GEA Grasso 12 series
A range of outstandingly reliable, open type, reciprocating refrigeration compressors. All designed to work efficiently in almost any type of industrial refrigeration installation for cooling or freezing applications.
The GEA Grasso 12 compressors have already proven themselves all over the world for many years in terms of reliability under the most demanding circumstances and with an alert eye to economics. GEA has paid special attention to such aspects as maintenance costs and servicebility. The GEA Grasso 12 series offers you maximum reliability for modest investment and maintenance costs. The GEA Grasso 12 series is a typical example of Grasso’s unique welded steel compressor design. A design contributing to a large field of operation and lower installation cost, without the need for additional water cooling circuits.
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Features of GEA Grasso 12 series
- Steel welded compressor housing
- No water cooling required
- Extensive range of single & two stage models
- Capacity control steps per cylinder
- Suitable for speed control (500 - 1000 min.-1)
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GEA Grasso 12 series |
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Models |
Swept Volume* |
Cooling cap. (kW)** |
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(m³/h) |
NH3 |
R22 |
R134a |
R404a |
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Single stage |
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0/+40 °C |
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-15/+40 °C |
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GEA Grasso 412 |
531 |
450 |
392 |
240 |
190 |
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GEA Grasso 612 |
796 |
675 |
588 |
360 |
286 |
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GEA Grasso 912 |
1194 |
1012 |
882 |
540 |
429 |
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GEA Grasso 1212 |
1592 |
1350 |
1176 |
720 |
572 |
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GEA Grasso 12 series |
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Models |
Swept Volume* |
Cooling cap. (kW)** |
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(m³/h) |
NH3 |
R22 |
R134a |
R404a |
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Two stage*** |
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-35/+35 °C |
-40/35 °C |
n.a. |
-40/+35 °C |
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GEA Grasso 3112 |
398 |
86 |
71 |
- |
- |
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GEA Grasso 4212 |
531 |
125 |
104 |
- |
101 |
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GEA Grasso 5112 |
664 |
124 |
101 |
- |
- |
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GEA Grasso 6312 |
796 |
188 |
158 |
- |
154 |
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GEA Grasso 7212 |
929 |
194 |
157 |
- |
- |
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GEA Grasso 8412 |
1062 |
251 |
208 |
- |
203 |
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GEA Grasso 9312 |
1194 |
259 |
213 |
- |
- |
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GEA Grasso 10212 |
1327 |
249 |
202 |
- |
- |
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* Theoretical swept volume based on max. speed of N = 1000 min.-1 ** Cooling capacity based on: 5K subcooling, 5K superheat, (R404a" 15K superheat) *** NH3 refr.: data based on openflash gas cooling and liquid expansion (GEA Grasso System 'C') Synt. refr.: data based on gas cooling and liquid subcooling in heat exchanger (GEA Grasso System 'B') |
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