"Firstly, how old is this pump?" - 12 years old
"Is it brand new or has it been in service for several years?" - in service 12 years
" when was this 'problem' first noticed - has it always been like this or did it develop immediately after some maintenance had been carried out?" - after...
We have pump running at 5900 rpm. Bearing with tilt pads.
The DE and NDE bearing housing horizontal vibration are very high. NDE -6 mm/sec RMS and DE- 16 mm/sec. Regarding vertical vibration DE- 2 mm/sec, NDE- 2 mm/sec. The axial is NDE – 2,3mm/sec. The spectrum of both the DE Horizontal and...