# VPZ 20/9 UKhLCh compressor — Isker JSC

**IE A076**  
Isker JSC · Kazakhstan · 2002

Friction in the units decreased, the compressor became cooler and quieter, oil consumption dropped. VPZ 20/9 UKhLCh compressor, Isker JSC. Kazakhstan · 2002.

## Measured

- K-19 oil consumption per shift, 250 → 200 g — **20 %**
- motor rotor coast-down, 3.5 → 4.5 s — **28.6 %**
- stage and crankcase temperature, 45-85 → 40-78 °C — **5-7 °C**
- ultrasonic noise at the crankcase, 20 → 10 dB — **10 dB**

## Conclusion

Friction in the units decreased, the compressor became cooler and quieter, oil consumption dropped

Page: https://industry.xado.com/case/akt_oao_isker_kazakhstan_kompressor_vp3_20_9_ukhlch_g
PDF report: https://industry.xado.com/pdf/TIER%20A/Isker/compressors-VPZ-20-9-UKhLCh/IE-A076_XADO_Isker_compressors-VPZ-20-9-UKhLCh_EN.pdf
Original scan: https://industry.xado.com/scans/akt_oao_isker_kazakhstan_kompressor_vp3_20_9_ukhlch_g.pdf