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Dryer fabrics

Dryer fabrics for paper and board

Valmet’s dryer fabrics are trusted by paper and board manufacturers to speed up drying rate, enhance paper quality and increase energy savings. The essential properties of a good dryer fabric are durability, seam strength, dimensional stability and easy cleaning.

Our dryer fabric offering for reliable and durable performance:

Valmet Dryer Fabric OR 

Valmet Dryer Fabric OR (earlier known as OptiRunner) is targeted for single felted sections in packaging, printing and writing machines requiring good tail threading, runnability and cleanability. It is a single layer fabric with double warp system featuring:
  • High contact surface area and efficient heat transfer
  • Excellent wear and jam resistance
  • Maximal runnability
  • Strong warp loop seam
  • Flexible and strong edge reinforcement
  • Easiness to clean

Valmet Dryer Fabric OP

Valmet Dryer Fabric OP (earlier known as OptiPerm) is targeted for conventional groups where improved runnability is needed – to minimize sheet fluttering. It is a single layer fabric having a double warp system featuring:
  • High contact surface area and efficient heat transfer
  • Excellent wear and jam resistance
  • Improved machine runnability
  • Strong warp loop seam
  • Enhanced HP cleaner efficiency
  • Flexible and strong edge reinforcement

 

Valmet Dryer Fabric OSF

Valmet Dryer Fabric OSF (earlier known as OptiStrong F) is targeted for conventional dryer groups. It is a strong and stable woven fabric with flat MD yarns fabric featuring:
  • Efficient drying
  • Good heat transfer with increased pocket ventilation 
  • High air permeability (500 cfm)
  • Still rather high contact area
  • Strong PEEK spiral loop seam easy to seam

Articles

Valmet Dryer Fabrics are optimized for durable and reliable performance

Valmet Dryer Fabrics are optimized for durable and reliable performance

Durable and reliable dryer fabrics make the paper-making process predictable and minimize the need for unplanned fabric changes. Valmet has developed new products to ensure that dryer fabrics remain durable and reliable, even under challenging conditions. These optimized, economical solutions match customers’ exact needs.

Start-up with Valmet paper machine clothing

Start-up with Valmet paper machine clothing

Valmet supplied paper machine rebuild for Stora Enso's PM3 in Varkaus started up successfully. The mill feels that a single point of responsibility is beneficial, as there are fewer players and thus fewer overlaps in the start-ups.

Improved efficiency for paper and board making with dryer fabric for single felted groups

Improved efficiency for paper and board making with dryer fabric for single felted groups

The demands placed on paper and board machine clothing are high, as the fabrics have to support the smooth operation of the entire production line. Dryer fabrics also need to withstand high temperatures, high fabric wear risk caused by mechanical seals and rolls, as well as high-pressure cleaning up to 600 bars.