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Dewatering elements for tissue machines

Increased production capacity and improved quality with proper initial drainage

Dewatering equipment beneath the forming fabric helps drain water from the stock and conduct it away into the whitewater system. Proper initial drainage is important whether your priority is to increase production capacity or improve quality, or both. Valmet offers a comprehensive range of polyethylene and ceramic dewatering elements to suit virtually all positions and OEM machine configurations.

Let us be your co-driver for success

Valmet solutions that combine parts and expert support will drive your production performances further. When you choose Valmet performance parts you are not just buying wear parts. You are also gaining greater availability, higher end-product quality and enhanced productivity.

With the combination of parts and expertise, we can together make a difference at every stage of your production process. We have increased production output and decreased total costs together by applying optimal performance parts to each position.

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Carefully selected materials for the longest lifetime and quality

Our carefully selected materials are used in different applications for different purposes. For example, we finalize our ceramics to very low surface roughness to make sure that fabric wear and power consumption is minimal.

Typical application/ Machine concept

Ceramic material

Lifetime

Surface quality (Low power consumption,
low fabric wear)

Investment cost

  • < 800m/min all wet positions
  • 800-1200m/min fourdriniers before waterline
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  • > 1200m/min fourdriniers
  • Gap formers
  • High vacuum positions
  • Stressed positions
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  • >1200m/min fourdriniers
  • Gap formers
  • Stressed positions
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  • All high speed machines
  • Gap formers
  • Press section
  • Highly stressed positions

Superb Silicon Nitride

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Dewatering Element Ceramic

  • Wear resistant materials offer long and trouble-free operation and optimized dewatering
  • Short delivery times
  • Grinding and repairing service available
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Dewatering Element Poly D

  • Outperforms standard polyethylene by at least 4 times
  • Offers tremendous wear resistance
  • Valmet’s Poly D technology is a true polyethylene compound that does not suffer stress cracking or thermal shock damage
  • Typical maximum machine speed < 760 mpm
  • Supplied to 200 mills worldwide

Dewatering Element Poly S

  • UHMW polyethylene suitable for many wet end applications
  • Typical maximum machine speed < 460 mpm
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Meet your co-driver for Valmet Dewatering Technology

 

Join us as we discuss the latest in dewatering technology with Guy Bedard, our Product Manager from North America.
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