed system sales

Valmet's dewiring technology sales has had a good year with many orders from the pulp, paper and tissue industry worldwide, which has strengthened Valmet's position as a leading supplier. The total value of orders received for the year is over 10 million euros.

Valmet Airborne Dryer - Everything is possible, from small targeted upgrades to rebuilding of the entire dryer

Valmet performs the full range of conversions and upgrades, to make sure the pulp dryer is perfectly adapted to each customer's needs.

Valmet Airborne Dryer - Easier and safer than ever to run and maintain, for unparalleled user friendliness

The Valmet Airborne Dryer is designed for maximum user-friendliness, with smart innovations based on proven technology making operation easier and safer than ever before.

Production world record at OKI Pulp & Paper Mills

The drying machine 1 at OKI, a project carried out by APP with technology supplied by Valmet, has achieved a new production world record in April 2018

Lumpbreaker felting equipment results in “grand slam” for mill performance

Revamping a pulp drying line for improved performance and higher tonnage—discover how a Southeastern U.S. pulp mill optimized its operations.