zdas04: The compressor is oil free "dry"
Could you explain why the timing gear should damage before the drive shaft, could you please provide supporting documents.
rotw, Thanks, it looks like that you have investigated the drawing very well.
What i am going to add is that we have a manual valve down stream the moisture separator which is not shown in the drawing and it is used to isolate the compressor for maintenance.
We have four compressors in parallel...
Georgeverghese, Pressure relief is installed correctly upstream compressor Discharge valve, "attached drawing"
As mentioned earlier, the compressor started for only 16 seconds and its motor is star/delta starting.
the problem is why the protection didn't operate before stage damage...
what will happen if a rotary screw compressor discharge air flow restricted,
we have a rotary screw compressor 10 bar 20 nm3/min, when the compressor started it tripped by inter-stage pressure high. the trip was 16 seconds from start-up
when the compressor checked after trip,the 2nd stage found...
