New GEA Searle condensers: less refrigerant, reduced weight

Press Release

04. September 2013 Thanks to enhanced configuration of their heat exchanger tubes, the new GEA Searle condensers from the RF range (for synthetic refrigerants) and the NF range (for ammonia) require a smaller refrigerant charge. They are also lighter than their predecessors. In addition, GEA Heat Exchangers engineering designers have modified the casings of these weather-resistant, air-cooled condensers – as part of model updating – to such an extent that the new design has optimized the flow rate and has increased mechanical stability.

The GEA Searle condensers in the RF and NF ranges require less refrigerant and are lighter than their predecessors – as a result of smaller tube diameters.
The GEA Searle condensers in the RF and NF ranges require less refrigerant and are lighter than their predecessors – as a result of smaller tube diameters.

The GEA Searle RF range is available for the capacity range of 5 to 1,342 kW (as per EN 327:2000), in flat-bed or vertical configurations. As a result of extensive testing, GEA Heat Exchangers has now implemented two tube patterns for this particular new range of condensers; one with 12-mm tubing, and the other with 3/8" tubing. These two configurations are differently suited for various applications, and the Searle Product Selector software determines the optimal solution for the user’s application. Customers can also choose among various fans, including energy-saving EC fans with 910-mm diameter. These fans can regulate fan speed with continuously variable control, in accordance with demand, and are therefore especially energy-efficient and quiet. An adiabatic spray system and various GEA Searle control packages are available as options.

The air-cooled condensers in the NF range are designed on the same basic principle as those in the RF range – and they offer identical configuration possibilities, fans, and accessories. The NF models, however, are designed for operation with ammonia as refrigerant, and they have heat exchanger tubes and headers made of stainless steel. GEA Heat Exchangers utilises a single 12-mm tube pattern here, after test results showed that this T-fin configuration achieves optimal heat exchanger efficiency for the applications covered. These NF-models cover the capacity range from 5 to 1,330 kW (as per EN 327:2000).

Sales contact:
GEA Heat Exchangers Ltd.
GEA Searle Systems
Richard Saunders
20 Davis Way, Newgate Lane, Fareham, Hampshire, PO14 1AR, United Kingdom
Tel: + 44 (0)1329 823344
searle.hx.uk@gea.com

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