Alfa Laval
AXP High-Pressure Brazed Plate Heat Exchanger
The Alfa Laval AXP is a family of high-pressure copper-brazed plate heat exchangers, offered in a range of sizes to suit different capacities. Reinforced with thin external carbon steel frames, it is built to withstand very high operating pressures and is particularly well suited to CO2 transcritical duties.
Product Benefits
- Pressure headroom: Where an ordinary brazed exchanger would run out of pressure headroom, the external frame construction lets a compact, gasket-free unit stand up to the demanding pressures of CO2 transcritical systems.
- Compact where bulk is normal: You keep the space and efficiency advantages of brazed plate technology in an application that would otherwise call for much bulkier equipment.
- Sizes for every capacity: The family spans several sizes, so the same design approach can be applied from small to larger capacities.
- Distribution system option: Units can be supplied with a refrigerant distribution system.
- Easier handling: Every unit is delivered with lifting lugs for simpler handling and installation.
Where It's Used
- Air conditioning and refrigeration: The AXP is at home in these systems, with CO2 transcritical gas cooling as its signature duty.
- Natural refrigerant plants: It suits refrigeration installations that adopt CO2 as a natural, low-GWP refrigerant.
- Beyond conventional pressures: Those systems need equipment rated well above conventional pressure levels, which is exactly what this design offers.
Good to Know
- Plates and frame: The heat transfer plates are stainless steel joined by copper brazing, while the external frame is zinc-electroplated carbon steel.
- Connections and approvals: Connections are available as external thread, soldering or welding, and the design tolerates full vacuum while carrying PED and UL approvals.
- Sealed for life: As with any brazed unit it cannot be opened for service, so clean, filtered circuits are important for long life.
- Documentation per size: Each size in the family has its own leaflet.
- Selection by system: Selection is best made against the specific capacity and pressure requirements of your system.
