Excell 220 Series Super Flat Screen Seed Graders – High-Precision Seed Grading & Cleaning
The Excell 220 Series Super Flat Screen Seed Graders are high-efficiency seed cleaning equipment built for precise grading of wheat, corn, soybeans, rice, legumes, and oilseeds. With a screening area ranging from 86 to 516 square feet, this seed processing machine delivers consistent results with minimal waste. Featuring full-width vibratory systems, Z-flow separation, and air suction technology, it can sort 2 to 5 fractions in one pass. Ideal for commercial seed cleaning plants, the Excell 220 Series is the perfect solution for achieving up to 99.99% purity in both bulk and specialty crop operations.
Achieve Superior Seed Grading with the Excell 220 Series Super Flat Screen Seed Graders
The Excell 220 Series Super Flat Screen Seed Graders are designed to deliver exceptional precision and efficiency in seed grading and cleaning. With a sieve area ranging from 8 to 48 m², these high-capacity graders are ideal for various agricultural applications, including wheat, rye, sorghum, barley, oat, sesame, maize, rice, soybeans, peas, clover, and sunflower seeds.
Why Choose the Excell 220 Series Super Flat Screen Seed Graders?
Built for accuracy, efficiency, and durability, the Excell 220 Series ensures consistent seed grading results while minimizing waste and maximizing purity.
Key Features & Benefits
✔ Manages 2-5 Fractions Simultaneously – Enables efficient sorting and grading in one operation.
✔ Z-Flow Long Travel System – Ensures precise separation based on seed size and weight.
✔ Innovative Feed Roller with Stirrer – Prevents product buildup, especially with lightweight seeds.
✔ Full-Width Vibratory System – Provides uniform seed distribution across the sieve width for consistent grading.
✔ Balanced Eccentric System – Reduces vibration and stress on structures, ensuring steady operation.
✔ Efficient Ball Box System – Maintains sieve cleanliness with rubber ball technology, even at low temperatures.
✔ Versatile Product Flow Customization – Easily adjust sieve sizes and outlet tray positions for different seed types.
✔ Screw Conveyor for Waste Disposal – Ensures continuous removal of dust and impurities for cleaner results.
✔ Pre & After Suction System – Separates lightweight particles before they reach the sieves, improving final product purity.
✔ Optimized Sieves for Varied Seeds – Minimizes cleaning loss and enhances processing efficiency.
✔ User-Friendly Controls – Allows for quick adjustments and easy operation, reducing downtime and maintenance.
How the Excell 220 Series Works
The Excell 220 Series Super Flat Screen Graders integrate advanced screening and air separation technologies to achieve high-quality seed grading.
Step-by-Step Seed Grading Process
🔹 Step 1 – Product Input & Feeding: The vibratory system ensures even seed distribution across the sieve area.
🔹 Step 2 – Pre-Suction Air Cleaning: Removes lightweight particles and dust before grading begins.
🔹 Step 3 – Multi-Layer Screening: Seeds are separated into different size fractions for precise grading.
🔹 Step 4 – Ball Box Self-Cleaning System: Prevents sieve clogging, ensuring continuous operation.
🔹 Step 5 – After-Suction System: Final air cleaning step removes any remaining impurities, ensuring maximum purity.
Applications of the Excell 220 Series Super Flat Screen Seed Graders
The Excell 220 Series Screen Seed Graders is engineered for various agricultural and industrial seed processing applications, including:
🔹 Seed Processing Plants – Achieves high-purity grading for commercial seed distribution.
🔹 Grain Sorting & Cleaning Facilities – Ideal for sorting wheat, barley, rye, and sorghum.
🔹 Oilseed & Specialty Crop Processing – Enhances cleaning and sorting of sesame, sunflower, and poppy seeds.
🔹 Legume & Pulse Grading – Optimized for soybeans, peas, and clover seeds.
Technical Highlights
| Feature | Function |
|---|---|
| Z-Flow Long Travel System | Ensures accurate grading by seed size & weight |
| Full-Width Vibratory System | Distributes seeds evenly across the sieve area |
| Balanced Eccentric System | Reduces vibration & extends machine lifespan |
| Self-Cleaning Ball Box System | Maintains sieve efficiency even at low temperatures |
| Pre & After Suction System | Improves air-based separation for maximum purity |
Achieve Industrial-Grade Sorting with the Excell 220 Series Super Flat Screen Seed Graders
The Excell 220 Series Super Flat Screen Seed Graders are engineered for high-precision grading and air-assisted cleaning of wheat, soybeans, maize, legumes, rice, and specialty crops. With adjustable multi-layer screens, a Z-flow long travel system, and advanced pre- and after-suction systems, it provides accurate seed separation and premium-quality output for commercial seed processing.
When integrated into a Mmctech seed processing plant, the Excell 220 Series enhances overall system efficiency and consistency. It pairs seamlessly with seed pre cleaner machines, seed graders, seed cleaning equipment, seed coating and seed treatment systems, seed polishing units, and hulling & milling machines. For complete processing lines, Mmctech also supplies destoner separators, gravity separators, indented separators, conveyors, and 10 to 110 lbs bagging machines, supported by robust storage silos, bins, and hoppers. With this grader at the core of your operation, you ensure scalable, high-capacity seed processing with the precision today’s agricultural industry demands.
📞 Get in Touch – Get expert advice on the right seed processing solutions for your facility.
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This page features the Excell 220 Series Super Flat Screen Seed Graders designed for advanced seed processing performance.
