LW/LG

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.

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Features

  • LW wafer type, LG lug type
  • Triple offset, two-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
  • Extended rangeability to 90 degrees control applications
  • Optimized spare part inventory
  • Suitable to dirty and abrasive services

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

Applications

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

Specifications

  • Design: Wafer or lug
  • Size range:          DN 80 – 600 / 3″ – 24″
  • Pressure classes:              ASME 150 – 300, PN 10 – 40
  • Temperature range:       -200 °C … +600 °C / -330 °F…+1110 °F