Liquid cooling

Cooling challenges in data center white spaces continue to grow more complex. Society’s explosive need for larger amounts of data, delivered at faster speeds, is driving an exponential increase in power consumption, and a subsequent demand for more effective cooling. At the same time, IT businesses face increasing pressure to improve energy efficiency and operate more sustainably.

To meet these demands, liquid cooling systems are already replacing traditional white space cooling technologies in many data centers around the world, a trend that is expected to continue. Alfa Laval has extensive experience providing space-saving, highly efficient and innovative solutions for liquid cooling, including a comprehensive portfolio of compact brazed and fusion-bonded plate heat exchangers. Contact us today to learn how we can support data centers of all sizes, in a wide range of climates, to meet your liquid cooling needs!


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Alfa Laval data center liquid cooling

Accelerating sustainability in data centers with liquid cooling

Energy efficient cooling is critical for building more sustainable data center operations. Watch this video to learn about the advantage of liquid cooling. Tommaso Ferrarese, our Global Product and Application Specialist guides you and explains how Alfa Laval can support your data center to become more energy efficient and sustainable.

Single-phase direct-to-chip liquid cooling

Single-phase direct-to-chip liquid cooling

In a direct-to-chip system, liquid coolant directly cools hot components, via a cold plate on the chip. The plate heat exchanger, placed outside the server rack, cools the liquid media that is heated by the Coolant Distribution Unit (CDU) during operation. The heat exchanger functions as a circuit breaker between the media in the systems, minimizing the volume of coolant required, and thus providing improved cost-efficiency.

Single-phase immersive IT chassi

Single-phase immersive IT chassi

In single-phase immersive IT chassi, dielectric liquid cools the equipment. This can take place passively, via conduction and natural convection, or by actively pumping the liquid within the servers. Here, the heated liquid flows through the heat exchanger in a water loop where it is cooled again. The heat exchanger and pumps can either be installed inside the server or outside in a side-arrangement.

Single-phase immersive tub

Single-phase immersive tub/open bath

Single-phase immersive tub, also called open bath cooling, entails completely immersing the IT components inside the rack, where a dielectric liquid, or coolant, absorbs the heat. The heat is then transferred to a single or two-phase fluid via an IT chassis or open bath. There are two main categories of cooling liquids: hydrocarbons and fluorocarbons.

Two-phase immersive tub

Two-phase immersive cooling

Two-phase immersive tub uses heat from the components to warm a low-boiling-point liquid. The liquid becomes vapour, rising until it contacts a condenser in the top of the tank. The vapour cools, changing phase into liquid again, and then falls as rain back onto the component, and the process begins again. In this type of system, plate heat exchangers can be used as either evaporators or condensers.



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The benefits of brazed plate heat exchangers in white space liquid cooling:

  • Offer a highly energy-efficient solution for ensuring maximum sustainability
  • An ideal solution for use with low-GWP, natural refrigerants, thanks to the compact footprint, optimized plate design, and high design pressure
  • Alfa Laval’s patented, flexible DynaStatic distribution system enables higher efficiency with any refrigerant
  • Alfa Laval’s FlexFlow plate design provides channel asymmetry that can be tailored to fit the application
  • Fully recyclable equipment ensures strong supply chain circularity
  • All fittings can be customized, to ensure a reliable interface with their counterpart


Learn more about Alfa Laval’s brazed heat exchanger portfolio

Discover the future of green IT with Alfa Laval

Alfa Laval has supplied solutions for server cooling rooms since the earliest days of the internet. Today, we offer a wide range of solutions for data center cooling, all backed by a worldwide service network of experts who understand your business. If you partner with us as you begin planning your data center project, we can help you design a system that ensures you get maximum cooling efficiency and reliability.


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Ready to learn more?

Want to find out how we can boost the cost efficiency and sustainability of your data center with liquid cooling solutions based on leading plate heat exchanger technologies? Contact us today, and our experts will be in touch!

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