Classification Cyclones

Achieve superior quality classification in all mineral processing applications with Multotec’s range of classification cyclones.  Rubber or ceramic wear resistant linings protect the cyclone’s inner – contributing to extended life of equipment.

Multotec equipment is installed in 100 countries

Materials of construction:

Our modular range of cyclones is designed with construction materials ranging from polyurethane to high chrome. These specifically reduce wear for particular applications.

  • Rubber or ceramic lining for maximum wear protection
  • Single, double, and multiple stage cyclone configurations
  • Unique scrolled evolute inlet head design

Multotec has revolutionised cyclone design!

Classification Cyclones Range

High Capacity Classification Cyclones

High Capacity Classification Cyclone

Our high capacity classification cyclones are manufactured with a mild steel shell that is either lined with replaceable rubber liners, vulc...

Mill Circuit Cyclones

Mill Circuit Cyclone

Mill circuit cyclones produce better separation efficiencies with minimal particle misplacement which ultimately optimises the downstream be...

Stacker Cyclones

Stacker Cyclone

Stacker Cyclones ,hydrocyclones,hydrocyclone,cyclone, mining cyclone, mineral cyclone

Dewatering Cyclones

Multotec dewatering cyclones are ideal for all solids dewatering, water recovery and slurry densification applications in mineral processing...

Multotec equipment is installed in 100 countries

Cyclone Design

Multotec’s scrolled evolute inlet head designs have revolutionised cyclone design!

Through extensive testing and simulations, Multotec has proven that the scrolled evolute inlet design has a higher capacity when compared to other inlet configurations.

This design, which has been field tested in real conditions, substantially reduces vortex finder wear, thereby reducing operating costs while maximising cyclone efficiency.

The scrolled evolute inlet head also:

  • Provides maximum efficiency of separation
  • Reduces misplacement of product
  • Enables cost-effective beneficiation solutions 
  • Minimises turbulence

The superiority of this cyclone design has been confirmed by Computational Fluid Dynamic Analysis.

Stacker Cyclones
Polyurethane Cyclones
Cast Iron Dense Medium Cyclone
Compression Moulded Rubber Liners
Cyclone Distributors
High Capacity Classification Cyclone
Max Dense Medium Cyclone
Mill Circuit Cyclone
World leading equipment from local manufactures

Optimising your cyclone’s performance 

CFD – or Computational Fluid Dynamics – uses numerical methods to detect and explain challenges, like fluid flow for example, experienced with your cyclone. Multotec provides CFD as part of its offering, as it helps you understand cyclone behaviour and thereby optimise its performance.

Unique design

Multotec’s unique classification cyclone design incorporates engineering that makes it possible to alter several components – either during the design phase or subsequent to installation. This ensures that the cyclone meets every customer’s exact performance requirement – a major market differentiator.

The vortex finder controls the cyclone’s cut point allowing for more or less overflow material and finer or courser particles. This selection option makes it easier to control the cyclone’s performance and fine tune the product requirements.

Additionally, Multotec can accommodate varying spigot diameters and achieve optimum overflow densities without changing the entire cyclone design. The Multotec spigot has a parallel throat design, enabling it to maintain the correct spigot opening over a longer time period.

New generation spigot 

Spigots on Multotec’s cyclones feature Multotec’s a new generation 4-start thread adapter for quick and easy spigot removal. It is compatible with both polyurethane and ceramic spigots, has a coarser self-cleaning thread and, unlike the traditional single-start thread, it allows for multiple turns.

Screw-on spigot couplings

To assist in the replacement of spigots, Multotec has enlarged the screw-on spigot type to fit on to some of the larger spigot ranges. This enables screw-on spigots to be fitted onto Multotec’s range of GV and HC cyclones.

Oversize spigots

Multotec develops and supplies oversize spigots for clients that use the full liner thickness to maximise HC cyclone life. The oversize spigot, and its accompanying spigot holder, now has more material on top of the spigot.

Overflow elbows

Multotec successfully implemented a process that allows them to completely rubberline HDPE overflow elbows.

 The fully rubberlined elbows, available on request only, are lined with 6 mm thick natural rubber for all cyclone sizes up to 750 mm diameter. All cyclone sizes larger than 750 mm diameter will be lined with 10mm thick natural rubber.

Polyurethane cones

To allow for more flexible cyclone solutions and to enable Multotec to meet the demand for finer ore processing, we have developed a VV250 degree polyurethane cone.

Multotec – global footprint with worldwide service.

More than a mineral processing equipment supplier

At Multotec, we provide more than processing equipment, but constantly strive to assist you in achieving overall business excellence. This is why when you partner with Multotec, you don’t just get a diversified product offering, but form a relationship based on product refinement, a true understanding of process flow sheets and field service and maintenance – ensuring that together we will create a solution that is suited specifically to your individual needs and that will optimise your process and lower your overall operating costs.

Multotec Cyclones - Classification Animation

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