The manually operated GEMU 417 2/2 way butterfly valve has an ergonomically designed handwheel with integrated locking device which prevents accidental operation.
All medium wetted parts of the butterfly valve are made of plastic.

  • Suitable for inert or corrosive liquid and gaseous media
  • Insensitive to high viscosity media
  • Body with integrated mounting facility
  • Optional accessories
  • GEMU 1225 electrical position indicator with 2 potential-free adjustable limit switches (additional module, can be retrofitted)
  • Locking device for setting of flow rate
  • Various seal materials are available to suit the medium
  • Low weight
  • Low maintenance


Type 417
Nominal Size 15 mm20 mm25 mm32 mm40 mm50 mm
Body Configuration Straight through
Connection IPS socket union ends Union with DIN sockets
Valve Body Material PVC-U (butterfly disc PVDF)
Seal Material EPDM FPM
Control Function Manually Operated

Working Medium

Working Medium Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body, disc and seal materials.
Max. Perm. Pressure of Working Medium 6 bar
Max. Perm. Temperature of Working Medium 60 ºC