Home > Product > Valves > GEMU > 690

GEMÜ is a German company founded since 1964, and a leading manufacturer of valves, measurement and control systems.

Today, Gemu is the world market leader of valves for sterile applications in the pharmaceutical and biotechnology industries.

Gemu offers the following range of products:
  • Aseptic Diaphragm Valves
  • Plastic Diaphragm Valves
  • Metal Diaphragm Valves
  • Butterfly Valves
  • Globe Valves
  • Control Valves
  • Solenoid Valves
  • Pilot Valves
  • Ball Valves
  • Check Valves
  • High Purity Products  (Valves, Flow, Pressure, Tubings & Fittings)
  • Positioners & Controllers
  • Electrical Position Indicators
  • Field Bus Systems
  • Actuators
  • Flowmeters (Rotameters)

Diaphragm Valve, Plastic


Diaphragm Valve, Plastic


The GEMU 690 2/2 way valve has a low maintenance membrane actuator which can be controlled by inert gases.
Normally Closed, Normally Open and Double Acting control functions are available.
All medium wetted parts and the actuator housing are made of plastic.

  • Suitable for inert and corrosive liquid and gaseous media
  • Valve body and diaphragm available in various materials and designs
  • Insensitive to particulate media
  • Various connections available
  • Optional flow direction, will seal in either flow direction up to full working pressure
  • Optional mounting position
  • Body and diaphragm sizes have coordinated diameters hence the fitting time is reduced because the pipe and fixing centres remain the same. Spares inventory is also reduced.
  • Optional accessories
    • Electrical position indicator
    • Electrical position indicator with microswitches or proximity switches
    • Mounting bracket according to NAMUR
    • Pneumatic or electro-pneumatic positioner
    • Stroke limiter (DN 65-100: observe marking on actuator cover)



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