Turbine with blades is inclined 45 degrees (usually). Constructions with two to eight blades are used, three and four being most common.
Combined axial and radial flows are achieved. Especially effective for heat exchange with vessel walls or internal coil.
These impellers can be used in either down-pumping or up-pumping mode.
Moderate shear and moderate flow
Moderate viscosity mixing up to 10,000 cps High intensity mixing.
Heat transfer, blending, solid suspension.