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26 September 2025
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One Machine, Four Processes: How the FOWS Washer-Sterilizer Transforms Lab Efficiency for Mario Negri Institute

Modern labs face constant pressure to optimize space, reduce costs, and streamline workflows, all while maintaining strict regulatory compliance. Traditional approaches often require separate machines for washing and sterilization, leading to higher operating costs, longer cycle times, and larger equipment footprints.

The Benefits of the
FOWS Washer-Sterilizer

The Fedegari FOWS Washer-Sterilizer solves these challenges with a single, multipurpose system capable of washing, decontaminating, sterilizing, and drying in one integrated process or as individual sub-processes when needed. By combining the performance of a steam sterilizer with the versatility of a jet washer, FOWS offers:

  • Four processes in one machine for unmatched efficiency.
  • Flexible operation modes tailored to diverse lab applications.
  • Eco-friendly design using steam to enhance cleaning and vacuum technology for rapid drying, reducing energy and detergent consumption.
  • Cost-effectiveness by lowering installation, validation, and maintenance costs.
  • Smart process control with Fedegari’s Thema4 process controller, enabling users to design and adapt processes quickly with maximum safety and reliability.

This innovative hybrid solution is used across industries wherever contamination control and sterilization are critical, from biopharmaceuticals to food and cosmetics.

Putting FOWS to the Test

The advantages of the FOWS Washer-Sterilizer are not just theoretical. They’ve been validated in real-world environments where efficiency, reliability, and sterility assurance are non-negotiable. One example is the Mario Negri Institute, a global nonprofit biomedical organization. The Mario Negri Institute partnered with Fedegari when they needed a solution that could handle the rigorous demands of processing thousands of animal cages and accessories each week while also supporting sensitive decontamination needs.

The Challenge

The Mario Negri Institute was expanding its research facility in Bergamo, Italy, and required a cost-effective, high-throughput system that could:

  • Wash and sterilize 3,000 animal cages per week of different sizes, along with lids, grids, and accessories.
  • Process additional items such as food and sawdust packages and feeders.
  • Decontaminate heat-sensitive instruments and items
  • Complete each cycle in under 100 minutes to keep pace with demanding research timelines.

The approach also had to serve as a chemical decontamination pass-through, further reducing the need for multiple machines and minimizing costs.

The Solution

Fedegari installed two FOWS Washer-Sterilizers side-by-side, providing the Mario Negri Institute with a robust system that could:

  • Wash, sterilize, and dry animal cages and accessories in one seamless cycle.
  • Use rotating and static spray nozzles to ensure full coverage of all load surfaces.
  • Eliminate manual connections through an automatic maintenance-free autocoupling that guarantees proper flow of water and steam.
  • Optimize process times, with cycles averaging 100 minutes, including wash, sterilization, and vacuum-assisted drying.
  • Integrate a vaporized H₂O₂ generator for decontaminating heat-sensitive items.

This approach not only reduced the number of machines required but also delivered measurable savings in acquisition, operating, and validation costs.

Results That Matter

By implementing the FOWS Washer-Sterilizer, the Mario Negri Institute gained:

  • A single, multipurpose solution for washing, decontamination, sterilization, and drying.
  • Faster cycle times with optimized use of water, energy, and detergents.
  • Compliance with strict international standards, ensuring safe and consistent results.

Why It Matters for U.S. Labs

The FOWS Washer-Sterilizer addresses many challenges faced by many U.S. labs today: limited cleanroom space, increasing throughput demands, and the need to streamline compliance. By consolidating four processes into one machine, the FOWS Washer-Sterilizer gives American pharmaceutical, biotech, and research organizations a smarter way to expand capacity without expanding their footprint.

Whether you’re scaling a new facility or upgrading existing operations, the FOWS delivers efficiency, compliance, and cost savings that traditional washer-sterilizer setups simply can’t match.

Explore how the FOWS Washer-Sterilizer can transform your U.S. operations.