Royal Duyvis Wiener B.V.

24/7 Technical Support Hotline: +31 756 126 133

+31 756 126 126

Koog aan de Zaan (NL)


  • Highly reliable equipment
  • Separation of bean and similar sized foreign material / impurities (0,7 < > 2,5 cm)
  • Sand / gravel
  • Stones
  • Bean clusters
  • Glass, wood, brick and iron parts
  • Easy cleaning and settings
Specifications / USP's
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Product Information

De-stoning section is a very important step in a cleaning section, since it has great impact on following processes as well as product quality.

The destoning machines allow simple and safe separation of glass, stones and other heavy material.

The gravity separator is designed to separate particles of similar size with different specific weights

It uses a vibrating deck and aspiration for separating foreign materials from cocoa beans, hazelnuts, peanuts, almonds, etcetera efficiently removing light foreign impurities.


Cocoa Bean Processing


CRF 1000: 500-1000 kg/hr, CRF 2500: 1000-2500 kg/hr, CRF 5000: 2500-5000 kg/hr, CRF 8000: 5000-8000 kg/hr

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