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GEA Bock compressors – Marine cooling solutions

Southern Sales & Services provide a complete supply package for all aspects of refrigeration and air conditioning systems used within the marine industry. Our systems offer numerous solutions for meeting state-of-the-art refrigeration technology requirements.

Our standard key product is GEA Bock, available in a diverse range of models, sizes as well as the latest compressor electronic control technology.

GEA Bock also have been the pioneer under this motto in developing technical solutions which set the benchmark for energy and efficiency, operating safety and reliability, not only for compressors but for the whole refrigeration plant.

If you require more information then please do not hesitate to contact us by phone or by using the quick contact form at the bottom of the page.

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The new GEA Bock F28 compact piston compressor

The largest model from the GEA Bock F28 series offers a displacement of up to 553 m³/h, which means that GEA has closed a performance gap in its product portfolio. In the design of these new 8-cylinder models, GEA combines the expertise from GEA Bock compressors in smaller and medium-sized output ranges with that from large GEA Grasso compressors for industrial refrigeration facilities.

The largest model from the GEA Bock F28 series offers a displacement of up to 553 m³/h, which means that GEA has closed a performance gap in its product portfolio. In the design of these new 8-cylinder models, GEA combines the expertise from GEA Bock compressors in smaller and medium-sized output ranges with that from large GEA Grasso compressors for industrial refrigeration facilities.

Compared to competitors’ models in this output range, the F28 – thanks to compact dimensions – demonstrates considerably less weight and size, which significantly simplifies installation as well as transport. Despite its great displacement, it is easy to move the F28 through any common ship’s door. This means that no expensive work is necessary on the ships bulkheads, which must be removed for conventional compressor models.

Also with respect to efficiency, the F28 compressor sets new standards for open piston compressors. As with the previously largest GEA compressors from the F18 series, the GEA Bock mexxFlow valve system is also used in F28 compressors. This valve system features double lamellar ring design for the valve plate, with optimized flow characteristics, in combination with a cylinder head especially designed for use with this valve plate. By use of this valve system, GEA enhances the efficiency of the compressor by approx. 15 %, compared to the employment of conventional valve-plate engineering. This solution guarantees more cooling duty with less power consumption.

Cool Heads on High Seas – Marine air-conditioning with GEA Bock

The use of modern air-conditioning systems on high seas is now commonplace. In civilian or military shipping alike – a pleasant climate on board makes for a more efficient team and an optimum working environment for the crew.

GEA Bock F series compressors, as robust as they are reliable, are frequently used in the air-conditioning systems on ships. These open-type compressors are driven from an external drive and stand the test of time over decades on high seas.

Semi-hermetic compressors from the GEA Bock HG series are also found more and more often in the air-conditioning systems of modern ships. Shipyards and air-conditioning system manufacturers all over the world rely on Bock whenever energy-efficient and reliable compressors are required.

GEA Bock – Cruise and Passenger solutions

The way is the goal. For vacationers who book a cruise, the ship experience itself has increasingly become the actual destination. Cruise ships are becoming ever larger, and passengers expect an extensive offering of entertainment, sports, wellness and luxury.

All of this of course includes comfortable room climate – already enough of a challenge in normal hotels. On cruise ships, though, it represents truly difficult terrain: which GEA Technologies gladly moves through for you. We have, for example, equipped passenger ships of Carnival Cruise Lines Inc. and of P&O Cruises with HVAC systems that create comfy coolness during hot nights on board.The general trend for wellness and good health has also extensively entered the world of cruise cuisine. In fact, cruise passengers expect delicious but healthy food on board.

The cooks of the countless restaurants on board cruise ships therefore expect that their fresh ingredients are stored under perfect conditions. In order to ensure sophisticated cooling in storage rooms for foods and beverages, GEA refrigeration systems are hard at work for the two reference cruise lines mentioned above.Those in charge of such restaurants take it absolutely for granted that the quality and reliability of such systems are flawless. The great challenger for GEA here, however, is in the efficient organization of the installation work. During construction and outfitting of a cruise ship, installation specialists from GEA Refrigeration Technologies must work from the bottom of the ship upward, from level to level, in extremely cramped space.

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Cooling and refrigeration for passenger ships:

    • Chillers for comfort climate control
    • Refrigeration technology for storage of food and beverages
    • Heat exchangers

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  • Air-handling units

Cool Heads on High Seas – Refrigeration technology with GEA Bock

To ensure a long life for business relationships as well, GEA Technologies offers effective cooling or freezing technology for every fisherman. The daily routine of fishing work varies considerably. Some fishing boats leave port in early morning and return to harbor on the same day. Others are underway for days on end. To maintain freshness quality in any case, the catch should be immediately cooled to around 0 °C. There are two solutions possible here: the ice is either loaded on board when the ship leaves the harbor, or the ice is produced on the ship as needed.

This all sounds easy enough, but it demands considerable expertise. Ice machines dedicated to this purpose cool water in a vertical cylinder until it freezes on the inner wall. The ice is scraped off and falls into an ice container located below. The flake ice gained in this way is ideal for use on the high seas, especially since it is “fish-friendly”. Despite the name “flake ice”, the small curved pieces of ice have no sharp corners – which protect the thin, delicate skin of a fish. Flake ice is particularly gentler on fish skin when it has been made from seawater: the salt content makes the ice even “softer”. In addition, this ice is dry, and the fish does not swell. The cool mass has just the right consistency – not too hard and not too liquid – and can be easily handled on a ship, since it can be heaped up. Cold: yes. Too cold: no. There is a temperature below which fish cannot be stored. Otherwise, dreaded freezer burn will take place and will rob seafood of its taste and its attractive colour.

The purpose of the ice, however, is not only to keep the fish at a particular temperature. As the ice slowly melts, this automatically washes the fish – and the natural mucous layer and the moisture of the skin will remain. Whether for fresh water or sea water – we at GEA know what it’s all about. Our 40 models of Geneglace ice machines offer the perfect solution for virtually any application. Daily ice capacity of these machines is between 200 kg and 50 metric tons, depending on the equipment type. Ice machines that directly produce the ice on board are equipped with ice generators especially designed for the rough conditions that prevail on the high seas. They chug along even despite heavy waves and are not sensitive to corrosion by the saline content of sea air. These ice generators are available alone or as compact ice machines with ice packs. Likewise available are accessories such as the following: ice towers for storage, conveyor belts, insulated transport boxes, and dosing systems.

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Flake ice

  • Substantial cooling power
  • Dry (no water) and sub-cooled at – 5 °C
  • Latent heat 100 % available
  • Excellent cooling capacity
  • Large heat exchange surface area
  • Maximal thermal exchange
  • Precise temperature control
  • 100 % of ice and precise calculation
  • Ease of handling/storage
  • Free flowing
  • Does not stick together

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