The drive turbine T-30-90-1 NZL of the turbocharger K-7000-41-1 st. No. 6 was put into commercial operation after an emergency repair.

• replacement of nozzle and guide vanes produced by QTMP LLP,
• replacement of impellers 14, 15 stages of the rotor, coupling half, safety device with removal from the reserve rotor;
• refilling of support bearing shells No. 1, 2;
• oil seal repair;
• production of gear gaskets.

Customer JSC ArcelorMittal Temirtau.
The turbocharger was launched on June 15, 2023.