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naSRPS ISO 4548-9:2026

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

General information

40.60     Aug 27, 2026

ISS

M070

International Standard

27.020  

English  

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
SRPS ISO 4548-9:2017

NOW

PROJECT
naSRPS ISO 4548-9:2026
40.60 Close of voting
Aug 27, 2026

Related project

Adopted from ISO/DIS 4548-9 IDENTICAL