Information about semi-hermetic compressors for the refrigerant R134A. The compressors are particularly suited for normal refrigeration in supermarket applications as well as in cascade systems in conjunction with CO2. R134a as a refrigerant contributes to a very high efficiency of the system.

1. Bock HG Compressors – R134A
Semi-hermetic Compressors for the Refrigerant
R143A
GEA Refrigeration Technologies

2. Single-stage Compressors R134a
• GEA Bock offers a compressor variant
optimised especially for use with the
refrigerant R134A
• The compressors are particularly
suited for normal refrigeration in
supermarket applications as well as in
cascade systems in conjunction with
CO2
Bock HG Compressors – R134A GEA Refrigeration Technologies

3. Special features
The energy consumption of
Bock compressors is
continually improved by
technical optimisations
Compressors optimised for
The compressors can be
the specific characteristics of
adapted ideally to the
R134a achieve a higher
individual demands because
efficency and increase the
of the special design of the
annual capacity of the
different components
refrigeration plant
Bock HG Compressors – R134A GEA Refrigeration Technologies

4. Special features
R134a as a refrigerant contributes to a very high efficiency of the system
 Especially in the area of normal refrigeration for supermarket applications
The refrigerant
R134a
Suitable refrigeration oils are ester oils, such as Fuchs Reniso SE55
Bock HG Compressors – R134A GEA Refrigeration Technologies

5. The current program …
… 4 model sizes with 12 capacity stages from 40,5 to 183,6 m³/h (50 Hz)
D
I
S
P
L
A
C
E
M
E
N
T
HG4 HG5 HG6 HG7
Bock HG Compressors – R134A GEA Refrigeration Technologies

6. Type key – Compressor for R134a
Bock HG Compressors – R134A GEA Refrigeration Technologies