Tubular turbine
Tubular turbine is widely used in hydro power stations with the head of 2-30 meters. The blades are fixed or can be adjusted manually. The efficient turbine of this kind can process a large quantity of water flow which passes unimpeded. Tubular turbine, gaining increasing interest throughout the world, is often selected in place of Kaplan turbine as a machine especially suitable for low-head development. Since the tubular type requires less space than other turbines, a saving in civil costs is realized due to a smaller powerhouse and shallow requirements for the draft tube. The tubular turbine is equipped with adjustable wicket gates and adjustable runner blades. This arrangement provides the greatest possible flexibility in adapting to changing net head and changing demands for power output, because the gates and blades can he adjusted to their optimum openings.

