Fluid handling, regulation and control

Fluid handling, regulation and control

Fluid handling, regulation and control

GEMÜ 558 motorized globe valve

Category Brand


The GEMÜ 558 motorized 2/2-way valve has a compact electric linear actuator with a motor designed for DC and AC operating voltages. The integrated gear translates the rotary motor movement into a linear movement. The actuator is available as an Open/Close version or with an integrated positioner and additional process controller. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects it against contamination and damage.


(See attached datasheet)


  • OPEN/CLOSE function or CONTROL version
  • Actuating speed and control parameters easily adjustable
  • Optimized initialisation and valve control
  • Parameterisation during operation
  • Torque limitation
  • Electronic limitation of opening and closing stroke
  • Positioner and process controller are synchronized with each other
  • Optional integrated emergency power supply module with selectable safety position
  • Version with bellows (option)


  • High flow capability
  • 2-colour LEDs with good visibility for indication of end position and travel direction
  • Extensive integrated diagnostic functions
  • Simple commissioning and versatile operating facilities

– Fascia keys

– PC connection with Internet browser MS® Internet Explorer

– Field bus interfaces, e.g. Profibus DP

– e.sy-com interface for connecting a Bluetooth module or industrial modem to enable access via PDA or PC

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