When people think about data centres, they usually think of servers, racks, AI processing power and lots of lights. What they rarely think about is the cooling systems constantly working hard in the background to keep things online. 

At Pacific Hoseflex, our team spends a lot of time talking with engineers, contractors and facility managers about one common challenge: keeping cooling systems reliable under this constant demand.

The truth is, hose selection is usually one of the most overlooked parts of the entire system.

Supporting high-density data centres with reliable fluid transfer solutions

Modern data centres are in operation 24/7. Systems don’t have that downtime to simply “cool off”. Cooling infrastructure needs to operate continuously, efficiently and safely, especially now that AI workloads and high-density server environments are generating more heat than ever before.

Every component inside the cooling loop matters. Hoses not designed for constant thermal movement and vibration can cause big issues over time. These problems can lead to:

  • Leaks
  • Pressure inconsistencies
  • Reduced cooling efficiency
  • System downtime
  • Expensive maintenance shutdowns

Choosing the right hose assembly early in the design phase makes such a big difference.

At Pacific Hoseflex, we work closely with our customers to help design cooling systems that are built for long-term performance.

Explore our full range of data centre hoses.

What matters in data centre cooling hoses?

When our team talks to clients about cooling systems, there are a few key things we always focus on.

Flexibility: We know that data centres are tight environments. Pipework often needs to move around equipment, pumps and confined mechanical spaces. A flexible hose assembly helps reduce stress on connections while making installation much easier. It also absorbs vibration from pumps and cooling equipment, something rigid pipework alone can struggle with over time.

Corrosion resistance: Cooling systems commonly use treated water or glycol mixtures, which can gradually attack unsuitable materials. That’s why corrosion-resistant hose materials are needed to maintain reliability and protect the wider cooling infrastructure.

Pressure and temperature performance: Cooling systems rarely operate under perfectly stable conditions. Thermal cycling, pressure fluctuations and continuous operation place constant stress on components. Using hoses that are designed for industrial cooling applications helps prevent premature fatigue and extends the service life.

Flow efficiency: Smooth internal bore designs improve coolant flow while reducing turbulence and pressure loss, which is important in liquid cooling systems where thermal efficiency is critical.

The move towards liquid cooling

One thing we’re seeing more often across the industry is the move towards liquid cooling systems, especially in AI and high-performance computing environments.

Traditional air cooling is reaching its limits in many high-density applications. Liquid cooling allows operators to manage higher thermal loads far more efficiently. But liquid cooling systems demand higher-performing fluid transfer components. That’s where specialised hose solutions become critical.

Hose solutions for data centre applications

At Pacific Hoseflex, we offer hose assemblies suited to modern cooling infrastructure.

Jadeflex Liquid Cooling Hose

One of the most popular solutions for data centre cooling applications is our Jadeflex range.

Designed specifically for liquid cooling systems, the Jadeflex hose provides:

  • Smooth internal flow
  • Excellent flexibility
  • Reliable coolant transfer
  • Performance under continuous operation

It’s available in sizes from 19mm through to 102mm, making it suitable for a wide range of cooling system designs.

VITALFLEX® Stainless Steel Hose

For applications requiring higher pressure capability and long-term durability, we often recommend our VITALFLEX® Stainless Steel Hose assemblies.

These are ideal for mechanical plant infrastructure and demanding cooling environments where vibration resistance and corrosion protection are essential.

Benefits include:

  • Stainless steel corrosion resistance
  • High-pressure performance
  • Flexibility for complex installations
  • Vibration absorption
  • Long operational lifespan

Reliability is built into the small details

One thing our team always says is that reliable cooling systems are built from the small details upward. The servers may be the centrepiece of the data centre, but the cooling infrastructure keeps everything alive.

As data centres continue evolving towards higher densities and more advanced cooling technologies, properly designed fluid transfer systems will only become more important.

If you’re designing, upgrading or maintaining a data centre cooling system, our team at Pacific Hoseflex can help you select the right solution for your application.

Contact our team to learn more.