Masoneilan SVI3 Digital Valve Positioner

The third generation  Masoneilan™ SVI™ is a user friendly digital valve positioner for pneumatic control valves.  Utilizing advanced control and diagnostic algorithms, along with field-proven noncontact position sensing technology, the SVI delivers accurate, responsive, and reliable positioning performance.


Reliable and Accurate:

  • Build on 20+ years and billions of hours of field proven valve position sensing technology, control algorithms, and advance performance pneumatic design
  • Extended temperature range down to -55 degC


Increases Plant Efficiency:

  • Online Valve diagnostics – 19 new diagnostics to continuously monitor valve health while the valve is in operation
  • Data Storage – up to 1 year of diagnostic data stored within the device – trend and identify valve problems before they impact plant operation
  • Improved pneumatic performance – 40% reduction in steady state air consumption, with 15% increase in air delivery


Simple and Easy to Use :

  • Simplified commissioning –  “SMART CAL” single button setup and calibration
  • Improved user interfaces and integration software to all major control systems
  • One device – modular platform to support future upgrades


Signal – Communication

  • HART 7 over 4-20mA



  • Positioner Diagnostics
  • Advanced Diagnostics
  • Online Valve Diagnostics:


Construction / Materials

  • Copper-free Aluminum Housing


Operating Temperature

  • -55°C to +85°C


Pneumatics Action

  • Single Acting, fail safe
  • Rotary and linear


Supply Pressure

  • 20 to 120psi


Air Delivery

  • 410 SLPM @ 30psi



  • ATEX, IECEx, US, Canada approvals (in process, pending) for
    • Flameproof/Explosion-proof
    • Intrinsic Safety
    • Dust Ignition proof
    • Increased Safety