Neles™ – Neldisc High Performance Triple Eccentric Disc Valves, Series LW & LG

Neles™ – Neldisc High Performance Triple Eccentric Disc Valves, Series LW & LG

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
  • Triple offset
  • Driveshaft with trunnion or through shaft (Model D only)
  • Zero leakage with true metal-to-metal sealing
  • One piece, full metal sealing without any resilient parts in the 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 – the 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

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

Series
LW & LG (Model D)
LW & LG
Design
Wafer or lug
Wafer or lug
Size range
DN 80 – 300 / 3″ – 12″ (excluding DN 125/5″)
DN 80 – 600 / 3″ – 24″
Pressure classes
ASME 150 – 300, PN 10 – 40
ASME 150 – 300, PN 10 – 40
Temperature range
-50 °C … +600 °C / -46 °F…+1110 °F
-200 °C … +600 °C / -330 °F…+1110 °F