Let’s level up liquid cooling
Optimize your data center’s thermal management with Danfoss comprehensive range of Coolant Distribution Unit (CDU) components and application expertise. Ensure reliability, efficiency, and sustainability in your liquid cooling solutions. Our team deeply understands the unique challenges faced by our customers and leverages extensive industry expertise to provide tailored support.
As data centers evolve to handle increasing computational density, advanced cooling technologies such as direct-to-chip cooling and coolant distribution units (CDUs) are essential for maintaining optimal thermal conditions and improving energy efficiency.
From heat exchangers over to valves, drives, and sensors to controllers – with Danfoss, you get almost every component to build an efficient, reliable CDU. Danfoss has developed its CDU components with next-generation cooling needs in mind, ensuring innovative solutions for advanced thermal management. Our flexible CDU components can be adapted to a wide range of project requirements and environments.
From heat exchangers to valves, drives, and sensors to controllers – with Danfoss, you get almost every component for almost the entire CDU ecosystem.
Why liquid cooling systems?
Liquid cooling is becoming the norm in high rack density applications like high-performance computing (HPC) and AI workloads. The technology involves bringing cold liquid closer to the IT equipment to remove heat, using either single-phase (only liquid) or two-phase (liquid evaporating to vapor) methods. Unlike traditional air-cooled systems that often struggle to manage higher thermal loads, liquid cooling—especially when integrated with Coolant Distribution Units (CDUs)—delivers superior thermal management, enhanced system reliability, and significant energy savings. CDUs efficiently regulate heat removal by optimizing heat dissipation and reducing energy consumption, ensuring precise cooling performance.
A Coolant Distribution Unit (CDU) is the heart of direct-to-chip (DTC) liquid cooling. Its primary objective is to deliver the required coolant flow at the required temperature to the racks. It is a critical component in the Technology Cooling System (TCS), which is a closed loop that delivers cold fluid to the racks and returns it to the CDU.
Air-cooling systems remain a central part of the data center cooling landscape not needing huge workloads (f.i. for banking). They offer a cost-effective, reliable, energy-efficient, and water-efficient cooling solution. While liquid cooling is gaining traction, air-cooling systems continues to play a significant role in data center cooling.
Product portfolio
Components for efficient coolant distribution units
By providing a comprehensive, reliable, and efficient cooling solution, CDUs empower data center operators to optimize their infrastructure for high density computing. Understanding the interplay of CDU components enables businesses to select the best fit solution, ensuring reliable performance, reduced energy consumption, and a future-ready data center that can evolve alongside emerging technologies.
Discover our product portfolio to design your CDU systems:
Controllers and software Fast, reliable, customizable control.
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Brazed and gasketed heat exchangers Superior thermal management. Learn more: |
Pressure independent control valves Precise flow control and hydronic independence.
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Pressure and temperature sensors Accurate, dependable monitoring. Learn more:
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Strainers and shut-off valves Reliable operation and serviceability. Learn more: |
iC7-HVACR drives Energy‑efficient, reliable, and intelligent VFDs for data centers
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Simulations services and support
Application expertise and virtual tools to support you
With Danfoss, you get much more than components. Whatever the data center configuration, we have the application expertise to help design your CDUs. Team up with specialists within R&D, Application Development Centers, simulation, ADM & rapid prototyping, and application- and material-experts to level up your liquid cooling systems. Learn more about our solutions.
Virtual system solutions: our tools and virtual system solutions using Modeling & Simulation, Data Analytics, Digital Twins, and Software Development support our customers in making the right choices when it comes to system designs.
Applications
More data center cooling solutions
More solutions for efficient cooling, waste heat recovery, and valve trains.
Insights
Additional insights on liquid cooling and CDUs
Liquid cooling technologies are evolving rapidly to meet the demands of high-density data centers and high output IT equipment. CDUs serve as a closed loop system that enables localized liquid cooling, which is critical for maintaining optimal temperatures and efficient heat transfer compared to traditional air-cooling methods. By absorbing heat directly from heat generating components, liquid coolant circulated by the CDU dissipates heat effectively, reducing thermal throttling and improving overall system efficiency.
The integration of CDUs with direct-to-chip cooling and rear door heat exchanger solutions allows data center operators to implement full liquid cooling systems or hybrid cooling strategies. These efficient cooling solutions not only lower power consumption but also support the increased thermal load from artificial intelligence and high-performance computing workloads.
Moreover, advanced CDUs provide precise control over flow rate and temperature, ensuring consistent cooling efficiency and system performance. This precise control is essential to prevent overheating and to maintain optimal operating temperatures, thereby extending the lifespan of IT equipment and reducing downtime.
As the data center industry moves towards greener and more sustainable cooling technology, CDUs are incorporating innovations such as improved filtration systems and compatibility with sustainable liquid coolants. These advancements contribute to effective thermal management while aligning with environmental goals.
In summary, CDUs are a cornerstone of modern data center cooling technology, enabling reliable, energy-efficient, and scalable cooling solutions tailored to the evolving needs of high-density data centers and advanced IT infrastructure.
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