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ISO 28520:2009

Current

Current

The latest, up-to-date edition.

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

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

09-02-2009

€92.00
Excluding VAT

ISO 28520:2009 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 ISO 28520:2009. Similar considerations apply to the system tank and other components of the system.

For the purposes of ISO 28520:2009, the cleaning process is considered as “washing through” when the Reynolds is equal to or less than 3 000 and “flushing” when the Reynolds number is equal to or greater than 3 000.

Where available, any original equipment manufacturer requirements for flushing take precedence over the requirements outlined in ISO 28520:2009.

DevelopmentNote
Supersedes ISO/DIS 28520. (02/2009)
DocumentType
Standard
Pages
13
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
SAC GB/T 30506 : 2014 Identical

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ISO/PAS 13613:2010 Ships and marine technology Maintenance and testing to reduce losses in critical systems for propulsion
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ISO 8501-1:2007 Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings

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