Hi friends ,
Back ground of the machine :
Integrally geared centrifugal air compressor of 03 stage with two inter coolers of capacity 12000 NM3/Hr at 10.6 Kg/cm2G pressure.
Commissioned on : 2012, Since commissioning it was running all of the sudden on Nov 2016 it was got tripped on high 3rd stage vibration and It was opened for impeller inspection purpose. It was found that 096 no's vanes have been broken.