Neles® butterfly valve, series LW and LG

Neldisc® high performance triple eccentric disc valves

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

Benefits

Minimized pressure loss and energy costs of the process

Industry best valve capacity

Consistent performance even in the most difficult, changing process conditions

Shortest possible maintenance hours

Features

  • LW wafer type, LG lug type
  • Tripple offset, 2 piece shaft design
  • One piece, full metal sealing without any resilient parts in pipeline
  • High, long lasting tightness
  • Unique, industry best disc valve control behavior with patented S-disc feature – possible to mount even on existing valve units
  • Modular design minimizes the spare part inventory – same spares can be used in multiple Neles Neldisc designs
  • Minimized actuator torque. Smaller actuator and lower piping stress
  • BAM certified construction for gaseous oxygen as an option
  • In-built thermal  and pressure compensation  
  • Extened rangeability to 90 degrees control applications
  • Optimized spare part inventory
  • Suitable to dirty and abrasive services

 

Applications

  • Biotechnology
  • Geothermal applications
  • Pulp and paper
  • Water and waste water
  • Refining
  • Oil and gas
  • Petrochemicals
  • ESD service
  • Industrial gas
  • Power generation
  • Food and beverages

Specifications

Downloads

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