Reliability
Valmet puts safety before anything else in our daily operations. We're also committed to supporting you in reaching your safety targets.
We provide reliability services that keep your equipment and processes running smoothly. We make sure that spare parts and components are easily available with minimal inventory costs. Reliable deliveries ensure that material is managed efficiently at your site every day.
Our maintenance and shutdown management services help you to keep your production assets in good working condition, minimizing downtime and controlling maintenance costs. We offer services for planning and implementing annual shutdowns to avoid cost and schedule overruns.
Reliability
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Field Report - Press diaphragm causes work stoppage, a case study
A chronic press load/unload diaphragm rupturing problem crippled the operation of the press at a mill. Plate and diaphragm misalignment were only part of the problem. Further analysis pointed to nipping roll diameter changes and incorrect diaphragm specifications.
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Field Report - Yankee creping problems and regrinds, a case study
In this case study, creping problems on a Yankee correlated with frequent regrinds. Analysis by the OEM specialist discovered misalignment, and made procedural recommendations to resolve the problems.
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Field Report - Yankee dryer operation and maintenance
The Yankee dryer is one of the most essential parts of the tissue machine. This pressure vessel serves as a base for creping, pressing and drying of the paper sheet. Condition and performance of the Yankee should be monitored regularly.
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Field Report - Troubleshooting headbox corrosion, a case study
Imperfections in a headbox's finish interfere with fiber flow through its chambers, resulting in sheet uniformity problems and a poor end product. A process and condition test can identify problems caused by corrosion, fiber orientation and machine limitations.
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Field Report - Avoiding workplace injuries
Most workplace injuries (almost 60%) are the result of common, everyday missteps such as overexertion and slips/trips/falls - not from violent events, crashes or exposure to harmful substances.
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Field Report - Know your safety color codes
Color coding is a brilliant safety idea because workers can tell at a glance - almost without thinking - that they’re facing a hazard and how bad that hazard is.
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Field Report - Monitoring roll condition
Paper machine rolls require a wide variety of maintenance and repairs throughout their running lives. The most effective method for preventing and alleviating problems is to continuously monitor roll performance and conditions.
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Field Report - Common hydraulic valves, cartridge pressure relief valves
Pressure relief valves are used to prevent over pressurization in the hydraulic circuit. They are located close to the pumps and reservoir tank or close to the equipment to safeguard from over pressurization.
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Field Report - Hydraulic power unit troubleshooting
Troubleshooting HPUs is easier when you evaluate the symptoms to determine root causes. These troubleshooting charts will help diagnose problems related to pumps, leaks, pressure, noise and heat.
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Field Report - Fabric guiding overview
Guiding of all types of fabrics follows similar basic rules, guidelines, and setup procedures. Here are some of the most important ones…