#Industry News
Liquid Cooling’s “Last Mile”: Full Guide to Data Center Manifold & Quick-Disconnect Technology
Zero-Drip, 30kPa Drop, Hot-Swap Ready: The Manifold and QD Pair That Completes the Liquid Cooling Loop
Manifolds and quick-disconnect fittings form the thermal last mile of liquid cooling, handling reliable coolant delivery and return between CDUs and server cold plates. Manifolds split a single CDU pipeline into multiple branches—8/12/16/24 channels at 5-15 L/min each with pressure drop below 30kPa—in top-of-rack, in-rack or row-level CDM forms, with flow balance critical for NVIDIA NVL72 GPU clusters where uneven distribution causes local overheating and throttling. Quick-disconnect fittings with spring valve cores achieve zero-drip disconnection, enabling hot-swap server maintenance without draining the loop. Industry specifications split between open OCP UQD/UQDB standards and exclusive NVIDIA NVQD and Huawei CQDB ecosystems. EXTRCOOL provides one-stop liquid cooling solutions.