GEMU 618 Diaphragm Valve

Code: GEMU 618
  • Control Valve
  • Customise with Different Housing Material
  • Motorised

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The GEMU 618 2/2-way diaphragm valve has a low maintenance motorized actuator with a reversible synchronous motor. Operation takes place via a non-self-locking reduction gear and cam. An integral optical position indicator is standard. The 618 is also available without a metal distance piece for applications with lower operating temperatures (only diaphragm size 10).


  • Suitable for inert and corrosive liquid and gaseous media
  • Insensitive to particulate 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)


  • 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
  • Installation for an optimized draining is possible

Technical details

  • Connection: Clamp; Spigot; Threaded socket; Threaded spigot
  • Actuator: Motorized
  • Body material: 1.4435, forged body; 1.4435, investment casting; CW617N (brass)
  • Conformities: ; FDA; TA Luft (German Clean Air Act)
  • Max. operating pressure: 6 bar
  • Max. media temperature: 100 ° C
  • Min. media temperature: -10 ° C
  • Nominal sizes: DN 4; DN 6; DN 8 (1/4”); DN 10 (3/8”); DN 15 (1/2”); DN 20 (3/4”)
  • Control valve
  • Sterilisation temperature: max. 150 °C

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Title Size
618 Datasheet 731 KB

Additional information

Weight 0.09 kg