Series A Linear Angle Control Valve

Metso’s Neles® angle valves designed to provide the best possible control accuracy and wide rangeability with economical high-performance. The A series valves are designed for use in both modulating control and on-off service and available with Unbalanced trim, Balanced trim, and Omega multistage trim.


  • Wide variety of trim options and wide material selection for different application including general and severe process
  • Contoured plug, special multi drilled and multi staged trim are designed for high pressure drop of both compressible and uncompressible fluid as it enables the flow velocity
  • Quick change trim and top entry construction for easy in-line maintenance
  • Easy in-line maintenance and valve assembly and self-guiding


  • Erosive fluid can be conditioned through straight to down path
  • Low cost of ownership and minimized maintenance need
  • Stable process and noise control
  • One-piece body to minimize the leak paths and make the valve insensitive to pipe stress


  • Excellent in controlling liquid, gas and steam flows in all industries
  • Wide material for different applications
  • Large variation of trim selection for low noise and anti-cavitation service
  • Stable control with good rangeability with superior accuracy
  • Refining & petrochemical
  • Power plant
  • Industrial gas
  • Offshore



  • Series:  AU, AB, AM
  • Design: Linear angle valve
  • Size range:          DN 25 – 1200 / 1″ – 48″
  • Pressure classes:              ANSI 150 – 2500
  • Temperature range:       -198 °C … +593 °C