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GEA Grasso Screw Compressors

Southern Sales & Services offer GEA Grasso screw compressors for industrial refrigeration and air conditioning applications. Whether it’s in the food industry, chemical industry, in offices or in shipping, they all need refrigeration. GEA Technologies has the optimal cooling and air conditioning solutions for your individual requirements. We place particular value on energy efficiency, reliability, cost effectiveness and sustainability.

GEA Grasso screw compressors are well-suited for numerous cooling and air conditioning technology applications. The GEA Grasso SH series, GEA Grasso M series and GEA Grasso LT series are designed in work with a maximum design pressure of up to 28 bar in standard situation. All compressors are also available in high-pressure models of up to 52 bar (some models can be increased to 63 bar upon request).

They are particularly well-suited for extremely low temperatures, CO2 hot gas defrosting in cascade systems and for heat pump operations. The GEA Grasso AC series was also developed with a maximum design pressure of 130 bar, meaning it can be used in transcritical CO2 heat pumps.

  • GEA CompaX
  • GEA Grasso M Series
  • GEA Grasso LT Series

GEA CompaX

GEA CompaX is the world’s first semi-hermetic compact ammonia screw compressor.

Simplified for air conditioning with NH₃

The smart three-in-one design with integrated oil separator and electric motor is particularly suited for use in modern centralized air conditioning systems, e.g. for office buildings, shopping malls, or airports.

The GEA CompaX operates without a shaft seal and reduces leakage risk to a minimum. In addition, product benefits based on more than 50 years of screw compressor development open new possibilities for sophisticated central air conditioning and refrigeration systems with ammonia as one of the most efficient refrigerants.

GEA CompaX
Model Swept volume flow

at 50 Hz / 87 Hz

(m³/h)

 Max. cooling

capacity at 87 Hz

(kW)

 Dimensions

(mm)

 Suction

side

(mm)

 Discharge

side

(mm)

 Weight

(kg)
L W H
GEA CompaX 700 708 / 1,232 1,300 2,011 826 889 DN150 DN125 1,740
GEA CompaX 900 870 / 1,514 1,600 2,062 826 889 DN150 DN150 1,835

Highlights & Features

  • Using the natural refrigerant ammonia in compliance with 2015 F-gas regulation
  • Best efficiency thanks to a wide speed and Vi range as well as the characteristics of ammonia
  • No external piping
  • Space-saving and easy to package
  • Reduced number of connections
  • No shaft seal

GEA RT Select – The GEA selection and configuration program will help you to find the right equipment for your refrigeration and heating plant.

GEA Grasso – M Series Screw Compressors

The GEA Grasso M series is the medium screw compressor series covering a swept volume from 471 to 860 m3/h. It is equipped with a suction side non-return valve, suction filter, hydraulic system with solenoid valve assemblies for Vi and capacity adjustment. The stepless capacity and Vi control enables high efficiency in full and part load.

Compressor type Swept volume
(m³/h)		 Cooling capacity (kW)

28 bar compressor¹)

 Cooling/heating
capacity (kW)
52 bar compressor¹)
2940 rpm 4500 rpm R717,
-35/+35 °C
²)		 R717,
0/+35 °C		 R744,
-50/-5 °C		 R717,
+35/+80 °C
C 231 354 n/a n/a n/a n/a
D 265 406 n/a n/a n/a n/a
E 321 491 n/a n/a n/a n/a
G 372 569 n/a n/a n/a n/a
H 471 721 115 444 486 1.258
L 544 833 133 513 562 1.457
M 708 1.084 174 673 743 2.202
N 870 1.332 215 828 914 2.474

Technical features of GEA Grasso M series screw compressors:

  • Swept volume 471 to 860 m3/h
  • GEA specified rotor profile for industry leading COP
  • Compact design
  • High integration of package components
  • Rotors fully bedded on roller bearings
  • Step less capacity and Vi control
  • Designed for NH3 and all other common refrigerants

Learn more with GEA RTSelect – our product selection and configuration tool.

GEA Grasso – LT Series Screw Compressors

The GEA Grasso LT series compressors are distinguished by a robust design. All components are engineered for long operating life, high availability and easy maintenance. The low noise and vibration level is attributed to the combined sleeve and roller bearing of the rotors. Furthermore, the compressors are available according to the API 619 and ISO 10440 standard, respectively.

Compressor type Swept volume
(m³/h)		 Cooling capacity¹) (kW)
28 bar compressor		 Cooling/heating
capacity¹) (kW)
52 bar compressor
2940 rpm 3550 rpm R717,
-35/+35 °C
²)		 R717,
0/+35 °C		 R744,
-50/-5 °C		 R717,
+35/+80 °C
P 805 972 201 772 851 2.679
R 1.040 1.256 260 997 1.099 3.433
S 1.290 1.558 328 1.261 1.418 4.318
T 1.460 1.763 368 1.413 1.599 4.814
V 1.740 2.101 443 1.690 1.868 5.780
W 1.990 2.403 506 1.932 2.135 6.631
Y 2.390 2.886 614 2.344 2.591 7.990
Z 2.748 3.318 714 2.713 3.040 9.188
XA 3.250 3.924 844 3.209 3.595 10.853
XB 4.150 5.011 1.070 4.070 4.499 –
XC 4.900 5.917 1.260 4.807 5.366 –
XD 5.800 7.003 1.491 5.689 6.351 –
XE 7.110 8.585 1.842 7030 – –
XF 8.560 10.336 2.200 8.393 – –
XG                         9.807 11.842 2.520 9.615 – –
XH 11.467 13.846 2.946 11.244 – –

Technical features of GEA Grasso LT series screw compressors:

  • Swept volume 805 to 8560 m3/h
  • GEA specified rotor profile for industry leading COP
  • Excellent noise and vibration characteristics in all operating conditions
  • Extremely long product life
  • Rotors with antifriction and sleeve bearings for maximum loads
  • Stepless capacity and Vi control by tandem slide system
  • Field replaceable axial bearings
  • Designed for NH3 and all other common refrigerants
  • Available according to API 619 and ISO 10440 standard

Learn more with GEA RTSelect – our product selection and configuration tool.

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