Công ty TNHH Thương mại và dịch vụ Công nghệ cao B&T Việt Nam

Neles® Neldisc® High Performance Triple Eccentric Disc Valve, Series L1 and L2

1- Features

  • L1 wafer type, L2 lug type
  • Tripple offset, 2 piece shaft design
  • One piece, full metal sealing without any resilient parts in pipeline
  • High, long lasting tightness does not rely on differential pressure
  • 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
  • Neldisc triple eccentric disc valves operate both in control and shut-off applications.
  • Compact and light weight construction with Metso B-series actuator
  • Suitable for vacuum service
  • Very tight even in low dp’s

2- Benefits

  • Minimized pressure loss and energy costs of the process
  • Consistent performance even in the most difficult, changing process conditions
  • In-built thermal and pressure compensation
  • Industry best valve capacity
  • Extended rangeability to 90 degrees control applications
  • Optimized spare part inventory
  • Suitable to dirty and abrasive services
  • Shortest possible maintenance hours

3- Specifications


  • Series: L1C, L1D, L2C & L2D
  • Design: L1 – Wafer type

L2 – Lug type

  • Size range: DN 400 – 1200 / 16″ – 48″
  • Pressure classes: ASME 150 – 300, DIN PN 25, 40

Temperature range: -200 °C … +600 °C / -330 °F…+1110 °F


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