Open type piston compressors in new dimension

In industrial as well as maritime applications, system operators often use open type piston compressors with an external drive when a high degree of reliability, flexibility and operational safety is required. Especially for these application fields, GEA Technologies now presents the new GEA Bock compressor models F18 of the established GEA Bock F-series.With F18 compressor GEA now closes the gap between the GEA product lines GEA Bock and GEA Grasso.

The construction of the new 8-cylinder compressor models GEA combines the know-how in the small and medium output range with know-how in the higher output range. To meet the high quality demands of open-type compressors in this capacity range, GEA focuses on uncompromising quality. A plasma-nitrocarburized crankshaft for example drives the eight pistons of the compressor.   At the same time, the F18 compressor sets new benchmark standards for open-type piston compressors.For the first time, the GEA Bock mexxFlow valve system is used in this compressor.

The mexxFlow system is a flow-optimized double-ring design of the valve plate in combination with a cylinder head especially designed for the valve plate. Due to the use of this valve system, GEA is able to increase the efficiency of the compressor by 15%, compared to the use of standard valve plate technology. With these results, the F18 reaches a new level of efficiency for compressors of this type.When it comes to size and weight of the compressor, the F18 is also significantly smaller than competitors in this capacity range. A fact that makes the compressor much easier to handle, for instance for transportation or when taking it into a machine room.   The F18 compressor is available for standard refrigerants with the start of the Chillventa. A special version for the established refrigerant for industrial systems NH3 (Ammonia) will follow in 2013.

• An animated movie about the F18 compressor can be found here.

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