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Hydraulic safety - 5 tips for before, during & after maintenance

Hydraulic maintenance should be performed by knowledgeable, trained technicians. Here are some tips for safely and efficiently working on hydraulic systems.

Niploading of SymSizers - problems, corrections and maintenance

Nip loading varies based on the type of size / coating applied, the roll crowns and the incoming sheet. Wrinkles, skewing and e-nip profiles are important.

Example equipment update analysis - rebuild/replace/add a winder?

When examining an older piece of equipment that does not meet today’s performance requirements, a mill must determine if it should be rebuilt or replaced.

Stop waste due to cockle wrinkles - avoid contributing factors

Cockle wrinkles, common on light weight paper machines, cause waste paper and rejected rolls resulting from downstream sheet breaks. They are influenced by basis weight variation and high drying temperatures.

Wet end tools for paper/board quality and strength (webinar)

An upcoming webinar describes how each component at the wet end of a paper machine can be operated to optimize the quality and the strength of specific grades.

Recovery boiler optimization - Reduction rate control, case study

A recovery boiler’s main control variables of reduction rate were studied and the performance of the Valmet Recovery Analyzer’s online reduction rate measurement was evaluated in real recovery boiler conditions at Stora Enso Veitsiluoto in Kemi, Finland.

Expertune PID Loop Optimizer

In many plants, process engineers are guessing PID tuning numbers. The outcome of guesswork is increased wear on valves, shortened valve life, poor control, and inconsistent results. Expertune PID Loop Optimizer is a PID tuning software designed to eliminate the guesswork. It helps in properly tuning and stabilizing the plant, improves the reliability of valves, and makes it easier to sleep at night.

Neles™ pneumatic linear cylinder actuator, series VC

Neles double acting VC series piston type linear actuators are designed for use in both modulating control and on-off service. These actuators offer an extremely long cycle life and are well suited to operate linear valves with medium to high thrust requirements.

APP Jingui PM2 - Seamless cooperation creates maximum synergy

APP Jingui BM2 is a complete large-scale high-speed production line for coated white cardboard, delivered by Valmet. APP Jingui BM2 has been a success from the moment it started up. It took only three hours to achieve a smooth start-up in the uncoated section – from the stock entering the headbox to leaving the pre-calender. Watch the video to learn more about the cooperation between Valmet and APP, that resulted in a success from the start.

Roll agreements

Valmet Roll Service Agreement gives you a stress-free life in roll operations. No more surprises or last-minute repairs. Together, we can tailor the agreement to your needs. Whether it’s about roll maintenance, roll covers, replacement rolls, or upgrades, you’ll always get the right combination of services for every stage of the lifecycle. Our intelligent roll solutions and remote support are also available to ease your everyday work and keep the process up and running without interruptions.