90.93 Standard confirmed Jul 26, 2022
ISO
ISO/TC 70/SC 7 Tests for lubricating oil filters
International Standard
27.020 Internal combustion engines
Published
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.
WITHDRAWN
ISO 4548-9:1995
PUBLISHED
ISO 4548-9:2008
90.93
Standard confirmed
Jul 26, 2022
IN_DEVELOPMENT
ISO/PWI 4548-9