Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 12: Filtration efficiency using particle counting and contaminant retention capacity

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Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

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English, French

Published date

03-05-2017

Publisher

International Organization for Standardization

ISO 4548-12:2017 specifies a multi-pass filtration test with continuous contaminant injection and using the online particle counting method for evaluating the performance of full-flow lubricating oil filters for internal combustion engines. The scope of this document is limited to steady state conditions and does not address fluctuations in the flow rate.

The test procedure determines the contaminant capacity of a filter, its particulate removal characteristics and differential pressure.

This test is intended for application to filter elements with an efficiency of less than 99 % at particle size greater than 10 μm.

NOTE Several test flow loops built into one test rig, or several test rigs, would be necessary to cover the complete flow range of 2 l/min to 600 l/min.

DevelopmentNote	Supersedes ISO/DIS 4548-12. (05/2017)
DocumentType	Standard
Pages	32
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO 4548-12:2000

Standards	Relationship
BS ISO 4548-12:2017	Identical
NEN ISO 4548-12 : 2017	Identical
NF ISO 4548-12 : 2017	Identical

SAE J 2709 : 2012	COOLANT FILTER TEST PROCEDURE
SAE USCAR 36 : 2013	DIMENSIONAL AND PERFORMANCE SPECIFICATION FOR AFTER-MARKET GASOLINE ENGINE OIL FILTERS

ISO 3968:2017	Hydraulic fluid power — Filters — Evaluation of differential pressure versus flow
ISO 11943:1999	Hydraulic fluid power On-line automatic particle-counting systems for liquids Methods of calibration and validation
ISO 11841-2:2000	Road vehicles and internal combustion engines — Filter vocabulary — Part 2: Definitions of characteristics of filters and their components
ISO 11171:2016	Hydraulic fluid power Calibration of automatic particle counters for liquids
ISO 2942:2004	Hydraulic fluid power Filter elements Verification of fabrication integrity and determination of the first bubble point
ISO 1219-1:2012	Fluid power systems and components — Graphical symbols and circuit diagrams — Part 1: Graphical symbols for conventional use and data-processing applications
ISO 16889:2008	Hydraulic fluid power Filters Multi-pass method for evaluating filtration performance of a filter element
ISO 12103-1:2016	Road vehicles — Test contaminants for filter evaluation — Part 1: Arizona test dust
ISO 11841-1:2000	Road vehicles and internal combustion engines — Filter vocabulary — Part 1: Definitions of filters and filter components
ISO 4021:1992	Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system
ISO 4405:1991	Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the gravimetric method

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ISO 4548-12:2017

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