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ISO/DIS 4548-9

Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 9: Inlet and outlet anti-drain valve tests ISO/DIS 4548-9

General information

40.60   Close of voting   Aug 27, 2026

ISO

ISO/TC 70 Internal combustion engines

International Standard

27.020   Internal combustion engines

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4548-9:2008

NOW

IN_DEVELOPMENT
ISO/DIS 4548-9
40.60 Close of voting
Aug 27, 2026




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