Views: 0 Author: Site Editor Publish Time: 2026-09-03 Origin: Site
The all‑aluminum microchannel dry cooler adopts fully‑brazed multi‑port flat‑tube microchannel coil, replacing traditional copper‑tube aluminum‑fin tube‑fin cores for closed‑loop liquid heat rejection. It works with water‑glycol mixtures, dielectric fluids and other clean process liquids, delivering air‑side free‑cooling without water consumption under normal dry‑mode operation.
Key practical advantages of all‑aluminum microchannel dry coolers include compact footprint, greatly reduced unit weight and much lower internal fluid volume, which cuts glycol filling volume for the whole cooling loop. The all‑aluminum structure eliminates copper‑aluminum galvanic corrosion risk found in bimetal tube‑fin coils; optional e‑coating or anti‑corrosion finish further extends service life for coastal or polluted ambient sites. Lower air‑side pressure drop helps reduce EC fan power draw and running noise for modular rack‑based installations.
Project designers need to understand its application boundaries. The fine internal micro‑passages require properly filtered, clean working fluid to avoid particle clogging. Local on‑site repair for a damaged brazed microchannel coil is not feasible; full‑coil replacement is required once serious leakage occurs. This makes it a better fit for well‑filtered closed‑loop systems rather than dirty open‑loop process circuits.
Typical target applications cover immersion‑cooled data centers, AI high‑density computing, crypto‑mining immersion racks, edge‑data‑center modules, battery‑energy‑storage BESS skids and packaged free‑cooling units, where space saving and light weight are high‑priority requirements. V‑type, horizontal and vertical layout configurations are available, together with optional adiabatic spray modules for high‑temperature regions.
CST Heat Exchanger provides custom‑built all‑aluminum microchannel dry coolers with flexible capacity range, fan selection, noise‑optimized setup and anti‑corrosion surface treatment. We also support 1:1 dimension replacement according to customer drawings for retrofitting existing cooling systems for global‑market clients.
