Product Details
Vertical Francis Assembled Turbine unit is a kind of low-voltage micro unit,which is suitable for low water head and huge water flow.It has steady operation,compact structure and high efficiency.If the diameter of turbine runner exceeds 84cm,then horizontal Francis Turbine units can be adapted.If the diameter is smaller than 84cm,then vertical Francis Turbine units are available.
Vertical Francis Assembled Turbine units require smaller installation areas and are easy to install,while they need more hydraulic construction work.
Francis turbine has advantages of compact structure, reliable operation, high efficiency, which is one of the hydro turbines widely used around the world,since Francis turbine is suitable for all kinds of large, medium and low water head.
One of the main features of the Francis turbine is that water changes direction as it passes through the turbine. The water flows into the turbine in a radial direction, flowing towards its axis, but after striking and interacting with the turbine blades, it exits along the direction of the axis.In order to operate efficiently, water must reach all blades equally and flow is controlled by a casing which curls around the turbine in a spiral shape,which is called the volute (or the spiral) casing. The casing feed water through valves and fixed blades into the moving blades of the turbine rotor.
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