Compressor Data - Atlas Copco GA 75+ Instruction Book

On water-cooled units also:
Maximum cooling water outlet temperature
Maximum cooling water outlet temperature
Maximum cooling water inlet pressure
Maximum cooling water inlet pressure

11.6 Compressor data

Reference conditions
GA 55
Frequency
Maximum (unloading)
pressure, Workplace
units
Maximum (unloading)
pressure, Workplace
units
Maximum (unloading)
pressure, Workplace Full-
Feature units
Maximum (unloading)
pressure, Workplace Full-
Feature units
Reference working
pressure
Reference working
pressure
Pressure drop over dryer,
Workplace Full-Feature
units
Pressure drop over dryer,
Workplace Full-Feature
units
Set point of thermostatic
valve
Set point of thermostatic
valve
Motor shaft speed
Nominal motor power
194
All data specified below apply under reference conditions, see section
conditions and limitations.
7.5 bar 8.5 bar 10 bar
Hz 50
bar(e) 7.5
psig 109
bar(e) 7.3
psig 106
bar(e) 7
psig 102
bar(e) 0.25
psig 3.63
˚C 40
˚F 104
r/min 2978
kW 55
˚C
˚F
bar(e)
psig
13 bar
50 50 50
8.5 10 13
123 145 189
8.3 9.8 12.8
120 142 186
8 9.5 12.5
116 138 181
0.25 0.25 0.25
3.63 3.63 3.63
40 40 60
104 104 140
2978 2978 2978
55 55 55
Instruction book
50
122
5
72.5
Reference
100 psi 125 psi 150 psi 175 psi
60 60 60
7.4 9.1 10.8
107 132 157
7.2 8.9 10.6
104 129 154
6.9 8.6 10.3
100 125 150
0.25 0.25 0.25
3.63 3.63 3.63
40 40 40
104 104 104
3570 3570 3570
55 55 55
2920 7109 60
60
12.5
181
12.3
178
12
175
0.25
3.63
60
140
3570
55