Feed expander for improved pellet mill output
Enhance your feed quality and production efficiency with a robust expander designed to eliminate heat-sensitive bacteria, improve pellet durability, and optimize oil extraction without disrupting your continuous high-speed operations.

Processes Feed for Enhanced Quality and Efficiency
The Ottevanger Contivar series, including models AL150, AL200, AL300, and AL350, represents top-tier feed expanders for the processing of animal feed, pet food, and grains. Equipped with the innovative Active Disk system (AD-system), these expanders ensure precise control over product output, enhancing the quality by eliminating heat-sensitive bacteria and improving gelatinization. This range is ideal for producing kibble, fish pellets, poultry feed pellets, and processed soybean meal, with a throughput of up to 45 tons per hour. Its robust design allows for easy cleaning and maintenance, reducing downtime and wear costs. Integration into existing production lines is seamless, with compatibility for continuous, high-speed operations, and appropriate for both liquid and solid product types. With energy-efficient operation and customizable options, the Ottevanger Contivar expanders are the premium choice for feed mill operators and producers seeking excellence in feed processing.
Benefits
- Enhances feed quality with precise product output control.
- Reduces production costs through efficient operation and minimal wear.
- Increases pellet durability and strength for improved product longevity.
- Ensures operational safety by eliminating heat-sensitive bacteria.
- Integrates seamlessly with existing production lines for continuous high-speed processing.
- Applications
- Pet food,Oilseed processing,Soybean processing,Aqua feed,Compound feed
- End products
- Sunflower oil,Kibble,Fish pellets,Poultry feed pellets,Soybean meal,Canola oil
- Steps before
- Grinding,Mixing,Conditioning
- Steps after
- Pelleting,Cooling,Crumbling
- Input ingredients
- feed ingredients,fats,liquids,starches
- Output ingredients
- finished feed,pellet mill output,improved feed quality,fish feed with improved water stability
- Market info
- Ottevanger Milling Engineers is renowned for designing and manufacturing innovative milling equipment and complete production lines for the grain processing industry, including feed mills, flour mills, and biomass processing, with a reputation for quality, efficiency, and customized solutions.
- Motor Power
- 45-750 kW
- Capacity
- 1–45 t/h
- Expander Barrel Diameter
- 150-350 mm
- Automation
- Manual / Easy to Control
- Wear Parts Cost
- Low
- Working mechanism
- Active Disk system
- Integrated steps
- Gelatinization,oil extraction
- Batch vs. continuous operation
- Continuous
- Cleaning method
- Easy cleaning
- Energy efficiency
- Reduces wear costs of pellet mill
- Changeover time
- Less downtime for maintenance
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Heat sensitivity
- Yes/No
- Water stability
- Improved for fish feed
- Expander barrel diameter
- 150–350 mm
- Machine footprint
- N/A
- Control panel type
- Integrated control system
- Material of construction
- Stainless steel
- Discharge method
- Controlled by Active Disk system (AD-system)
- Integration possibilities
- Active Disk system (AD-system)
- Wear parts exchangeability
- Easy to exchange