Technical data are approximates and should be used as guide only. Capacity and power requirements depend on the type and characteristic of the feed material.
A large proportion of aggregate used in the production of concrete and road wearing materials require to be washed in order to maintain a consistent end product free from impurities.
In both instances the cleaner the aggregates and sand the less cement and bitumen is required in the mix. The cement and bitumen represents the majority of the mix cost although representing only a fraction by weight.
It is therefore of the utmost importance to maintain a high quality clean aggregate.
Rahmachine’s spiral washers clean and dewater the end product, breaking up small amounts of soluble mud and clay to meet required specifications.
All coarse and fine material is thoroughly washed while unwanted organics, fines and foreign materials are removed.
They are used after a sand classifying/blending tank system or after a wet screening operation for such applications as concrete, mortar and plaster sands.
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