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Mixing Impellers

There are many types of impellers. Each impeller is unique to the type of product being mixed.

There are open impellers (turbulent mixing) and closed impellers (laminar mixing).

Impellers impart radial and axial mixing. Some are more axial and some are more radial.

An impeller has a unique Pumping Number (Nq) which helps to calculate the pumping capacity of the impeller in gallons per minute and hence determine the number of tank turnovers which can be achieved within a certain amount of time which we call the Blend Time.

An impeller also has a Power Number (Np) which helps us determine the power required by the impeller with respect to its design, diameter and rotation speed.

We will attempt to list all impellers Np and Nq available in the market : coming soon.