Neles™ – Eccentric Rotary Plug Valves

Neles™ – Eccentric Rotary Plug Valves

Outstanding performance, reliability and safety for general and demanding control applications


  • Heavy duty anti-blowout shaft.
  • Rotating, dynamic Q-trim attenuator for anti-cavitation and noise abatement.
  • Low emissions according to ISO 15848 with wide temperature range and the longest endurance class.
  • Certified safety performance, capable to SIL 3 level according to IEC 61508
  • Fire safe certification according to API 607, 6th edition


  • Heavy-duty design withstands impurities and thermal cycles and ensures extensive life time.
  • Unique balanced plug design reduces dynamic torque and allows accurate, stable control for the full 90 degrees rotation.
  • Effective, rotating Q-trim attenuator for cavitation and noise abatement is a self flushing design and capable to handle dirty fluids also.
  • Live loaded rotary packing ensures excellent control for fugitive emissions with long endurance.
  • Fire safe, fugitive emission and SIL certification together with anti-blowout shaft design meet the most stringent HSE requirements for control valves.
  • Excellent reliability with low maintenance cost.
  • Versatile mounting orientations.


Body construction Flanged
Body pressure rating PN 10 – 100 / ASME Class 150 – 600
Face to face According to IEC 60534-3-2 / ISA 75.08.02 or IEC 60534-3-1
Size range DN 25 – 250 / 1″ – 10″
Temperature range -200 °C … +425 °C / -328 …+797 °F
Tightness According to ANSI/FCI 70-2 class IV (metal seat) and class VI (soft seat)