Valmet’s Web Monitoring and Inspection Systems to enhance line efficiency and tissue quality at Metsä Tissue’s Mariestad mill in Sweden
Valmet will deliver a Valmet IQ Web Monitoring System (WMS) and a Valmet IQ Web
Inspection System (WIS) to Metsä Tissue’s Mariestad mill in Sweden. The systems
will support improved line efficiency and ensure high product quality on the existing
tissue paper machine PM 35.
The order marks the first delivery of Valmet’s new generation Valmet IQ Web
Monitoring System, which was launched to the market in the fourth quarter of 2025.
In addition, the Valmet IQ Web Inspection System is equipped with new
high-performance Valmet area cameras, enabling high-resolution imaging at fast web
speeds. Together, these capabilities deliver exceptional image quality, precise defect
detection, and long-term reliability to improve production efficiency and performance.
The order further strengthens the long-standing cooperation between Metsä Tissue
and Valmet. It follows previously announced delivery of Valmet IQ Quality Control
System to the same production line.
“At Mariestad, we're not just building capacity - we're setting new quality standards for
European tissue production with our 145 000 tonnes of capacity. Valmet's latest
monitoring technology enables us to detect and address quality variations in real-time,
ensuring every product meets the exacting standards our customers expect. This
investment reflects our commitment to quality leadership, not just operational efficiency." says Johan Bäck, Technology and Development Engineer, Metsä Tissue Mariestad.
“We are pleased to continue our close cooperation with Metsä Tissue. By leveraging
Valmet’s latest machine vision innovations and technologies, the customer can ensure
high performance and consistent end-product quality well into the future.” says Roger
Holmedahl, Senior Sales Manager, Automation Solutions business area, Valmet.
The order is included in Valmet’s orders received in 2025. The value of the order will
not be disclosed. The delivery will take place in the first quarter of 2026.
Delivery's technical information
The delivery includes a Valmet IQ Web Monitoring System (WMS) and a Valmet IQ
Web Inspection System (WIS). Equipped with two powerful LED light units, Valmet
IQ WMS delivers optimal illumination for sharper, more detailed visuals at resolutions
up to 4K. World-leading zoom pinhole optics further ensure reliable camera
performance, even in the harshest environments.
The Valmet IQ WIS supports continuous online quality control by providing
information that helps identify and reduce the sources of web defects.
About the customer
Metsä Tissue is a leading European manufacturer of tissue paper and greaseproof
products, serving both consumer and professional markets. The company's brand
portfolio includes Lambi, Serla, Mola, Tento, Katrin and SAGA. As part of Metsä
Group, Metsä Tissue achieved EUR 1.1 million in sales in 2025 and employs
approximately 2,400 people.
Metsä Tissue's Mariestad mill in Sweden.
For further information, please contact:
Roger Holmedahl, Senior Sales Manager, Automation Solutions business area,
Valmet, tel. +46 703 171 414
