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Valmet Seal Strip Flex extends roll change intervals, case study

The seal strip on this mill's paper machine was wearing too rapidly. For five years they had struggled. Valmet's new flexible seal more than doubled runtimes.

Solving wound roll interleaving on an older winder, a case study

Winder sets with a high number of rolls would interleave and wrinkle on the drive side. Calling in an OEM field service expert was a cost-effective solution.

Steam and condensate system performance - explanation and tips

The purpose of a paper machine steam and condensate system is to control steam pressures for optimum drying, provide stable control over the entire operating range and efficiently remove condensate from inside the dryers. This article presents tips for maintaining performance with your S&C systems.

Recovery air systems operations and optimization (webinar)

Valmet power and process expert gives insights into the liquor cycle, chemistry, air systems modeling, common risks and mitigation and optimization upgrades.

Boiler tuning best practices for efficiency (webinar)

An upcoming free webinar will show how boiler tuning allows recovery boilers to operate more efficiently. It explains key processes, terminology and tools.

Field Report - Slitter blade and band sharpening

Slitters must be sharp and properly sharpened. The best way to maintain a continual supply of sharp slitter blades is to use the Valmet BladePool service. If, however, you choose to do your own sharpening, here are some general instructions for sharpening at the mill.

Web handling - The poor man's spreader or bow-tie roller

Straight shaft rollers can be used as spreader rolls. They are called "Bowtie" rollers because a concave crown is machined into the roller.

Reliable solids measurement in the centrate

The waste water treatment plant in Steinhäule on the Danube river treats around 40 million m3 of wastewater per year. Sludge dewatering has been considerably upgraded with the installation of a highly accurate instrument for the measurement of solids from Valmet.

Northernmost biogas plant has run 5 years with Valmet automation

The world’s northernmost biogas plant has been running for five years with Valmet's automation Valmet DNA.

Use these general instructions to replace a hydraulic cylinder

This article contains general replacement instructions for hydraulic cylinders. In the absence of specific OEM or mill instructions, follow these instructions which include safety, preparation, cylinder removal/installation and completing actions.