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Alfa Laval has developed Alfachill (AC) brazed heat exchangers (BHEs) for a range of duties in the refrigeration and HVAC sectors, including condensers and evaporators for heat pumps.

The new AC units achieve a high co-efficient of performance (COP) with HFC refrigerants such as R407C, R404A and R507 as well as with natural refrigerants (CO2 – propane).

The latest models, the AC230 and the AC500, are ideal for use with R410a, the favoured refrigerant for modern HVAC systems, and are designed for use as chillers in the 50-600kW range.

The AC range is split into normal and high-pressure versions.

Models in the normal range can handle up to 32bar, while the high-pressure units will work up to a maximum of 45bar.

Thanks to a patented channel plate design and a new distribution circuit, they provide 20 per cent more cooling capacity than the models they have been built to replace, even though they fit within precisely the same footprint.

This simplifies the upgrading of existing installations if necessary.

All of the units comply with major pressure vessel codes such as PED (Europe), UL (US) and KHK (Japan).

Alfa Laval's operations are based on leading global positions in the three key technologies of heat transfer, separation and fluid handling. Continuous product development is essential to strengthen competitiveness. About 2.7 per cent of total sales are invested annually in research and development, resulting in 25–30 new product launches a year.

Alfa Laval's products are sold in approximately 100 countries, 50 of which have their own sales organisations. The company has 20 large production units (12 in Europe, six in Asia and two in the US) and 70 service centres.

The customer's peace of mind depends on having the right service setup. For Alfa Laval, service is a total concept that covers everything from supplying the smallest spare part to being a lifetime performance partner. Alfa Laval has a global network with more than 200 skilled service specialists, a broad range of competitive service solutions, unique expertise based on more than 120 years in business and service centres in hundreds of locations in more than 50 countries.

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