With a robust and reliable construction, Alfa Laval’s comprehensive range of brazed plate technology offers a smart alternative to traditional heat exchangers. Example positions for our brazed heat exchangers include air conditioning and process chillers, commercial and industrial refrigeration, district heating and domestic hot water, heat pumps, gas boilers, energy storage, fuel cells, oil and fuel cooling, hydraulics, engine cooling, air compressors, and air driers.
In Copper Brazed (CB) heat exchangers, the surfaces used to provide heat transfer from one medium to the other are thin, corrugated stainless steel plates stacked on top of each other. The two media are sealed within the plate pack by a brazed copper seal around the edge of the plates. This results in a heat exchanger that – unlike traditional designs – consists solely of surfaces which actively contribute to heat transfer, resulting in significant increases in overall efficiency.
The channels formed between the plates and corner ports are arranged so that the media flow through alternate channels – always in a counter-current flow pattern in order to achieve the most efficient heat transfer.
The contact points between the plates are also brazed, helping to withstand the effects of high pressures and high temperatures. Pressure peaks and rapid temperature cause substantial physical stresses within the materials, and Alfa Laval research has focused on the details of these phenomena in order to ensure designs that are extremely resilient and provide a long service life
- Lightweight brazed construction offers much greater thermal efficiency than comparable shell-and-tubes with a footprint that’s 75% smaller
- Alfa Laval’s FlexFlow plate design provides channel asymmetry that can be tailored to fit the application
- We help you select the optimal pressing depth, plate pattern and configuration for your application
- Compact footprint, optimized plate design and high design pressure