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ISO 28520

Ships and marine technology - Lubricating oil systems - Guidance for grades of cleanliness and flushing

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Organization: ISO
Publication Date: 15 February 2009
Status: active
Page Count: 18
ICS Code (Other standards related to shipbuilding and marine structures): 47.020.99
scope:

This International Standard provides guidance for flushing of lubricating oil systems, and grading of the resultant cleanliness. The flushing process is twofold:

- to remove dirt from the erection and installation, and

- to demonstrate that the pipes and the system as a whole is sufficiently clean.

Crankcase and, where applicable, gearbox etc. are cleaned separately before flushing, and requirements relating to this are also specified in this International Standard. Similar considerations apply to the system tank and other components of the system.

For this International Standard, the cleaning process is considered as "washing through" when the Reynolds number, Re, is < 3 000, and "flushing" when the Re > 3 000.

NOTE If available, any original equipment manufacturer requirements for flushing take precedence over the requirements outlined in this International Standard.

Document History

ISO 28520
February 15, 2009
Ships and marine technology - Lubricating oil systems - Guidance for grades of cleanliness and flushing
This International Standard provides guidance for flushing of lubricating oil systems, and grading of the resultant cleanliness. The flushing process is twofold: — to remove dirt from the erection...

References

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