GEMU C487 Butterfly Valve

Code: GEMU C487
  • Butterfly Valve
  • Manual
  • Connection:  Flange

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The GEMU C487 soft seated butterfly valve is manually operated. It has a metal gearbox. The butterfly valve is available in nominal sizes DN 700 – 1600 and various body versions such as Wafer, Lug and U section.


  • Suitable for liquid and gaseous media in industrial applications as well as for water treatment
  • The top flange is standardised acc. to EN ISO 5211
  • Due to the special seal contour of the liner in the flange area, no separate gasket is required
  • Self-lubricating shaft bearings made of PTFE coated metal bushes
  • The shaft mounted in bearings provides a stable shaft guide
  • The (spline) shaft inside the disc is completely isolated from the working medium
  • Replaceable liner for isolating the working medium from body and spindle
  • Lenticular shaped disc for good flow capability
  • Reduced leakage and corrosion risk as the spindle is not fixed in the disc by grub screws
  • The concentric disc allows bi-directional shut-off
  • High stability and low weight even for larger diameters


  • Simple installation
  • Low torques
  • Modular construction
  • Modular actuator concept
  • Advanced seal design – even for larger diameters


  • Water treatment
  • Distribution of gas and liquids
  • Seawater desalination
  • Power plants
  • Irrigation systems

Technical details

  • Connection: Flange
  • Actuator: Manual
  • Body material: EN-GJS-400-15 epoxy coated (250 µm)
  • Conformities: ACS Drinking water approval; EA. Complies with the safety requirements of Annex I of the European Pressure Equipment Directive 2014/68/EU for fluids of group 1 + 2
  • Maximum operating pressure: 16 bar
  • Maximum media temperature: 70 ° C
  • Minimum media temperature: -10 ° C
  • Nominal sizes: DN 700; DN 800; DN 900; DN 1000; DN 1100; DN 1200; DN 1300; DN 1400; DN 1600

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Title Size
Gemu C480_C481_C487_C488 Datasheet 866 KB

Additional information

Weight 0.09 kg