Single screw extruder for pet food and aquatic feed
Maximize production capacity and optimize product quality with advanced single screw extruders designed for precise control of textural properties and efficient energy utilization in food and feed applications.

Processes Diverse Food and Feed Products Efficiently
The Optima Single Screw Extruders from Wenger are engineered to enhance production capabilities for food, pet food, and aquatic feed manufacturers. These extruders are distinguished by their ability to significantly increase production capacity by 30% to 50%, thanks to unique screw flighting and barrel ribbing design. They facilitate precise control over textural attributes and bulk density, which is essential for producing varied end-products like cornflakes, dog kibble, and plant-based meat burgers. With processing capacities ranging from 500 to 30,000 kg/h, these units can handle continuous, high-speed operations. Integrated with advanced control systems, they offer seamless automation and remote monitoring to optimize energy use and maintain operational efficiency. Constructed with proprietary stainless steel alloys, they ensure durability and resist corrosion, reducing maintenance needs. Additionally, customization options and engineering support are available to meet specific production requirements, making them a versatile choice for diverse industrial applications.
Benefits
- Boosts production capacity by up to 50%, enhancing scalability without increasing footprint.
- Minimizes operational costs with efficient mechanical energy utilization.
- Provides precise textural control, ensuring consistency across diverse product lines.
- Reduces maintenance downtime through durable construction and wear-resistant materials.
- Customizable process parameters for tailored solutions, supporting innovation and versatility.
- Applications
- Rte cereals,Hybrid products,Textured vegetable proteins,Ingredients,Snacks,Pet food,Meat analogs,Aquatic feed,Protein crisps,Breadings
- End products
- Instant oatmeal,Granola bars,Cornflakes,Dog kibble,Rice crisps,Plant-based chicken strips,Fish pellets,Plant-based meat burgers,Panko bread crumbs,Soy protein isolate
- Steps before
- Purification,Drying,Grinding,Pre-moistening,Pre-heating
- Steps after
- Drying,Coating,Packing
- Input ingredients
- dry recipes,steam,water,meat slurries,feed particles
- Output ingredients
- textured vegetable proteins,structured meat analogs,protein crisps,breadings,RTE cereals,snacks,hybrid products,traditional kibble,semi-moist pet food,high fresh meat inclusion,pet treats,floating aquatic feed,sinking aquatic feed,slow-sinking aquatic feed,RAS feeds,industrial applications
- Market info
- Wenger is known for its expertise in manufacturing extruders and dryers for pet food, aquatic feed, and food processing industries, renowned for reliability, innovation, and custom-engineered solutions worldwide.
- Capacity
- 500–30,000 kg/h
- Screw Diameter
- 115–280 mm
- Motor Power
- 75–1000 kW
- Production Capacity Increase
- 30% to 50%
- SME Control
- Up to 50% increase
- Retention Time in Preconditioner
- Up to 250 seconds
- Internal Fat Capability
- Up to 22%
- Energy Efficiency
- Improved mechanical energy utilization
- Working mechanism
- Single Screw Extrusion
- Batch vs. continuous operation
- Continuous
- Automation level
- PLC
- Energy efficiency
- Improved mechanical energy utilization
- Control capability
- Improved product textural control
- Integration with preconditioning
- DDC Preconditioner
- Cleaning method
- Stainless Steel Pneumatic Product Pick-up Hood for cleaner operation
- SME control
- Mid-Barrel Valve
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Screw diameter
- 115 mm,165 mm,185 mm,235 mm,280 mm
- Barrel components material
- Proprietary stainless steel alloys
- Control panel type
- Remote or PLC activated
- Preconditioner size
- Retention time up to 250 seconds
- Product pick-up hood material
- Stainless steel
- Screw flighting and barrel ribbing
- Unique design for more available energy
- Mid-barrel valve
- Internal component
- Discharge method
- Negative air transport
- Control panel type
- PLC / HMI
- Integration possibilities
- SCADA / ERP
- Drive components
- Re-engineered
- Preconditioning assembly
- Adjustable retention time
- Barrel components
- Proprietary alloys
- Die configuration
- Customizable
- Product Pick-up Hood
- Stainless Steel