Why Metal Hoses Matter in Liquid Cooling Systems
Metal hose assemblies absorb vibration, manage thermal expansion, and protect long-duty CDU loops from stress failures.
Metal hose assemblies are critical in CDU systems for managing vibration, thermal expansion, and high-pressure fluid movement. The right hose specification can be the difference between a stable loop and recurring field issues.
Most CDU vibration originates at the pump skid. Without flexible decoupling, that vibration travels into rigid piping and creates fatigue at welds, threaded joints, and equipment flanges. A correctly specified braided metal hose absorbs the displacement before it reaches the rest of the loop.
Thermal expansion is the second consideration. As a CDU cycles between idle and full load, supply and return temperatures swing meaningfully. Rigid runs accumulate stress; metal hoses act as movement joints that keep pipe stress within design limits.
Specification matters: braid material, end fitting compatibility, live length, and pressure-temperature derating all affect lifetime. Generic hoses fail early. Hoses sized for the actual operating envelope last the life of the CDU.
KEY TAKEAWAYS
- →Absorb vibration from pumps and rotating equipment
- →Handle thermal expansion across operating temperatures
- →Reduce stress on rigid piping and connection points
- →Support reliability across long-duty CDU operations
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