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Eaton plate-fin heat exchangers are compact liquid to liquid heat exchangers used to transfer heat from a liquid cooling loop to another fluid stream, typically another liquid system. The heat transfer fin and plate construction add to the structural integrity of the heat exchanger, enabling it to withstand high pressures. This construction type also can contain large surface areas in relatively small heat exchanger volumes, which makes it a compact option for applications with tight volume or weight requirements.
In liquid cooling systems, plate-fin heat exchangers function as liquid to liquid heat exchangers, transferring heat between a primary coolant loop and a secondary fluid circuit without the two fluids making contact. This isolation is particularly useful in data center cooling, where facility water and the IT equipment coolant loop must be kept separate. Eaton plate fin heat exchangers are engineered to handle these dual-loop configurations with high pressure ratings and leak-free vacuum brazed construction.
An aluminum plate fin heat exchanger consists of alternating layers of corrugated or folded fins bonded between flat plates, all vacuum brazed into a single rigid structure. The fin geometry determines the surface area available for heat transfer and the pressure drop through each fluid pass. Eaton engineers select fin type, layer count, and plate dimensions to match the specific thermal and flow requirements of each application.
Our aluminum plate fin heat exchangers are custom-designed, as every system is unique. The plate fin heat exchanger construction is easily customizable to meet a broad range of heat transfer and system requirements. We vacuum braze our plate heat exchangers for maximum cleanliness, quality and reliability. Through our numerically controlled process and robust fixtures, we assure complete metallurgical bonding between plate fins for rugged and leak-free operation. We operate multiple vacuum brazing ovens, including one that can braze parts up to 3.05 m (10 feet) long and 0.97 m (3 feet 2 inches) wide.
A plate-fin heat exchanger can be designed to use any combination of gas, liquid and two-phase fluids. Our experienced engineering team carefully selects the number of plate and fin layers, the size of the plates and fin, and the type of fin for optimum performance. Manifold ducting and mounting brackets are welded in place as specified, and any required paint or coating (including MilSpec compliant) can be added.
| Part number |
| LL510G12 |
| LL510G14 |
| LL520G12 |
| LL520G14 |
| LL810G12 |
| LL810G14 |
| LL820G12 |
| LL820G14 |
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