Graders

High-Precision Graders for Seeds and Grains

Westrup graders deliver accurate size sorting for seeds and grains, ensuring uniform quality and optimal processing efficiency for any operation.

GP

A green industrial shredder machine with a large opening for feeding materials, branded "Westrock."

Large industrial green cooling or HVAC unit with white access panels and a mesh-covered vent on the front.

Capacity: Up to 6 t/h
Mid-sized machine for accurate 4-fraction product sizing.

Capacity: Up to 18 t/h
Compact machine for accurate 4-fraction product sizing.

vbs

Industrial green machine with conveyor system and control panel, labeled "westrup."

Flat screen sizer is designed for low-capacity separation of different crops

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benifits of a grader for seed processing

A grader improves seed processing by sorting seeds according to size, shape, and weight. This ensures uniform seed quality, improves planting accuracy, enhances germination, and increases market value. It also helps remove undersized or damaged seeds for better overall performance.

flow of a grader for seed processing

A seed grader works by receiving seeds through a feed hopper and passing them through a series of screens, sieves, or sorting systems that separate them based on size, shape, and quality. During the process, damaged, undersized, or lightweight seeds and other impurities are removed, while the acceptable seeds are classified into uniform grades and collected separately.

Flow seed grader, GD A1-B7-D8-E30

faq on graders

A grader is a machine which is sizing the seeds up to a very high precision.
A grader has a very even flow, distribution and capacity. The screens have a relative low inclination, and a hole perforation with a very little tolerance.
A grader is chosen when you demand very high precision.
A grader is generally a good choice for high value seeds.