VNT’s dust-tight size grader is used to classify the size of agricultural grains: coffee, beans, pepper … after the raw materials have been separated from impurities, rock and metal pieces.


  • To classify size of agricultural grains such as coffee, beans, pepper… after the material has been separated from impurities, rocks and metal pieces
  • Screen surface is automatically cleaned due to the rubber balls bouncing inside the frame
  • Depending on the size need to be classified, the size of the mesh hole can be changed to fit its requirement
  • No dust generated during operation


  • The machine operates according to size of grains based on the principle of down stream movement, from high to low according to vibrating frequency of the screen and the size of the mesh hole of each different screen placed in the frame.



Model Capacaity (ton/hour) Power (kW) Dimension (LxWxH, mm)
KT – 6S 4 – 6 2.2 6058 x 2400 x 3150
KT – 12S 8 – 12 4 8000 x 2600 x 4500


  • Dust tight design
  • Outlets allow manual packaging or interconnecting with next operations
  • Low mixing ratio
  • Modern technology
  • High durability
  • Easy to operate
  • Electricity saving
  • Improve processing efficiency for the whole system
  • Minimize labor workforce in the processing line


How can I take a quick look of the VNT's dust-tight size grader?

VNT has more than 30 years experience in manufacturing equipment and systems for processing agricultural products such as coffee, pepper, cocoa … in Vietnam and over the world. Depending on your requirement of machine capacity and factory’s location, we will give the most suitable advice as well as arrange a suitable place for you to take a quick look of the VNT’s dust-tight size grader. Please contact to our hotline (+84)966-757-757 to get more information.

What is the warranty policy applying for the Vina Nha Trang's dust-tight size sorter?

VNT provides free warranty service within 12 months from the date of delivery of the Vina Nha Trang’s dust-tight size sorter for mechanical parts.

How can I get the quotation of the dust-tight size grader machine of VNT?

Please contact to our hotline (+84)966-757-757 for more information of the dust-tight size grader machine of VNT. In addition, you can leave a message in the “Contact for Price” section below, we will get back to you within 24 hours.


    Send us a message and we'll help you with your questions.

    0966 757 757

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