Intelligent Electrical Actuator

NordenFlow intelligent electrical actuators deliver accurate and reliable positioning for on/off and modulating valve automation. Designed for harsh industrial environments, they provide smart control, diagnostics, and feedback for stable and efficient operation.

Product Overview
Compact, intelligent electric drives for quarter-turn and multi-turn valves. Available with integrated controls, local/remote operation, and failsafe options.

Multi-Turn Actuator

Technical Features

Multi-turn Actuator torque from 30Nm to 2500Nm. 
Power supply: 1-phase/3-phase AC or 24 VDC
Enclosure Protection: IP68, Double-seated structure.  
Isolation: Class F, Class H (optional)
Output Speed: 10rpm ~ 200rpm
Control: On/Off, 4–20 mA / 24 VDC / Modbus RTU/TCP / Profibus/Profinet
Temperature: −25°C … +70°C (extended options available)
Duty rating: S2–S4 (IEC 60034)
Safety: SIL2-capable packages; ATEX/IECEx options for hazardous areas
Mounting: ISO 5211; customizable drive bushing.
Suitable for Globe valves, Gate valves, sluice valves, penstock

Quarter-Turn Actuator

Technical Features

Quarter-turn Actuator torque from 125Nm to 2000Nm. 
Power supply: 1-phase/3-phase AC or 24 VDC
Enclosure Protection: IP68, Double-seated structure.  
Isolation: Class F, Class H (optional)
Output Speed: 10rpm ~ 200rpm
Control: On/Off, 4–20 mA / 24 VDC / Modbus RTU/TCP / Profibus/Profinet
Temperature: −25°C … +70°C (extended options available)
Duty rating: S2–S4 (IEC 60034)
Safety: SIL2-capable packages; ATEX/IECEx options for hazardous areas
Mounting: ISO 5211; customizable drive bushing.
Suitable for Ball, Butterfly and Plug Valves

Key Advantages
High positioning accuracy and repeatability for control applications.
Smart diagnostics (cycle count, temperature, alarms)
Local hand-wheel and clear status indication
Low maintenance and long service life.

Intelligent electric actuator quarter-turn model

Typical Applications

  • Modulating control of butterfly, Segment ball, Rising stem ball, and Globe Valves
  • HVAC and utility systems in power plants and pulp & paper
  • Marine auxiliary systems and intake/discharge valves
  • LNG, petrochemical, and refinery units (non-sparking areas or Ex versions)
  • Water & wastewater treatment

Ask us about Actuator Sizing and Selection Considerations (section on how to choose based on torque and operation time)

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