Spiral roller grader for peeled potatoes
Achieve precise size grading for peeled potatoes with a spiral roller system that ensures uniformity in your potato-based products, enhancing quality for various end-products like chips and fries.

Grades and Sorts Peeled Root Vegetables
The Spiral Roller Grader SRS from Sormac is an innovative solution designed for precise grading and sorting of peeled root vegetables, particularly targeting the needs of food processing and potato processing facilities. This machine employs plastic rollers with spiral-shaped grooves, creating variable-sized openings between rollers that allow continuous sorting of products like potatoes by diameter. Capable of handling products ranging from Ø 20 mm to Ø 100 mm, it offers adjustable grading settings and can be customized to sort between Ø 15 mm and Ø 115 mm. By enabling flexible configuration of grading sizes, the SRS ensures accurate sizing critical for producing end-products such as chips, fries, and mashed potatoes.
The Sormac Spiral Roller Grader integrates seamlessly into existing lines, especially when paired with options like frequency control and raised frames for complex production environments. With a focus on maintaining a consistent infeed, the SRS operates efficiently in both continuous and semi-automated modes. The machine’s construction allows for easy cleaning, minimizing downtime and maintenance efforts. Its robust design, combined with engineered versatility, supports your facility’s goal of achieving optimal throughput without compromising product quality.
Benefits
- Enhances product quality with precise diameter grading.
- Increases operational efficiency through flexible grading size configurations.
- Minimizes labor costs by supporting continuous and semi-automated operation modes.
- Reduces cleaning time with easy-to-maintain design.
- Integrates seamlessly into existing production lines with customizable options.
- Applications
- Potatoes,Peeled root vegetables
- End products
- Potato salad,Diced potatoes,Potato flour,Mashed potatoes,Potato wedges,Dehydrated potato products,Potato chips,Sliced potatoes,Roasted root vegetable mix,French fries
- Steps before
- Peeling
- Steps after
- Sorting,Transporting,Halving,Quartering
- Input ingredients
- peeled root products,peeled potatoes
- Output ingredients
- graded potatoes,sorted potatoes,potatoes sorted by diameter
- Market info
- Sormac is known for its expertise in manufacturing high-quality vegetable processing equipment, particularly peeling, washing, and slicing machines, with a strong reputation for innovation, reliability, and customer-focused solutions in the food processing industry.
- Grading size range
- Ø 20 mm to Ø 100 mm
- Capacity
- 1,000 kg/h
- Sorting size
- Ø 15 mm to Ø 115 mm (with options)
- Adjustable grading size
- Flexible setting
- Diameter grading precision
- Precise
- Working Mechanism
- Spiral roller grading
- Product Handling
- Peeled root vegetables
- Adjustment Capability
- Flexible grading size
- Feeding System
- Infeed hopper with V-channels
- Flow Type
- Inline Continuous
- Cleaning Method
- Easy to clean
- Capacity
- Target value based on product grading
- Automation Level
- Manual setting of grading sizes
- Cleanability
- Easy to clean
- Abrasion resistance
- High
- Corrosive resistance (e.g. acids)
- Plastic rollers
- Biological compatibility
- Peeled root vegetables
- Density/particle size
- Ø 20 mm to Ø 100 mm
- Container size and shape
- Peeled potatoes Ø 20 mm to Ø 100 mm
- Infeed method
- Infeed hopper with V-channels
- Discharge method
- Spiral grooves opening
- Roller material
- Plastic
- Grading size setting
- Adjustable
- Frame type
- Raised
- Frequency control
- Available