The selection of rotation speed depends on the liquid properties, the purpose of agitation, and the operating conditions.
Select an optimum rotation speed in the medium speed range, low speed range, and high speed range according to the liquid properties and the purpose of agitation.

Various blade shapes used for many other purposes have been reported in a wide variety of ways, but considering the cost, agitating effect, operation, installation location, and agitating purpose, we will select the most suitable and efficient impeller shape.