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The new extruder responds to the growing demand for safer, more sustainable pet food and aqua feed by helping producers achieve consistently high-quality nutrition, improved food safety, and greater efficiency, while reducing operating costs and unplanned downtime.
Developed in collaboration with industry producers, the ExMax S1021 combines a hygienic design with advanced automation to make production cleaner, more reliable and easier to control, while minimizing waste.
“The ExMax S1021 is not just about capacity it’s about giving producers greater control, cleaner operations, and consistently higher product quality,” said Danny Cummins, Head of Product Management at ANDRITZ Feed & Biofuel. “Producers worldwide are under pressure to deliver safer, more sustainable feed at lower cost. This technology is designed to meet these demands and help them remain competitive in fast-growing markets like those in Latin America.”
Built for today’s challenges
The ExMax S1021 features the patented DensiFlex™ system, which automates control of cooking and expansion to ensure product uniformity. Its hygienic, stainless-steel design simplifies cleaning and minimizes the risk of cross-contamination two key concerns for producers of pet food and aqua feed.
Key benefits include:
• Food safety: Stainless steel hygienic design for faster cleaning and compliance with safety standards;
• Product consistency: Patented DensiFlex™ system for precise density control, faster startup and shutdown;
• Flexibility: Capable of processing a wide variety of feed formulations with ease;
• Reduced downtime: Curved knife housing with automatic adjustment to minimize residue buildup;
• Lower operating costs: Energy-efficient drive system to reduce consumption;
• Reliability: Optimized automation and maintenance features to extend machine lifetime and reduce stoppages.
On display at VICTAM LATAM
Alongside the ExMax S1021, ANDRITZ is showcasing its automation and digitalization solutions, and full-service support portfolio. These offerings help producers maximize equipment performance throughout their lifecycle.
Visitors can explore these technologies and speak with ANDRITZ experts at Booth #4000 at VICTAM LATAM (victamlatam.com), which takes place from September 16-18, 2025, at the Expo Center Norte in São Paulo.
About ANDRITZ GROUP
International technology group ANDRITZ (andritz.com) provides advanced plants, equipment, services, and digital solutions for a wide range of industries, including pulp and paper, metals, hydropower, environmental, and others. Founded in 1852 and headquartered in Austria, the publicly listed group employs about 30,000 people at 280 locations in over 80 countries.
As a global leader in technology and innovation, ANDRITZ is committed to fostering progress that benefits customers, partners, employees, society, and the environment. The company’s growth is driven by sustainable solutions enabling the green transition, advanced digitalization for highest industrial performance, and comprehensive services that maximize the value of customers’ plants over their entire life cycle. ANDRITZ. FOR GROWTH THAT MATTERS.
About ANDRITZ ENVIRONMENT & ENERGY
ANDRITZ Environment & Energy is committed to environmental responsibility and offers a broad range of technologies focusing on sustainable solutions for various industries. The extensive product portfolio includes technologies for the production of green hydrogen and renewable fuels, for carbon capture and emission reduction, mechanical and thermal solid/liquid separation, grinding, pelletizing, and for pumping fluids. Complemented by cutting-edge automation and digitalization as well as comprehensive services, they enable efficient and innovative solutions in processes such as water and wastewater management, recycling, waste/sludge-to-value, resource-saving battery-related mining, desalination, feed and food valorization, air emission reduction and P2X.
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