Automatic Oyster Weight Grading Sorting Machine For Marine Farm

The oyster grading machine for marine farms ensures precise weight sorting, gentle handling, and high efficiency processing.

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Automatic Oyster Weight Grading Sorting Machine For Marine Farm is a high-efficiency sorting solution specially designed for marine farms and seafood processing plants that handle large volumes of fresh oysters. Because oysters are irregular in shape, fragile in shell structure, and highly sensitive to impact, traditional manual grading methods often lead to low efficiency, inaccurate classification, and potential shell damage.

This machine is engineered to grade oysters precisely by weight while protecting their natural shell integrity. It helps marine farms standardize oyster size classification, improve packaging consistency, and enhance market value for wholesale, retail, and export markets.

Oysters vary significantly in size, density, and surface texture. To ensure accurate grading without damaging the shell or affecting freshness, this machine adopts a gentle yet precise automatic weighing and sorting system.

Feeding System
Fresh oysters are evenly conveyed onto the sorting line through a food-grade conveyor belt designed to minimize shell collision.
Dynamic Weighing Unit
Each oyster passes through a high-precision weighing sensor that instantly measures its weight. Even with irregular shell shapes and uneven surfaces, the system ensures stable and accurate data collection.
Automatic Grading System
According to preset weight ranges (for example: 30–50g, 50–80g, 80–120g, и т. д.), oysters are automatically directed into corresponding output channels.
Collection & Подготовка упаковки
Graded oysters are discharged into separate bins or conveyors, ready for further cleaning, упаковка, or live transport.

The entire process is continuous, эффективный, and significantly faster than manual sorting.

Here is the oyster grading machine youtube video working feedback from our customer's factory！

1. Improved Grading Accuracy

Compared with manual sorting, automatic grading ensures consistent weight classification, increasing product uniformity and pricing power.

2. Снижение затрат на рабочую силу

One machine can replace multiple workers, especially important during peak harvest seasons.

3. Increased Processing Efficiency

Capable of handling large volumes of oysters per hour, suitable for medium to large-scale marine farms.

4. Lower Damage Rate

Gentle mechanical design protects oyster shells and maintains live oyster survival rate during sorting.

1. High-Precision Dynamic Weighing System

Designed specifically for irregular and uneven oyster shells, ensuring accurate grading even when shell shapes vary.

2. Gentle Handling Conveyor Structure

Food-grade belt system reduces vibration and impact, preventing shell cracking and internal meat damage.

3. Adjustable Multi-Grade Sorting

Weight grading ranges can be customized according to market demands (retail, ресторан, export standards).

4. Stainless Steel Marine-Grade Construction

Made of corrosion-resistant stainless steel, suitable for humid and high-salinity marine farm environments.

1. Higher Market Value

Uniform oyster sizing improves brand image and meets strict supermarket and export standards.

2. Standardized Packaging

Consistent weight grading simplifies packaging and improves logistics efficiency.

3. Better Farm Management

Accurate size data helps marine farms monitor oyster growth cycles and optimize harvesting plans.

4. Stronger Competitive Advantage

Automation enables farms to scale production and compete in high-end seafood markets.

А Automatic Oyster Weight Grading Sorting Machine is an ideal solution for oyster producers who need precise, эффективный, and gentle grading technology. By combining accurate weight detection with shell-protective conveying systems, this machine ensures high productivity while maintaining oyster quality and survival rate.

If you are looking to upgrade your oyster sorting process and improve operational efficiency, feel free to leave us a message online. Our professional team will provide detailed technical specifications, индивидуальные решения, and competitive quotations tailored to your marine farm needs.