The GEMU 617 manually operated 2/2-way diaphragm valve has a low-maintenance plastic bonnet. An optical position indicator is integrated as standard.

  • Suitable for inert and corrosive liquid and gaseous media
  • The valve is insensitive to contaminated abrasive media
  • Integral optical position indicator
  • Compact design
  • Valve body and diaphragm are available in various materials
  • Optional flow direction and mounting position
  • All medium wetted parts and the housing are made of plastic
  • High flow capability


Type 617
Nominal Size DN 12 DN 15
Body Configuration 2/2-Way
Connection Solvent cement sockets DIN Spigots for IR butt welding, BCF Threaded Sockets DIN ISO 228 Union ends with DIN sockets Union ends with DIN spigots for IR butt welding Union ends with inch sockets
Valve Body Material PP PVC-U PVDF
Diaphragm Material EPDM FPM NBR PTFE/EPDM
Control Function Manually Operated
Integrated Mounting Plate With integrated mounting plate Without mounting plate (new body) Without mounting plate (old body)
Ambient Temperature Valve body PVC-U / PP: 5 to 60°C Valve body PVDF: -20 to 60°C

Working Medium

Working Medium Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body and diaphragm material.
Temperature of Working Medium1 Valve body PP: 5 to 80 ºCValve body PVC-U: 5 to 60 ºCValve body PVDF: -20 to 80 ºC
  • 1 The permissible operating pressure depends on the working medium temperature.