# ORU-220 kV compressor, GAZ-31 — Razdanskaya TES CJSC

**IE A087**  
Razdanskaya TES CJSC · Armenia · 2001

Cylinder compression rose, bearing vibration dropped, air pressure increased. ORU-220 kV compressor, GAZ-31, Razdanskaya TES CJSC. Armenia · 2001.

## Measured

- compression in the GAZ-31 cylinders, 2.9-3.0 → 7.3-7.5 atm — **2.5×**
- air pressure at the compressor gauges, 2.7-7.5 → 3.0-9.8 atm — **11-31 %**
- vibration of compressor bearings No. 3 and No. 4, 50-240 → 40-200 mkr — **17-31 %**

## Conclusion

Cylinder compression rose, bearing vibration dropped, air pressure increased

Page: https://industry.xado.com/case/akt_zao_razdanskaia_tes_g
PDF report: https://industry.xado.com/pdf/TIER%20A/RazdanTES/compressors-ORU-220-kV-GAZ-31/IE-A087_XADO_RazdanTES_compressors-ORU-220-kV-GAZ-31_EN.pdf
Original scan: https://industry.xado.com/scans/akt_zao_razdanskaia_tes_g.pdf