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28 May

GEA introduces new air-cooled condensing units – GEA Bock SHG44e/-L

GEA Bock SHG44e/-L air-cooled condensing units with proven reliability and optimized efficiency

In 2014 GEA introduced the new and more efficient semi-hermetic compressor range GEA Bock HG44e to the market  to replace the HG4 range and offers key advantages over the previous range: the 4-cylinder compressor combines the well-tried reliability and running smoothness of the preceding model HG4 with new and enhanced efficiency!

The advantages of the HG44e range have now been transferred to the air-cooled condensing units: the new range of the GEA Bock SHG44e/-L was launched in April 2015. The SHG44e/-L range with four model sizes covers the range of maximum displacements from 41.3 to 67.0 m³/h.

Compared to its predecessor, the GEA Bock SHG44e series now has four instead of three model sizes. The customer benefits from a more compact and efficient compressor for its application and customer specific needs can be addressed more efficiently.

In addition, the largest version, the SHG44e/770-4 compressor, offers almost 20 % more displacement with its 67.0 m³/h than the largest SHG4 model and replaces the smallest model size of the former SHG5 range with 62.9 m³/h.

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21 Nov

New assembly line for GEA Bock FK vehicle compressors

Men at work - New assembly line for GEA Bock FK vehicle compressors


To continue to offer its customers a maximum of quality, reliability, flexibility, and supplier dependability, GEA has invested in a new assembly line at its location in Frickenhausen (Germany). Beginning now, this plant will manufacture GEA Bock FK vehicle compressors for refrigeration and air conditioning: compressors of the FK30, FK40, and FK50 series. Production takes place according to the principle of line assembly.

These open type piston compressors represent the core component of many air conditioning systems used by prominent bus manufacturers. In addition, these compressors – with 2, 4, or 6 cylinders – are extensively used for rail air conditioning and transport refrigeration of goods.

The benefits of the new GEA Bock assembly line result from an automated fault prevention system as well as from close linking of the assembly processes with the respective customer requirements. The orders are scanned with barcode, which provides our assembly line colleagues with all required order-related drawings and details on a monitor during compressor assembly. This assures better linking of special customer requirements (for shut-off valves, to take one example) with the flow of equipment being assembled – and enables immediate detection of any anomalies during assembly.

Testing of the compressors is especially matched to the respective product type and to specific customer requirements. All compressors undergo helium tests for tightness and general functional tests. A special test stand assures reliable and efficient analysis of all functions and parameters. This guarantees the customer a maximum of safety and reliability for all functions and performance data.

The assembly processes run according to standardized procedures that enable more flexible reactions in handling large order input – with resulting increase in production volume. Production of the compressors takes place at consecutive assembly stations. At each station, the assembly worker has exactly the materials and the special tools that he needs for that step in the assembly line process.

Steffen Schmid, responsible for planning and management of the FK assembly line: “As a result of our innovation, we have succeeded in eliminating waste in our process. Predictive recognition of faults is now possible. We can now take positive action to prevent defects and to further enhance our very high quality standards. There is clear separation between assembly and logistics. We consider value-adding activities entirely apart from non-value-adding activities, and we avoid mixing the orders.”

As a result of restructuring of in-house procedures and processes, GEA can now not only enhance its quality in production of FK compressors, but can also better satisfy customers’ needs and specifications.


Assembly of a GEA Bock FK40 compressor at the new assembly line

Assembly of a GEA Bock FK40 compressor at the new assembly line


At this test bench, every FK compressor is tested and cleared before delivery to the customer

At this test bench, every FK compressor is tested and cleared before delivery to the customer


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12 Nov

Christmas Opening Hours

Please note we are operating restricted opening hours over the Christmas Holiday this year.

Date Hours Delivery
Wednesday 24th 0800 – 1200  Monday 29th
Thursday 25th Closed  –
Friday 26th Closed  –
Monday 29th 0800 – 1600  Tuesday 30th
Tuesday 30th 0800 – 1600 Wednesday 31st
Wednesday 31st 0800 – 1600  Monday 5th
Thursday 1st Closed  –
Friday 2nd 0800 – 1600  Monday 5th
Mon 5th (Onwards) Business as normal  Tuesday 6th


Our opening days and times are above, with corresponding delivery estimates.

Thank you for your custom in 2014, and we look forward to supporting you and your business in 2014.

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12 Aug

The new GEA Bock F28 compressor

GEA Bock F28 – More powerful and more efficient intelligent design

Image of GEA Bock F28 compressor

Bochum (Germany), August 7, 2014 – At the Shipbuilding, Machinery and Marine Technology
International Trade Fair (SMM) from September 9 to 12 in Hamburg, GEA will present the new GEA
Bock F28 compressor models for marine applications. Despite their large displacement these
compressors fit through any common ship’s door, which makes for simple installation. With its
new F28 series, GEA offers a maximum of reliability, flexibility, and operational safety for the
maritime industry, which often depends on open piston compressors with external drive motors.

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.

The F28 can basically be operated with all widely used refrigerants. At the fair SMM, the model series presented will provisionally feature only operation with synthetic refrigerants, which will be available in 2015.

The new GEA Bock F28 compressor – never seen before

Image of GEA Bock F28 compressor

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14 Jul

Compressor units for open-type GEA Bock 8-cylinder compressors

Following the introduction of the F18 last year, GEA Bock is expanding the open type compressors by the compressor units in line with tradition.

Alongside the familiar FDK types, a version with coupling case, to be marketed under the SFD designation, will now also be available for the first time.

FDK Compressor units

Compressor with flexible shaft coupling for direct drive mounted on a profile base frame. The power transmission from motor to compressor occurs via an elastic flexible shaft coupling. ICE standard motors of type IM B3 are used as drive motors (option).

Special features:

  • Simple and robust construction
  • Use of standard motors
  • Optimum power transmission via direct coupling

SFD Compressor units

Compressor with flexible shaft coupling for direct drive mounted on a profile base frame. Power transmission from motor to compressor occurs via an elastic flexible shaft coupling. The automatic self-aligning of motor and compressor is achieved using coupling bell. ICE standard motors of type IM B3 are used as drive motors (option).

Special features:

  • Simple and robust construction
  • Use of standard motors
  • Optimum power transmission via direct coupling
  • Optimum alignment of motor and compressor via coupling bell
  • Date of introduction of both types: immediately

Product Information Compressor GEA Bock open-type 8-cylinder compressor units 

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10 Jul

GEA Bock offers greater efficiency semi-hermetic compressor series


Image of GEA Bock compressors - HG44e - HG56e - HG76e - HG88e

GEA Bock has upgraded its range of semi-hermetic compressors and from 2014 will offer new, efficiency-optimized solutions for applications in refrigeration and climate control.

Experience from decades of design and construction of semi-hermetic compressors has gone into development of the new “e-series” (e = efficiency).

The new HG44e (4- cylinder) and HG88e (8-cylinder) models are already available. Beginning in fall of this year, in addition, the HG56e and HG76e models will also be on the market.

The HG76e and HG88e compressors are equipped with the newly developed GEA Bock mexxFlow valve-plate technology, which enables greater refrigeration duty while operating with less power consumption. The flow-optimized double ring fin construction  of the mexxFlow valve plate – in combination with a cylinder head especially adapted to the valve plate – have increased the efficiency of the HG76e and HG88e compressors by approx. 15 %.

GEA Refrigeration Technologies has based these four new semi-hermetic compressor series on the proven principles of GEA Bock compressors. These fundamentals include assurance of effective lubrication by an oil pump, application of exchangeable electrical motors, as well as manufacture of very solid and rugged compressors.

These new GEA Bock compressor series offer a great number of benefits over their predecessor models.


  • The HG44e series :

The new GEA Bock HG44e compressors replace the HG4 series and are characterized by increased efficiency, greater displacement, more compact design, and a new configuration of connections. These connections conform with currently provided gas fittings, which enables replacement investment without adaptation.

The foot mounts of the new 4-cylinder compressors also conform to sector standards. The HG44e models with four model sizes cover the range of maximum displacements from 41.3 to 67.0 m³/h. This allows optimal coverage of individual performance requirements.

The GEA Bock HG44e series, in comparison to its predecessors, now offers four instead of three model sizes. In addition, the largest version, the HG44e/770-4 compressor, offers with its 67 m³/h almost 20 % more displacement than the largest HG4 model. As a result, this series of models offers the most extensive performance coverage of any brand in the sector.


  • The HG88e series :

For several months now, GEA Bock HG88e compressors have already been on the market. The largest GEA Bock 8-cylinder for commercial refrigeration presently on the market is available in two model sizes: from 237.9 to 281.3 m³/h. This model series is impressive owing to an efficient stroke-bore ratio, optimized gas flow, highly efficient motors, as well as the same dimensions and connections as for its predecessors in the HG8 series.

In addition, efficiency enhancement of up to 15 % is possible in combination with mexxFlow valve-plate technology.


  • The HG56e series:

Beginning in fall of this year, a total of three 6-cylinder models in the HG56e series will replace the previous GEA Bock HG5 series. These new compressors will be available with displacements of 73.8 to 100.4 m³/h. Throughout the portfolio, 6-cylinder compressors will then be offered instead of the previous HG5 4-cylinder models.

Compared to the 4-cylinder compressor models typically available on the market, the increase in number of cylinders leads to enhanced efficiency and to optimized noise-emission levels. The largest compressor, with 100.4 m³/h displacement, exceeds that of its predecessor by approx. one-fifth – and offers as a result an especially great price-performance ratio.


  • The HG76e series:

Also from fall of 2014, the new GEA Bock HG76e series of models will arrive on the market to upgrade their predecessor models from the HG7 series. The new 6-cylinder compressors are characterized by more efficient design of the gas ducts as well as optimized electric motors from the latest generation.

In combination with mexxFlow valve-plate technology, total efficiency enhancement of up to 15 % is possible.


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24 Mar

The new, greater-efficiency GEA Bock HG44e compressors

Image of GEA Bock Compressor - HG44e

With its GEA Bock HG44e compressor range, GEA Technologies introduces new, more efficient semi-hermetic compressors to the market – models that replace its HG4 range. Experience from more than 20 years of production of semi-hermetic compressors has gone into this development.

In addition to their uses in the field of refrigeration and air-conditioning, the new 4-cylinder compressors are ideally suited for refrigeration in supermarkets. They offer improved efficiency over their predecessors, greater displacement, more compact structural design, and a new configuration of connections.

These connections match the gas connections normally found in the sector, to ensure that no adaptation work is necessary when the user invests in a replacement compressor. The foot mountings of the new compressor likewise conform to sector standards.

In the 4-cylinder HG44e range, four model sizes cover the area of maximum displacement from 41.3 m³/h to 67.0 m³/h. These output ranges enable optimal meeting of performance requirements. These new compressors are available from April of 2014.

The new range profits from a new and advanced valve plate system, electrical motors from the latest generation, and enhanced gas flow – which increase efficiency and lower energy consumption. In comparison to its predecessors, the GEA Bock HG44e range includes four instead of three model sizes.

In addition, the largest version, the HG44e/770-4 compressor, offers with its 67 m³/h, almost 20 % more displacement than the largest HG4 model. As a result, this compressor range demonstrates the greatest power density in the sector.

The GEA Bock oil-pump design, proven over many years, further assures reliable lubrication of all moving parts. The new models furthermore demonstrate excellent service friendliness – for example, simple exchange of the drive motor, as before.

With its new GEA Bock HG44e compressors, GEA Technologies sets new standards in efficiency and performance.

Image of GEA Bock Compressor - HG44e

GEA Bock compressor of the new HG44e range.

Via the download area below, you can find a product catalogue about the HG44e range.

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01 Oct

Enhanced Capital Allowance – ECA

Quality bespoke design cooling and heating solutions tailored to meet your application with the ECA scheme


Invest the initial capital and then claim 100% of the products and installation costs back using the Governments ECA Energy saving scheme ” ENHANCED CAPITAL ALLOWANCE “. The GEA Bock range of air-cooled compressors qualify as one of the listed energy saving products required to benefit from the scheme. You can find out all the relevant information through the HM Revenue & Customs links shown at the bottom of the page.


gogo-logoSouthern Sales & Services have been involved in Energy saving cooling and heating solutions using Enhanced Capital Allowance for the past 4 – 5  years and have already seen our customers benefit from ECA.

Our first project with Pizza Go Go back in 2009 was a complete success and we are now involved in the design calculations of there new development in the second phase of there installation program.

The case study of the the original inefficient refrigeration systems used to chill/freeze there cold stores was found to be inadequate and are now being replaced with brand new bespoke design systems using GEA Bock air-cooled HA34 compressors. This has now further reduced there carbon footprint and saved on there business Energy bills.

Customers website link Pizza GoGo


If you would like Southern Sales & Services to take part in your case study and design of Energy saving cooling and heating applications through the ECA scheme then please do not hesitate to contact our technical team who will assist you with your project.



First year allowances for energy saving products 

The Enhanced Capital Allowance (ECA) energy scheme provides tax allowances for energy saving products.

The scheme offers a 100% First-Year Aallowance (FYA) for investments in certain energy saving plant and machinery. If you buy equipment that qualifies, you can write off, for example, 100% of the cost against that year’s taxable profits. This could save you a lot of money, as well as reduce your business’ energy use, carbon footprint and climate change levy payments.

The ECA energy scheme supports a variety of energy saving technologies, such as energy efficient boilers, lighting, refrigeration equipment, and metering and monitoring systems. This guide explains how the scheme works, what energy saving products qualify, and how to claim an allowance.

Information centre :


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25 Jun

New generation of the biggest GEA Bock compressors


With mexxFlow valve technology by GEA Technologies

New generation of the biggest GEA Bock compressors with more refrigerating capacity, less drive power – in addition to a displacement of up to 280 m³/h – the new Bock compressor models HG7e and HG88e offer maximum efficiency and easy handling for chillers and performance-intensive refrigeration applications.

The revised versions of the GEA Bock 6-cylinder and 8-cylinder compressors, which had been established ten years ago, achieve new records in terms of efficiency due to the use of the GEA Bock mexxFlow valve system.

Especially in applications like chillers, semi-hermetic reciprocating compressors offer further attractive benefits in comparison to screw compressors:


  • lower oil throw
  • easy capacity control  via shutdown of the cylinder bench
  • no high-frequency operating noises
  • easy motor change in the case of service
  • Bock 6 and 8 Cylinder Compressors

GEA Refrigeration Technologies achieves an advance in efficiency of the models HG7e and HG88e in comparison to its predecessors due to the use of the mexxFlow valve system. The mexxFlow system makes it possible to minimize pressure losses thanks to a flow-optimized double ring fin construction of the valve plate in combination with a cylinder head, which is specially adapted to the valve plate. Thus, the efficiency of the compressors can be increased considerably.




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23 May

GEA Introduces Biggest Semi-hermetic CO2 Compressor

Image of The new GEA Bock HG46 CO2 T

The new HG46 CO2 T

The new semi-hermetic 6-cylinder piston compressor GEA Bock HG46 CO2 T is now available.   With a displacement of 21,8 to 30,2 m³/h, it is the biggest semi-hermetic compressor for transcritical CO2 applications with operating pressures of up to 130 bar currently available on the market.   At normal cooling – gas cooler outlet conditions +35°C (90bar), evaporation temperature -10°C, superheat 10 K – it has an outstanding COP (coefficient of performance) of more than 1,85.

The GEA Bock HG46 CO2 T is characterized by its robust engineering design that enables maximum standstill pressures of 150 bar on the high pressure side and 100 bar on the low pressure side.   The compressor is based on the already established HG34 CO2 T and is used in numerous industrial heat pumps as well as classical refrigeration applications such as supermarkets.   With semi-hermetic GEA Bock compressors for the sustainable refrigerant CO2, GEA Refrigeration Technologies offers a broad portfolio for subcritical and transcritical CO2 applications and more than 20 years of experience in this technology.

GEA Bock HG 46 CO2 T-a

Biggest semi-hermetic compressor for CO2 at operating pressures up to 130 bar

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