WKV Francis Turbines

• Head range:
  • spiral casing up to approx. 300 m
  • open flume from 1.5 m up to 10 m
• Capacity up to 15 000 kW
• High peak efficiency
• Used where flow fluctuation is less than 50 % of the design flow
• Complete range of specific speeds for runner designs with optimized selection versus synchronous speed
• Compact design and low maintenance requirements through rigorous selection of the best suited materials
• 2 or 4 bearing turbine – generator arrangements
• Bearings rated for more than 100 000 hours of operation
• Actuation of guide vanes by electric or hydraulic means