Impellers

Sardik offer a full range of impellers to suit all applications. As with all components of Sardiks Agitators, the impeller may be customised to suit specific applications, by enhancing the impeller with:

  • Bolt-on Blades (for easier installation in to tanks)
  • Stabaliser Fins
  • Stabaliser Rings (stablisers for use at increased shaft lengths)
  • Rubber Coating (increases abrasion resistance in harsh environments, such as ore processing)
  • TeflonTM Covering
  • HalarTM Covering (protects against chemical corrosion)
  • Electropolishing (for use in the food/pharmaceutical industries. Simplifies cleaning)
  • Reverse Helixes
  • Polyurethane Covering

The choice of materials used in the manufacture is customised also, to suit the operational environment of the wetted components of the mixer. Chemical resistance, abrasion resistance, weight and cost can all be factored in to provide parts to suit individual requirements.

Typical materials used by Sardik include:

  • 316 Grade Stainless Steel
  • 304 Grade Stainless Steel
  • 2205 Grade Stainless Steel
  • 2207 Grade Stainless Steel
  • Mild Steel
  • Hastelloy
  • Bisalloy
  • Titanium
  • Other materials can be used on request

 


Hydrofoil Impeller

 Hydrofoil Impeller

 

This design of axial flow impeller is the most flow efficient impeller for low viscosity blending
applications. It is also used on solid suspension mixing applications where a relatively low concentration
of solids are present. It provides high flow per unit of power.

 

 


Marine Impeller

Marine Impeller

An efficient axial flow style impeller, often used on marine propulsion. Mostly employed on portable and
fixed mount mixers upto 2.2kW, and on larger side entering mixers. Marine propellers are the best flow producers of the basic "open environment" impellers. This style is sometimes referred to as a "mid solidity" design.


Pitch Blade Turbine


Pitch Blade Turbine

 

 
The pitch blade turbine is more flow efficient than the radial style impeller, and produces more shear
than hydrofoil impellers. It is the impeller of choice when both flow velocity and fluid shear is required.
This is the least expensive design axial flow impeller
 

 


Radial Blade Impeller

Radial Blade Impeller

Is selected when very low mixing levels require an impeller located near the tank bottom, or when very
high torque is required for blending applications at the expensive of flow efficiency.


Folding Impeller

Folding Impeller

Folding impellers are much like marine impellers, however they are only available as a 2 blade design.The folding design allows the impeller to pass through a 50mm hole on a closed tank or drum.


Dispersion Discs


Dispersion Discs

The sardik dispersion disc is a toothed design, which is tuned to provide radial flow. the impeller is
operated at high speed to provide high shear with moderate flow. Typical applications include:
dispersion of pigments in paint, inks and dyes, as well as gas entranement in low viscosity oils etc.


Miller Dispersion Disc

The miller dispersion disc is a high shear design for dispersion of difficult to wet powder into liquids. Due
to blade angle, this style is able to generate higher flows and is therefore used in higher viscosity
dispersion such as paint mill bases.