Free of maintenance combined flow regulating valve. Featuring position indicator as standard as well as travel limiter and non-rising ahdnwheel. Precise, practical, professional.


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Features :

  • Fine adjustment through user-friendly digital display design: accurate to 1/10 hand wheel rotation; zero-point adjustment can be fixed reliably; easy to read from above (position indicator at DN250-400)
  • Easy to adjust even with insulation: extended measurement tappings can be fitted on request
  • Cost savings through freedom from maintenance
  • Cost-effectiveness through quality: exact assurance of your quality standards from the time you place your order, through quality assurance in accordance with DIN ISO 9001
  • Variable measuring instrument connections (mounting of angle connections possible)
  • Ease operation even in cramped spaces through upright handweel
  • Fast and easy to insulate through screw down globe valve (in accordance with german „Energy saving order - EnEV“)
  • Easily accessible measuring instrument connections above the flange
  • Dew point suppression integrated in the insulating cover (ASTRA®)
  • User-friendly through standard „Open/Closed“ display (ASTRA®)
  • Optimised adjustment through fine thread (ASTRA®-„Plus“ DN 15-80)


  • Weight 3,7 - 620 kg
  • Diameter 15 - 400 mm
  • Pressure 16 - 25 bar
  • ARI-ASTRA Data Sheets
    Detailed information about ASTRA & ASTRA Plus Flow Regulating Valve; specifications, materials, applications, etc.
  • ARI-ASTRA Flow Diagram
    Flow diagrams of ASTRA & ASTRA Plus flow regulating valves based on several test results with different parameters.