Product Description
Alfa Laval printed circuit heat exchangers (PCHEs) combine superior robustness and integrity with exceptionally high heat transfer rate in a unit up to 85 % smaller and lighter than traditional shell and tube exchangers. The unique design results in excellent performance, lower installation and operational costs, and improved safety. Each unit can be fully customized according to the exact needs of the customer.
Applications
The PCHE is designed specifi cally to deliver un-paralleled compactness and efficiency in clean and high-pressure duties, that are beyond the capability of other welded plate type heat exchangers, with design pressures ranging from vacuum to 650 barG (9,430 psiG).
Typical marine applications are, High Pressure Vaporizer in fuel gas supply systems and gas heating/cooling duties in reliquefaction systems on LNG carriers.
Technical data
Design pressure
CE/PED Vacuum to 650 barG (9,430 psiG)
ASME Vacuum to 650 barG (9,430 psiG)
Design temperature
316L SST –196°C (cryogenic) to 800 °C
(–321°F to 1,472 °F)
Connections
2–30 inch typical, customizable
Standard materials
316L SST (other materials available on request)
Dimensions/Weights
On request tailored towards requirements, ranging from a few kilograms to tens of tons
PCHE benefits
- Exceptional savings in footprint, volume, weight and structural support costs
- Extensive capacity range
- Design temperatures from cryogenic to 800°C (1,472°F) and design pressures up to 650 barG (9,430 psiG).
- Exceptionally high heat transfer rate for maximum operating efficiency
- Safe to operate – no pressure relief valve needed
- Easy maintenance ensures maximum uptime
- Diffusion bonding opens up for full customization possibilities in terms of fluid channel design pattern
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