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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)

Industrial Diaphragm Valve, Metal


Industrial Diaphragm Valve, Metal



The GEMU 618 motorized metal diaphragm valve has a low maintenance electric actuator and a reversible synchronous motor. It is operated via a reduction gear and cam. The valve has an integrated optical position indicator as standard. GEMU 618 is also available without a stainless steel distance piece for applications with lower operating temperatures.

  • Suitable for inert and corrosive liquid and gaseous media
  • The motor will withstand being stalled under full voltage
  • Valve body and diaphragm available in various materials and designs
  • Suitable for use as a control valve (with integrated control module)
  • Insensitive to particulate media
  • Direct 0/4 - 20 mA signal processing (with integrated control module)
  • Opening and closing behaviour is independent of the operating pressure
  • Hermetic separation between medium and actuator
  • Optional flow direction, will seal in either flow direction up to full operating pressure
  • Optional mounting position.



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