ISO 4548-9:2008
Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 9: Inlet and outlet anti-drain valve tests

Standard No.

ISO 4548-9:2008

Release Date

2008

Published By

International Organization for Standardization (ISO)

Latest

ISO 4548-9:2008

Scope

This part of ISO 4548 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.

ISO 4548-9:2008 Referenced Document

• ISO 4548-1 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 1: Differential pressure/flow characteristics

ISO 4548-9:2008 history

• 2008 ISO 4548-9:2008 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 9: Inlet and outlet anti-drain valve tests
• 1995 ISO 4548-9:1995 Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 9: Inlet and outlet anti-drain valve tests