Yuba Mining and Machine
Gravity Concentrators
Yuba Mining and Machine manufactures commercial-duty gravity concentrators for primary recovery, secondary recovery, and finishing. Our Low-G Horizontal Centrifuges and Reverse Multi-Helix Spiral Concentrators can operate independently or be combined into complete, multi-stage gravity recovery circuits for alluvial and hard-rock applications.

Reverse Multi-Helix Spiral
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Rougher, Cleaner and Finisher models available
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Adjustable designs allows for high recovery rates and high grade concentrates
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Versatile performance across alluvial, hard-rock and multi-mineral applications
Low-G Horizontal Centrifuge
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High volume production primary concentrator for alluvial and milled hard-rock ores
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Centrifugal force improves heavy-mineral recovery
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Long production runs, quick cleanups and easy circuit integration


Reverse Multi-Helix Spiral Bank
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Complete roughing, cleaning and finishing circuit
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Three inline spirals for continuous staged concentration
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Produces clean, smelt-grade concentrate









