The Breyer Digital Temperature Control Unit is a high-performance, integrated process heating and cooling solution designed specifically for the demanding requirements of plastics extrusion and calendering lines. It is not a standalone, general-purpose device, but rather a core component engineered for seamless integration into complex production systems. Its primary function is to provide precise and reliable temperature control for calender rolls, ensuring optimal surface quality and dimensional stability of extruded films, sheets, and other plastic products. Housed in a robust, ready-to-connect control cabinet, the unit embodies Breyer's philosophy of delivering complete, maintenance-friendly, and safe operational solutions.

At the heart of the unit's performance is a powerful closed-loop circulation system. Capable of reaching temperatures up to 180°C (356°F), the system delivers a substantial 45 kW of heating power and an impressive 145 kW of cooling power (based on 20°C cooling water and 100°C circulating water). This exceptional thermal capacity ensures rapid heat-up and cool-down cycles, critical for maintaining high throughput and consistent product quality. The system's pressure is automatically adjusted according to the temperature, ensuring stable and safe operation. An automatic infeed system, featuring a magnetically coupled filler pump and a pressure-free compensating reservoir, maintains the optimal fluid level without manual intervention. The core of the circulation is a robust rotary pump, delivering 30 m³/h (500 l/min) at a drive power of approximately 7.5 kW, supported by double-sided shaft bearings and an air-cooled mechanical seal for long-term reliability.

Integration and ease of use are central to the unit's design. The entire system, including all necessary connectors, is delivered within an integrated control cabinet. This plug-and-play approach significantly simplifies installation and commissioning. Operation is intuitive, with a built-in user interface allowing for direct local control. All critical process data, alarms, and status messages are clearly displayed. Crucially, the unit is designed for seamless communication with higher-level system controls. When integrated into a Breyer extrusion line, all operational data can be forwarded to the main system control and visualization platform, enabling centralized monitoring and coordinated process optimization. The cooling system employs an indirect method via an integrated plate heat exchanger and a 3-way mixing valve, providing precise and energy-efficient temperature modulation.

To accommodate specific application needs, the Breyer temperature control unit is available with several configurable options. Customers can select between two standard temperature ranges: up to 160°C (320°F) or up to 180°C (356°F). For applications requiring enhanced material compatibility or purity, stainless steel piping is available as an alternative. A bypass for the filter can be specified to facilitate maintenance without shutting down the entire system. Finally, a magnetic-inductive flowmeter can be integrated for precise monitoring and control of the circulation flow rate. With its robust engineering, high thermal capacity, and seamless integration capabilities, the Breyer Digital Temperature Control Unit is an essential component for achieving optimal productivity and product quality in modern plastics extrusion and calendering operations.

Technical Specifications