This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
ISO 4548-9:2007 specifies methods of measuring the effectiveness of either inlet or outlet anti-drain valves if fitted to a full-flow lubricating oil filter of the "spin-on" or "easy change" type, for internal combustion engines.
Status: PublishedPublication date: 2008-02
Edition: 2Number of pages: 10
Technical Committee: ISO/TC 70/SC 7 Tests for lubricating oil filters
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