Neles butterfly valve, high performance triple eccentric valve, series L1 and L2

Neles Neldisc series L1 and L2 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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  • Applications
  • Special Features
  • Technical Specifications
  • Applications
  • Special Features
  • Technical Specifications
Applications
  • Pulp and paper
  • Water and waste water
  • Refining cooling waters
  • Oil and gas
  • Petrochemicals
  • ESD service
  • Industrial gas
  • Power generation
Special 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 Neles B-series actuator
  • Suitable for vacuum service
  • Very tight even in low dp’s
  • Extended rangeability to 90 degrees control applications
  • In-built thermal  and pressure compensation
  • Optimized spare part inventory
  • Suitable to dirty and abrasive services
Technical Specifications
Design
L1 - Wafer type

L2 - Lug type
Size range
DN 700 - 1200 / 28" - 48"
Pressure classes
ASME 150 - 300, DIN PN 25, 40
Temperature range
-200 °C … +600 °C / -330 °F … +1110 °F

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