Neles® butterfly valve, series L12

Neldisc® high performance triple eccentric valves

Metso's Neles® Neldisc® series L12 triple eccentric disc valve operate both in control and shut-off applications, with close to equal percentage characteristics and superior tightness.


Minimized pressure loss and energy costs of the process

Consistent performance even in the most difficult, changing process conditions

Industry best valve capacity

Suitable to dirty and abrasive services


  • Tripple offset, 2 piece shaft design
  • One piece, full metal sealing without any resilient parts in pipeline
  • High, long lasting tightness
  • Minimized actuator torque. Smaller actuator and lower piping stress
  • In-built thermal  and pressure compensation


  • Pulp & paper
  • Power generation



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