ATLAS TRACKER PIXEL AND SCT - COOLING OF THE ELECTRONICS
Phase II - Extentive Tests with Haug Compressor 4 cylinders
Technical Data Sheet
Type QTOGX 125 LM
for oilless compression of dry and filtered Octafluoropropane (C3F8)
4 cylinders, one-stage, air cooled, gastight
Compressor
| Number of stages | 1 stage | |
| Stage | 1st stage | |
| Number of cylinders | 4 cylinders | |
| Cylinder diameter | 125mm | |
| Piston stroke | 50mm | |
| Synchronous nominal rotational speed (with frequency converter supplied by CERN) | 1450rpm | |
| Medium | Octafluoropropane, dry and filtered | |
| Suction temperature [°C]
Suction pressure P1 [bar.a] Discharge pressure P2 [bar.a] Power absorbed [kW] Free gas delivery at 1013 mbar, 20°C [m3/h] |
20
1.0 10.0 12.5 80 |
|
| Leakage rate | gastight, less than 0.001 mbar.l/s | |
| Noise level | approx. 82 dB(A) acc. to CAGI-Pneurop | |
| Cooling | air-cooled | |
| Discharge temperature | approx. 20°C above ambient temp. | |
| Limits of compressor | min. | max. |
| Casing pressure max. [bar.a]
Suction pressure P1 [bar.a] Discharge pressure P2 max [bar.a] Suction temperature range [°C] Ambient temperature range [°C] |
1.0
20 3 |
11
1.0 10 35 35 |
| Power supply | ||
| Voltage | 400V±10% | |
| Frequency | 50 Hz | |
| Phases | 3P+E | |
| Motor | ||
| Power | 15.0 kW | |
| Protection | IP54 | |
| Insulation class | F | |
| Rated speed | 1450rpm | |
| Start | Frequency-converter (supplied by CERN) | |
| Solenoid valves | ||
| Control voltage | 24 VAC | |
| Filtration required at compressor inlet | ||
| Filtration rate based on 0.01 micron particles | 99.9999% | |
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CERN/P.BONNEAU/02/07/2001