The GEMU 410 pneumatically operated 2/2 way butterfly valve has a maintenance-low corrosion-resistant plastic piston actuator. Normally Closed and Double Acting control functions are available.

  • Suitable for inert and corrosive liquid and gaseous media
  • The body design with male threads enables installation into pipelines without the need for additional unions
  • Body with integrated mounting facility
  • Optional accessories
    • Stroke limiter
    • GEMU 1225 electrical position indicator with 2 potential- free adjustable limit switches (additional module, can be retrofitted)
  • Various seal materials available to suit the working medium
  • Low weight


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Type 410
Nominal Size 15 mm20 mm25 mm32 mm40 mm50 mm
Body Configuration 2/2-Way
Connection IPS socket union ends Union ends with DIN sockets
Valve Body Material PVC-U (butterfly disc PVDF)
Seal Material EPDM FPM
Control Function Double acting Normally closed
Actuator Size
Actuator Ø 50 Actuator Ø 70

Working Medium

Working Medium Inert, corrosive 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

Control Medium

Control Medium Inert Gases
Max. Control Pressure 6 bar
Max. Perm. Temperature of Control Medium 60 ºC
Filling Volume 0.05 NI (for Actuator Ø 50) 0.2 NI (for Actuator Ø 70)