Rotary drum sifter for pellets and chunks
Achieve precise particle separation and minimize product loss with a rotary drum sifter designed for gentle handling of pellets and chunks, ideal for maintaining the integrity of pet food and feed products while ensuring optimal sifting efficiency.

Sifts and Separates Granules and Chunks
The Rotary Drum Sifter from Dinnissen BV is designed to enhance the efficiency of your sifting and separation processes. This equipment operates with an inclined rotating drum, where particles are separated by size through precision perforations. It’s a versatile solution for processing granola, pet food, feed pellets, and various chemical and mineral materials.
Its low-speed operation ensures gentle handling, reducing product damage while complying with ATEX guidelines. The sifter is available in different sizes to accommodate varying capacities, and its drum can be fitted with custom perforation sizes to meet specific product requirements.
Ideal for continuous automated operations, the Rotary Drum Sifter supports seamless integration into production lines, upstream and downstream. It efficiently handles solids, granules, powders, and slurries, reducing waste and maximizing product recovery. With options for stainless steel construction, it offers enhanced corrosion resistance for various industrial environments.
For maintenance, this sifter is designed for easy access and cleaning, minimizing downtime. Combining robust engineering with modular designs, Dinnissen offers expert support for customization, ensuring the equipment aligns perfectly with your production needs.
Benefits
- Minimizes product loss with precision sifting and separation, ensuring maximum recovery.
- Ensures gentle handling of products, reducing damage and maintaining quality.
- Provides compliance with ATEX guidelines for safe operation in sensitive environments.
- Simplifies integration into existing production lines, enhancing overall process efficiency.
- Offers customizable perforation sizes, catering to diverse production requirements.
- Applications
- Food,Chemicals,Feed,Pet food,Minerals,Aquafeed
- End products
- Dog biscuits,Silica sand,Fish feed,Poultry feed pellets,Granola,Cat kibble,Calcium carbonate
- Steps before
- Grinding,Dosing,Weighing,Mixing,Product Intake,Conveying
- Steps after
- Recycling,Packing,Quality Control,Further Processing,Automation and Control
- Input ingredients
- pellets,chunks,grains,moist mixtures,sticky mixtures
- Output ingredients
- fine particles,coarse particles,desired product size,oversized chunks,grit
- Market info
- Dinnissen is renowned for its expertise in process technology, specializing in innovative solutions for powder handling, mixing, and bulk materials processing for various industries, including food, feed, and chemicals, with a reputation for quality and custom engineered solutions.
- Incline
- Yes
- Drum Rotation Speed
- Less than 1 m/s
- Perforation Sizes
- Variable
- Construction Sizes
- Multiple
- Product Type Processed
- Pellets,Chunks,Grains
- Compliance
- ATEX Guidelines
- Non-destructive Separation
- Yes
- Handling of Moist and Sticky Mixtures
- Yes
- Working mechanism
- Inclined rotating drum
- Batch vs. continuous operation
- Batch
- ATEX compliance
- Yes
- Product damage prevention
- Low RPM (<1 m/s)
- Perforation customization
- Different sizes available
- Drum inclination
- Able to separate based on gravity
- Material reusability
- Both fine and coarse products
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- ATEX certification
- Yes
- Machine footprint
- Various construction sizes
- Shape
- Inclined rotating drum
- Feeding method
- Top entrance
- Discharge method
- Separate exit for oversized chunks
- Basket perforation sizes
- Variable,different sections
- Operation speed
- Less than 1 meter per second
- Sifting perforation sizes
- Customizable
- Construction sizes
- Available in various sizes
- Number of decks
- 1 or 2 decks
- Material processing capability
- Moist and sticky mixtures