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A lazy W profile after the supercalender causes sheet problems

The lazy "W" roll profile at the calender windup can cause wrinkles, corrugations and baggy lanes. Thermal banding may be the culprit.

Field Report - Basic steps for troubleshooting hydraulic issues

There are many ways to diagnose hydraulic issues. Here are a list of some basic steps to follow, from research to working safely onsite to troubleshoot the problem.

Start-up checklists help operators avoid missing machine settings

Start-up checklists help new and seasoned machine operators through the start-up process without missing any machine settings. They are also good for training purposes.

Table of ream sizes for common paper, board and tissue grades

This table lists ream sizes by paper grade including lbs/ream to grams/square meter conversion factors.

Valmet Suction Roll Upgrades boost production line performance

Valmet offers a comprehensive list of suction roll upgrades to optimize production line performance, water and energy use, product quality, running time and reliability. These upgrade services bring additional benefits through tailored modernizations.

Biomass combustion improves Trollhättan air quality, case study

The inhabitants of Trollhättan, Sweden, breathe much cleaner air than they used to years ago. Over 90% of the district heating in Trollhättan is generated by combusting biomass instead of fossil fuels.

Extended lifetime coater blades feature carbide coating

Extended lifetime coater blades from Valmet optimize your total coating cost while providing high and stable coating quality. These high quality durable blades are tailored to each mill's process, using our extensive experience with hard coatings.

Valmet long lasting filter bags deliver the best performance

Valmet is the global market leader in disc filter bags, with over four decades of experience. Our bags fit perfectly, last longer, are durable and easy to install.

Valmet Recovery Boiler Cleaning - simple, efficient and safe

Valmet's recovery boiler floor washing service, Valmet Recovery Boiler Cleaning, washes the floor along with the rest of the boiler using low pressure water sprays and mixing devices. This decreases mechanical cleaning and reduces floor tube damage.

Refiners are running at double design capacity, case study

Valmet's latest refiner turbine segment patterns reduces energy consumption while lengthening segment lifetime.