FIMIC Develops New RMP And FPP Melt Pumps For Extrusion Applications
Pressure instability represents one of the main causes of inefficiency in plastics recycling, often resulting from the combination of material variability and line configuration. Variations in material quality, high contamination levels, and non-optimized process setups generate inherently unstable operating conditions.
Managing these fluctuations typically requires the use of gear pumps; however, conventional technologies are highly sensitive to contamination, limiting their effectiveness in more demanding applications. Traditional gear pumps require a pre-filtration system to prevent damage caused by contaminants and, even with such systems in place, maintenance remains frequent, leading to production downtime that can last several days over the course of a few months.
Developing efficient and economically sustainable solutions is no longer an option, but a necessity to remain competitive.
This challenge can be addressed through solutions specifically designed to handle variable feeding conditions. In this context, FIMIC – globally recognized for its expertise in self-cleaning filtration systems – introduces two new pumping technologies: the RMP – Recycling Melt Pump and the FPP – FIMIC Piston Pump.
These solutions are designed to improve the efficiency and reliability of extrusion lines processing recycled materials, with a strong focus on reduced maintenance requirements and operational continuity.
Together with the established SPA screw pump technology, these innovations expand FIMIC’s portfolio, enabling the company to respond to a wide range of process conditions and applications. This further strengthens FIMIC’s commitment to developing integrated, tailored solutions for the ever-evolving challenges of plastics recycling.
These innovations will be officially presented at PLAST 2026, in Milan, from June 9 to 12, at booth D48 D50.
RMP: stable output and precise control for more efficient recycling extrusion
The RMP (Recycling Melt Pump) ensures consistent output in applications where stability and control are essential.
Its gear pump design provides a fixed and predictable material flow, allowing the extrusion process to be decoupled from upstream and downstream fluctuations.
The system ensures a constant throughput and greater product uniformity, while enabling more precise control of the extrusion process and improved production repeatability. Its modular design also enhances operational efficiency by allowing quick maintenance interventions, reducing downtime and ensuring production continuity.
The gear module can be quickly replaced without removing the pump from the line, further minimizing downtime and simplifying maintenance operations.
FPP: a piston-based approach to improve process stability
The FPP (FIMIC Piston Pump) is designed to address the main causes of instability in extrusion processes in recycling, particularly when processing variable and contaminated materials.
Its dual-cylinder system with synchronized pistons ensures continuous and controlled pressure, even under highly variable conditions, improving the overall efficiency of the line.
This results in reduced pressure fluctuations, a more consistent material flow, and minimized pulsation effects, contributing to greater stability in downstream operations. The system also ensures reliable operation with heterogeneous or contaminated materials and allows high pressure levels to be reached without compromising process control.
Overall, the FPP enhances process stability, flow continuity, and supports more reliable production even under the most demanding recycling conditions.
A complete pump portfolio for different recycling scenarios
With the introduction of FPP and RMP technologies, FIMIC expands its portfolio by integrating different operating principles to address specific process requirements.
Each technology is designed for a defined application scenario:
• FPP for highly contaminated materials and high-pressure applications
• RMP for stable pelletizing lines with controlled contamination
• SPA for simple and robust applications
FIMIC adopts a targeted approach, selecting the most suitable technology based on the process conditions and the type of material being processed.
As input materials become increasingly complex and performance expectations continue to rise, these new solutions enable improved process stability, reduced downtime, and enhanced overall production efficiency.
Supporting the evolution of plastics recycling
The launch of the RMP and FPP pumps reflects FIMIC’s ongoing commitment to innovation in plastics recycling technologies. By combining advanced melt filtration systems with specialized pumping solutions, the company continues to develop integrated technologies designed to simplify recycling processes and improve operational performance.
With these innovations, FIMIC strengthens its role in supporting recyclers worldwide in managing complex materials and transforming them into valuable resources within the circular economy.
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