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ISO 4548-4:1997

Current Revision

Methods of test for full-flow lubricating oil filters for internal combustion engines -- Part 4: Initial particle retention efficiency, life and cumulative efficiency (gravimetric method)

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This part of ISO 4548 specifies tests for determining the performance of full-flow lubricating oil filters for internal combustion engines as follows.

Section 2: Initial particle retention efficiency. This gives the test procedures and parameters for the determination of the initial particle retention efficiency of lubricating oil filter elements under defined test conditions. By reporting the results in accordance with subclause 2.6, the probable retention efficiency for any particle size may be derived. The retention efficiency is determined by the gravimetric method.

Section 3: Life and cumulative efficiency. This gives the test procedures and parameters for the determination of element life and cumulative efficiency of lubricating oil filters. The cumulative efficiency is determined by the gravimetric method.


SDO ISO: International Organization for Standardization
Document Number ISO 4548
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 70/SC 7
Publish Date Document Id Type View
Not Available ISO 4548-4:1997 Revision