Shrimp size and weight are closely related, allowing processors to separate products accurately by controlling the gaps between grading rollers. The complete line begins with water soaking, followed by lifting and spray washing. A second elevator provides another cleaning stage before the shrimp enter the roller section, helping remove impurities and prepare the product for consistent grading.
Each grading unit uses two rollers rotating in opposite directions from the center toward the sides. This movement carries shrimp forward gently and reduces squeezing or surface damage. Progressive roller gaps allow smaller shrimp to fall first, while larger shrimp continue to the next grading position.



Technical Parameters of Standard Shrimp Grading Machine:
|
Model No. |
KSG-1000 |
Quantity Of Rollers |
8 rollers |
|
Overall Size |
5260mm x 1300mm x 2250mm |
Power |
3.6Kw |
|
Model No. |
KSG-2000 |
Quantity Of Rollers |
12 rollers |
|
Overall Size |
7500mm x 1900mm x 2200mm |
Power |
4.1Kw |
|
The sizing standards for headless "shell-on" shrimp tails are: |
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16–20 count/pound; 21–25 count/pound; 26–30 count/pound 31–35 count/pound; 36–40 count/pound; 41–50 count/pound 51–60 count/pound; 61–70 count/pound; 71–80 count/pound 81–90 count/pound |
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PRODUCT FEATURES
1. Integrated Washing: Tank soaking, spray rinsing, and secondary washing improve cleanliness before grading and reduce manual handling between processing stages.
2. Accurate Size Separation: The Shrimp Processing Grading Machine uses gradually changing roller gaps to divide shrimp into stable, repeatable size groups.
3. Gentle Roller Movement: Opposing rotation guides products outward without aggressive pressure, helping protect shells, meat quality, and finished-product appearance.
4. Organized Discharge: Multiple conveyors receive the separated grades and transfer them efficiently to inspection, weighing, packing, or further processing stations.
The equipment handles head-on shrimp, headless shrimp, peeled meat, prawns, sardines, and other similarly shaped products across varied production requirements.
Adjustable mechanical settings also allow operators to match grading ranges with changing product specifications and daily order requirements.
For processors seeking cleaner workflows, dependable grading, and flexible product handling, the Shrimp Processing Grading Machine provides an efficient solution from washing through final discharge.






Q&A
Q: Does the machine require a skilled operator?
A: No. The control panel is simple, and operators can easily adjust the speed and grading gaps after basic training.
Q: How does the shrimp grading machine work?
A: The machine uses rotating rollers with adjustable gaps. Smaller shrimp fall through narrow gaps first, while larger shrimp move forward to wider gaps and separate outlets.
Q: How many size grades can the machine produce?
A: Standard machines normally provide five or six grades. The number of grading outlets can be customized.
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