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GEA Bock Semi-Hermetic Compressors

The GEA Bock HG (Hermetic Gas-cooled) range of semihermetic compressors offers traditional suction gas-cooled compressor state of the art technology. These compressors of the highest quality standard excel in their running comfort, easy maintenance, efficiency and reliability.

The entire range of gas-cooled commercial GEA compressors, HG22e, HG34e, HG44e, HG66e and HG88e, is now available in the new, optimized design. In addition to their uses in the fields of refrigeration and air-conditioning, the new compressors are ideally suited for refrigeration in supermarkets. They offer improved efficiency over their predecessors, greater displacement stages, a more compact structural design, and a new configuration of connections.

Special features:

  • New design housing for maximum gas flow
  • Optimized valve plate system
  • High efficiency motors of newest generation
  • Exchangeable motor
  • Proven and reliable oil pump lubrication
  • Standard footprints
  • Standard connections

Capacity data for Low GWP refrigerants R513A as well as R450A are available within our selection software VAP.

  • HG Compressors
  • HG LG Compressors
  • HA Compressors

GEA Bock HG Compressors

The HG model series consists of state-of-the-art classical suction gas-cooled compressor technology. Assurance of effective lubrication by an oil pump, application of exchangeable electrical motors, as well as manufacture of very solid and rugged compressors is ensured.

More information about the HG single-stage compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link:VAP compressor selection HG single-stage compressors

GEA Bock LG Compressors

The series comes in seven model sizes with 25 capacity stages: With the new LG range (LG = Low GWP), which has been specially designed for use with low-GWP HFO refrigerants, the refrigeration and air-conditioning specialist GEA Bock will in future offer a semi-hermetic compressor portfolio with suitable compressor technology for all synthetic refrigerants. This includes both the common HFC fluids and the new HFO low-GWP fluids with a GWP value of less than 150.

HGX LG (suction gas-cooled)

HG LG (Low GWP) single-stage compressors

The HG – LG model series consists of state-of-the-art classical suction gas-cooled compressor technology.

Special features:

  • Suitable for HFO (safety class A2L) as well as chlorine-free HFC refrigerants (A1)
  • Optimized drive for demanding use with HFO refrigerants
  • Seal materials suitable for operation with HFO and HFC refrigerants
  • Electronic motor protection included for installation in an external switch cabinet
  • When being used in evaporation temperatures greater than +15°C, the ester oil C85E must be used
  • Outstanding running comfort
  • Efficiency and reliability on the highest level of quality
  • Service-friendly, e.g. replaceable drive motors
  • Oil pump lubrication

HG…e

Those compressors are efficiency optimised models.
By technical optimisations the motor-efficiency, gas flow and efficiency of the valve system are improved.

More information about the HG single-stage compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG single-stage compressors

new semi-hermetic bock LG range

GEA Bock HA Compressors

The HA-system – the best solution for deep-freezing!

Types Displacement at 50 Hz (1450 rpm) m³/h Former types
HA22e 11.1 13.7 16.5 HA22P (up to DK 056)
HA34e 18.8 22.1 27.3 33.1 HA34P (up to DK 056) HA4
HA44e 41.3 49.2 57.7 HA4

More information about the HA single-stage compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HA single-stage compressors

  • HG ATEX Compressor
  • HG HC Compressors

GEA Bock HG ATEX Compressors

GEA Bock is the first European manufacturer to offer semi-hermetic compressors certified according to ATEX machine category 2 (zone 1+2). In 2014, GEA also included compressors certified according to ATEX machine category 3 (zone 2) in its program. Within the European Union, electrical and mechanical machinery operated in explosive atmospheres must comply with the so-called ATEX (ATmospheres EXplosibles) conditions. All ATEX compressors are also approved for operation with the current hydrocarbons. The models in the HG Series are the basic compressors for ATEX versions.

The models in the HG Series are the basic compressors for ATEX versions.

HG ATEX 2G (Zone 1+2)

HG ATEX 3G (Zone 2)

Types Displacement at 50 Hz (1450 rpm) m³/h Former types
EX-HG88e 209.1 237.9 281.3 EX-HG8

HG HC ATEX 2G (Zone 1+2)

HG HC ATEX 3G (Zone 2)

Types Displacement at 50 Hz (1450 rpm) m³/h Former types
EX-HG88e 209.1 237.9 281.3 EX-HG8

More information about the HG ATEX compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG ATEX compressors

GEA Bock HG HC Compressors

  • For various applications, such as the field of supermarket refrigeration, hydrocarbons have established themselves as another natural alternative besides CO2.
  • Due to the flammability of hydrocarbons the compressor has some safety related modifications.

HG HC Standard

HG HC ATEX 2G (Zone 1+2)

HG HC ATEX 3G (Zone 2)

Types Displacement at 50 Hz (1450 rpm) m³/h Former types
EX-HG88e 209.1 237.9 281.3 EX-HG8

More information about the HG HC compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG HC compressors

  • HG Aluminium Compressors
  • HG 2-pole Compressors
  • HGZ Two-stage Compressors

GEA Bock HG Aluminium Compressors

Based on our compressors of the Pluscom series with their outstanding advantages and features, light construction models made completely of aluminium are available for mobile use.

HG Alu
Current types Displacement at 50 Hz (1450 rpm) m³/h
HG22e 11.1 13.7 16.5
HG34e 18.8 22.1 27.3 33.1

More information about the HG Alu compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG Alu compressors

GEA Bock HG 2-pole Compressors

Based on our compressors of the Pluscom series with their outstanding advantages and features, more powerful models with 2-pole drive motor are available for mobile use.

HG 2-pole
Current types Displacement at 50 Hz (2900 1/min) m³/h
HGX34e 44.3 54.7 66.1
HGX34P 44.3 54.7 66.1

More information about the HG 2-pole compressors (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG 2-pole compressors

GEA Bock HGZ Two-stage Compressors

Based on the 6-cylinder compressor HG7, a selection of two-stage variants are available for extended use in intense cooling.

  • The selection of the liquid intercooler unit is available for three different refrigerants: R404A (R507), R410A, R22.
  • Basically it concerns different expansion valve assemblies. Therefore in the further descriptions only one option (e.g. HGZ7/2110-4 R22) is indicated
SHGZ Compressors, Two-Stage
Current types Displacement at 50 Hz (1450 rpm) m³/h
SHGZ7 46.9 53.8 61.2
SHGZX7 46.9 53.8 61.2

More information about the SHGZ two-stage condensing units (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection SHGZ two-stage condensing units

  • HG Subcritical CO2
  • HG Transcritical CO2

GEA Bock HG Subcritical CO2 Compressors

Based on our current semi-hermetic product range, with its outstanding advantages and features, as well as the derived and long-used basic range, there is now a perfectly matched compressor series available for use with CO2 in sub-critical cascade systems.

They are particularly suited to supermarket applications and industrial cooling systems.

More information about the HG CO2 compressors subcritical (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG CO2 compressors subcritical

GEA Bock HG Transcritical CO2 Compressors

Transcritical CO2 applications are still in the development phase.

They require a completely new kind of system and control.

They are not a general solution for the substitution of F-gases.

Notes in the assembly manual regarding the handling of CO2-compressors must be followed.

Therefore, we would specifically draw your attention to the fact that this information is presented according to our current level of knowledge and may change at any time due to further development. Legal claims regarding the accuracy of the information cannot be made at any time and are thus expressly excluded.

More information about the HG CO2 compressors transcritical (e.g. technical/performance data, drawings, spare part lists, operating limits) can be found in the compressor selection tool VAP via the following link: VAP compressor selection HG CO2 compressors transcritical

Video about the HG34 & HG46 CO2 T compressor

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