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The efficient power treatment equipment is developed by NFLG specifically for processing powder in sand aggregates, mainly extra powder and mud (less than 150μm in size) in raw materials, as well as the separation of fine particles (smaller than 40μm) in finished sand aggregates. NAS series powder processing equipment features high efficiency of classification and low cost of equipment due to the principle of air classification adopted.

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Parameter :

Model NAS-F12 NAS-F16
Cylinder Diameter(mm) 3660 4880
Feeding Size(mm) 0~10 0~10
Capacity (t/h) 40~60 90~150
Power(kW) 45 32
Grading (/) 4P 4P

Spindle Speed (r/min)

260 149


Characteristics :


The removal of powder and mud in raw materials is realized by the inner circulation of air inside engine without externally installed fans.


The several built-in adjustable points of classification can adapt to different materials and moisture content.


High wear-resistant materials and isolation effect of powder enables minor wear and tear and low cost