High reduction concave

Sandvik High Reduction (HR) concave

Our High Reduction (HR) concave – or fixed mantle – is part of our “short” chamber solutions. It has a unique shelf design that increases the crushing chamber pressure in finer applications.

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This unique concave with its patented step feature has proven to offer up to 10% more final product compared to conventional designs, and offers up to 19% less recirculating load, creating a more efficient crushing circuit.

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Product name High Reduction (HR) concave

Finer applications: tertiary or final crushing stages.

It has a unique shelf design that increases the pressure in the crushing chamber giving more reduction.

Crusher compatibility and mantle match CH660: A, D, B, HC
CH865i: A, B
CH870i: A, B
CH895i (CH880): A, B, HC

Crusher compatibility: SANDVIK CH660, CH865i, CH870i, CH895i.

offers up to 19% less recirculating load*

* Test results are to be considered as results reached under certain and controlled test conditions. These test results should not be treated as specifications and Sandvik does not guarantee, warrant or represent the outcome of test results in any or all circumstances.