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Heavy Mineral Spiral Concentrators

Separation of extremely heavy, fine minerals in the size range of 1.5 mm to 0.04 mm requires a specialised heavy mineral spiral from Multotec Australia!


Our heavy mineral spirals come with a rubber integral edge that provides circumferential strength and prevents spillage!


Manufactured in single, double, triple or quadruple starts and tonnage rating per start from 5.0tph to 9.0tph depending on mineral type, makes our heavy mineral spirals ideal for treatment of low grade ore, where large tonnages are processed


New field testing and spiral concentrator research has resulted in spirals that are lighter, more cost-effective, environmentally-friendly and encompass power-saving features.


Features and benefits of our heavy mineral concentrators:

  • High energy-reducing capabilities by up to 33%

  • Efficient separation of light from heavy materials using gravity and centrifugal force

  • Unique lightweight design

  • Ergonomic feed box and product box design

  • Fibre-reinforced for high abrasion resistance

  • Polyurethane-sprayed for extra protection


Achieve maximum separation
efficiency with our power
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Choose from our range of heavy mineral spiral concentrators


HX5 High Capacity Mineral Spiral Concentrators

  • 1000 mm in diameter

  • 5 turn units

  • Ideal for treatment of low grade ore

SC Mineral Spiral Concentrators

  • 6 different basic models that is able to suit all minerals

  • From 3 to 8 turns

  • High, medium or low grade profiles



All of our heavy mineral spiral concentrators have the following unique design features for long-lasting and high quality performance:

Spiral Trough


  • Accurately manufactured by reverse lamination

  • Polyurethane sprayed to required thickness (+/- 0.5mm)

  • Rubber integral edge prevents spillage

  • Integrally cast

  • Ribbed for extra strength

Auxiliary Splitters


  • Solid polyurethane casing

  • Collects high density material

  • Improves metallurgical performance

Feed Box


  • Solid polyurethane casing

  • Impact wall provides longer life

  • Design ensures homogenous pulp mix

  • Replaceable

Modular housing frame

Product Box and Splitters


  • Solid lightweight polyurethane casting

  • Splitter calibration

  • Box design assures no solids build-up

  • Linked reinforced splitters

  • Splitters are independent to trough surface and offer knife edge cutting of pulp stream

  • Three or four products



  • Cast with LDPE polyurethane lining for extended life

  • Lightweight rigid construction

  • Discharge flange to client specification

  • Can be bolted to spiral frame

  • Design allows for spiral products direct discharge into launder

Modular Housing Frame


  • Hot dip galvanised to prevent corrosion

  • Each module houses two spiral assemblies

  • Easily dismantled for retracting and retrofitting




At Multotec we understand process flow sheets better than anyone in the market and we will partner with you for the entire lifecycle of your plant – from planning, to installation to field service and maintenance!

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Brisbane (07) 3442 0100
Mackay (07) 4998 5644
Perth (08) 9406 3500
Newcastle (02) 4035 9600

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