Inspection and Test Plan for Centrifugal Compressor - Sample
This page provides a sample inspection and test plan for centrifugal compressor which is used in the centrifugal compressor source inspection. Click on the following link:
You may also review centrifugal compressor testing and centrifugal compressor inspection procedure/instruction articles.
The API 617/672 standard requirements normally are applied for inspection and test plan in manufacturing shop.
Some others must only monitored and fully witnessing is not necessary, for these thing, the inspection man-days etc. depends to the purchaser decision, some prefer stringent monitoring and even assign resident inspector in manufacturing shop and some others relay to quality control system of the manufacture and assign only few days for monitoring points.
These are some of inspection points which need to be witnessed, monitored and reviewed by third party inspector in centrifugal compressor manufacture shop.
Inspection and Test Plan for Centrifugal Compressor - Important Points
- Centrifugal Compressor
casings to be identified against foundry test certificates and thicknesses
checked to conform to approved drawings.
- Witnessing hydrostatic test on centrifugal compressor casing
- For centrifugal
compressor impellers, welding procedure and welder`s qualifications to be
established and impellers to be inspected before assembly by Vendor and
certificates need to be submitted with data-dossier in final
documentation.
- Ensuring that centrifugal
compressor overspeed tests on impellers/rotors have been carried out as
well as dynamic balancing of impellers/rotors. Witness the dynamic
balancing of the complete rotating assembly.
- Witnessing leak test on
lube oil tank and carry out internal and external inspection.
- Inspection of prefabricated
lube oil piping.
- Witnessing centrifugal
compressor mechanical running tests, check all safety and alarm devise
when contact instrumentation is fitted.
- Fit-it Tests of spare
rotors and mechanical running test.
- Strip inspection of
centrifugal compressor on completion of running tests. To include
examination of all running surface, checking of critical clearances, and
examination of lube oil filters in the tests as specified.
- Witnessing centrifugal
compressor performance test
- Centrifugal compressor
gearing, pinion forgings and main wheel forgings or castings to be
inspected at forge shop or foundry.
- Any dynamic balancing of centrifugal
compressor gearing rotors to be witnessed by Vendor and certificates need
to be submitted with data-dossier in final documentation.
- Fabricated gear cases to
be inspected at subsupllier`s works.
- Light or full load
running tests, as specified to be witnessed on gearing.
- Inspection and final
dimensional check of gearing to be done on manufactur`s works.
- Inspection and final
dimensional check of compressors mounted on baseplates.
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