Roll upgrade services for tissue machines
Upgrade services provide improved roll performance and productivity by applying new innovations into your existing roll base. Valmet modular maintenance solutions such as upgrade services are especially targeted for critical process rolls e.g. deflection-compensated rolls and suction rolls.
Benefits of upgrading an existing roll base?
- Improved machine efficiency
- Extended machine time
- Improved energy efficiency
- Improved safety
One example of upgrades is Suction Roll Upgrade Seal Flow. With Seal Flow, it is possible to achieve savings of up to 50% on the water used in the showers (calculated for 9 meter shell length).
| Water consumption l/s/m | Water consumption m3/year | Annual water cost | |
| Original | 0.22 | 59,900 | EUR 59,900 |
| SealFlo | 0.11 | 29,950 | EUR 29.950 |
Potential annual savings: EUR 30,000 |
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Some of the latest suction roll innovations for added reliability, performance and energy efficiency
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Valmet Suction Roll Upgrade Lock Seal
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Valmet Suction Roll Upgrade Seal Flow
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Valmet Suction Roll Upgrade Shell
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Valmet Suction Roll Upgrade Edge Blow
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Valmet Suction Roll Upgrade Edge Light
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Suction roll upgrade for improved pickup
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Customer success stories and technical articles
Roll change interval increased from one to two years with Lock Seal
The Adolf Jass Fulda mill chose the Lock Seal axial seal technology developed and patented by Valmet. Nowadays it is a standard solution in Valmet's high-speed machines. Each existing roll including a competing product can be modernized with Valmet Lock Seal.
