G 120 II V
Page 4 1st Edition, Rev. 0 Chg. 2
1.4 Unit Specifications
All specifications are subject to change without prior notice.
G 120 II V 7.5 Hp
Medium Nitrogen, Helium and Argon
Capacity 6.8 scfm (193 l/min)
Inlet pressure 0 - 3 psig (0 - 0.21 bar)
Operating pressure, max. 5,000 psig (350 bar)
Ambient temperature range 40 - 115 °F (5 - 45 °C)
Compressor Block
IK120 II C Mod. 5
No. of stages 3
No. of cylinders 3
Cylinder bore, 1st stage 3.46 in. (88 mm)
Cylinder bore, 2nd stage 1.42 in. (36 mm)
Cylinder bore, 3rd stage 0.55 in. (14 mm)
Piston Stroke 1.57 in.(40 mm)
Intermediate pressure, 1st stage 85 - 100 psig (6 - 7 bar)
Safety valve setting, 1st stage 130 psig (9 bar)
Intermediate pressure, 2nd stage 580 - 710 psig (40 - 49 bar)
Safety valve setting, 2nd stage 870 psig (60 bar)
Direction of rotation when facing flywheel CCW
Compressor speed 1,200 RPM
Oil capacity 3 qts. (2.8 liter)
Oil Pressure 60 - 85 psig (4 - 6 bar)
Recommended oil BAUER OIL-0024
Maximum Inclination 15° in all directions
1.4.0.1 Compressor Drive
1.4.0.2 Purification System Applicability
The G 120 II V is standardly equipped with the Bauer P1 or Oil Removal Filtration System.
1.4.0.3 Pressure Switch Settings
1.4.0.3.1 Inlet Pressure Switch Settings
Low Inlet Pressure 0.0 psig
High Inlet Pressure 1.5 psig
1.4.0.3.2 Final Pressure Switch Setting
Final Pressure 2,400 psig
Restart Pressure 1,900 psig
Final Safety Valve 2,800 psig
Model Voltage Freq. Phase Power Type FL Amp Bauer P/N
-E3 208, 230, 460 VAC 60 Hz 7.5 Hp ODP 20, 18, 9 MTR-0033
-E3 380, 400, 415 VAC 50 Hz 7.5 Hp ODP 10.5, 10, 9.5 MTR-0208
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