Savings. Safety. Reliability.


  • Optimized performance
  • Superior diagnostics and data storage capabilities
  • Local and remote configuration
  • Easy interpretation of diagnostics data
  • For rotary and linear valves
  • Single and double acting versions
  • Low air consumption
  • Reliable and robust design
  • Device self diagnostics
  • On-line, performance and communication diagnostics
  • Intrinsically safe and explosion proof
  • SIL 2 capable



  • Simple installation to eliminate human error
  • High reliability with proven technology and extensive testing
  • Elimination of external mounting linkages

Operational savings

  • Elimination of additional instrumentation
  • Cost savings with stock management
  • Supply air savings
  • Efficiency and cost reductions in valve maintenance


  • Intuitive, easy and fast installation
  • Easy commissioning with touch screen or remotely
  • Easy product selection
  • Easy diagnostics with recommended actions
Technical specification
Temperature range: -40 ... +85 °C / -40 ... +185 °F
Communication: HART
Protection class: IP66 / NEMA 4X enclosure
NDX technical bulletin Download
NDX brochure Download
Installation, maintenance and operating instructions Download
Link to valve related software Download
Link to Metso DeviceCare Download

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