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ISO 3968:2017

Current

Current

The latest, up-to-date edition.

Hydraulic fluid power — Filters — Evaluation of differential pressure versus flow

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

07-24-2017

ISO 3668:2017 specifies a procedure for evaluating differential pressure versus flow characteristics of hydraulic filters and constitutes a basis for agreement between the filter manufacturer and user.

It also specifies a method for measurement of the differential pressure generated at different flow rates and viscosities by the relevant parts of a filter assembly, spin-on and any valves contained within the filter which are in the flow stream. The typical types of filter to be tested are as follows:

Type 1: which are spin-on filters in which the replaceable unit does not include a filter head (it might or might not include the element by-pass valve);

Type 2: which are spin-on filters in which the replaceable element is tested together with a filter head (it might or might not include the element by-pass valve);

Type 3: which are filter assembly, usually of the replacement element type, that is the housing (head and bowl) and element.

DevelopmentNote
Supersedes NFPA T3.10.14 (09/2004) Supersedes ISO/FDIS 3968. (07/2017)
DocumentType
Standard
Pages
17
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
IS 9269 : 2023 Identical
UNI ISO 3968:2017 Identical
BS ISO 3968:2017 Identical
UNI ISO 3968 : 2005 Identical
NEN ISO 3968 : 2017 Identical
NF ISO 3968 : 2017 Identical
GOST R ISO 3968 : 2011 Identical
NBN E 48 108 : 1988 Identical
NFE 48 677 : 1986 Similar to
BS 6277:1982 Identical
NBN E 48 012 : 1987 Identical

BS 7403-12:2000 Full-flow lubricating oil filters for internal combustion engines Filtration efficiency using particle counting, and contaminant retention capacity
MIL-DTL-8815-31 Base Document:2009 FILTER ELEMENTS, NON-CLEANABLE, FLUID PRESSURE, HYDRAULIC LINE, 3,000 PSI, 5 MICRON ABSOLUTE, -65 DEGREES F TO 275 DEGREES F
BS ISO 16908:2014 Hydraulic filter element test methods. Thermal conditioning and cold start-up simulation
13/30258990 DC : 0 BS ISO 16908 - HYDRAULIC FILTER ELEMENT TEST METHODS - THERMAL CONDITIONING AND COLD START-UP SIMULATION
BS ISO 14085-3:2015 Aerospace series. Hydraulic filter elements. Test methods Filtration efficiency and retention capacity
BS 7403-1:1998 Full-flow lubricating oil filters for internal combustion engines Methods of test for differential pressure/flow characteristics
BS ISO 19438:2003 Diesel fuel and petrol filters for internal combustion engines. Filtration efficiency using particle counting and contaminant retention capacity
SAE J 1985 : 2013 FUEL FILTERS - INITIAL SINGLE-PASS EFFICIENCY TEST METHOD
ISO 16889:2008 Hydraulic fluid power Filters Multi-pass method for evaluating filtration performance of a filter element
ISO/TR 13353:1994 Diesel fuel and petrol filters for internal combustion engines Initial efficiency by particule counting retention capacity and gravimetric efficiency
BS ISO 27407:2010 Hydraulic fluid power. Marking of performance characteristics on hydraulic filters
PD ISO/TR 15640:2011 Hydraulic fluid power contamination control. General principles and guidelines for selection and application of hydraulic filters
ISO/TS 13353:2002 Diesel fuel and petrol filters for internal combustion engines Initial efficiency by particule counting
ISO/TS 16332:2006 Diesel engines Fuel filters Method for evaluating fuel/water separation efficiency
ISO 16908:2014 Hydraulic filter element test methods Thermal conditioning and cold start-up simulation
BS 7403-2:1998 Full-flow lubricating oil filters for internal combustion engines Method of test for element by-pass valve characteristics
MIL-DTL-8815-32 Base Document:2010 FILTER ELEMENTS, NON-CLEANABLE, FLUID PRESSURE, HYDRAULIC LINE, 3000 PSI, 5 MICRON ABSOLUTE, -65 DEGREES F TO 275 DEGREES F, H-60 AIRCRAFT
BS ISO 14085-1:2015 Aerospace series. Hydraulic filter elements. Test methods Test sequence
BS ISO 16889 : 2008 HYDRAULIC FLUID POWER - FILTERS - MULTI-PASS METHOD FOR EVALUATING FILTRATION PERFORMANCE OF A FILTER ELEMENT
08/30170008 DC : DRAFT SEP 2008 BS ISO 27407 - HYDRAULIC FLUID POWER - MARKING OF PERFORMANCE CHARACTERISTICS ON HYDRAULIC FILTERS
15/30271100 DC : 0 BS ISO 16332 - DIESEL ENGINES - FUEL FILTERS - METHOD FOR EVALUATING FUEL/ WATER SEPARATION EFFICIENCY
BS ISO 14085-2:2015 Aerospace series. Hydraulic filter elements. Test methods Conditioning
BS 7403-3:1998 Full-flow lubricating oil filters for internal combustion engines Methods of test for resistance to high differential pressure and to elevated temperature
ISO 16860:2005 Hydraulic fluid power — Filters — Test method for differential pressure devices
ISO 27407:2010 Hydraulic fluid power Marking of performance characteristics on hydraulic filters
ISO 4548-12:2017 Methods of test for full-flow lubricating oil filters for internal combustion engines — Part 12: Filtration efficiency using particle counting and contaminant retention capacity
ISO/TS 23556:2007 Performance test method for diesel engine soot-removal devices in lubricating oils Initial filtration efficiency
BS ISO 11170:2013 Hydraulic fluid power. Sequence of tests for verifying performance characteristics of filter elements
ISO 11170:2013 Hydraulic fluid power — Sequence of tests for verifying performance characteristics of filter elements
13/30271035 DC : 0 BS ISO 14085-3 - AEROSPACE SERIES - HYDRAULIC FILTER ELEMENTS - TEST METHODS - PART 3: FILTRATION EFFICIENCY AND RETENTION CAPACITY
13/30271032 DC : 0 BS ISO 14085-2 - AEROSPACE SERIES - HYDRAULIC FILTER ELEMENTS - TEST METHODS - PART 2: CONDITIONING
BS ISO 16860:2005 Hydraulic fluid power. Filters. Test method for differential pressure devices
16/30316730 DC : 0 BS ISO 4548-12 - METHODS OF TEST FOR FULL-FLOW LUBRICATING OIL FILTERS FOR INTERNAL COMBUSTION ENGINES - PART 12: FILTRATION EFFICIENCY USING PARTICLE COUNTING, AND CONTAMINANT RETENTION CAPACITY
ISO 19438:2003 Diesel fuel and petrol filters for internal combustion engines — Filtration efficiency using particle counting and contaminant retention capacity
SAE J 2312 : 2013 AUTOMATIC TRANSMISSION INTAKE FILTER TEST PROCEDURE
ISO/TR 15640:2011 Hydraulic fluid power contamination control General principles and guidelines for selection and application of hydraulic filters
ISO 14085-1:2015 Aerospace series Hydraulic filter elements Test methods Part 1: Test sequence
BS ISO 4548-12:2017 Methods of test for full-flow lubricating oil filters for internal combustion engines Filtration efficiency using particle counting and contaminant retention capacity
13/30271029 DC : 0 BS ISO 14085-1 - AEROSPACE SERIES - HYDRAULIC FILTER ELEMENTS - TEST METHODS - PART 1: TEST SEQUENCE
11/30214548 DC : 0 BS ISO 11170 - HYDRAULIC FLUID POWER - SEQUENCE OF TESTS FOR VERIFYING PERFORMANCE CHARACTERISTICS OF FILTER ELEMENTS
98/717481 DC : DRAFT DEC 1998 ISO/CD 16009 - HYDRAULIC FLUID POWER - FILTER - METHOD FOR DETERMINING FILTRATION PERFORMANCE OF AN OFF-LINE ELEMENT
06/30128772 DC : DRAFT OCT 2006 ISO 16889 - HYDRAULIC FLUID POWER FILTERS - MULTI-PASS METHOD FOR FILTRATION PERFORMANCE OF A FILTER ELEMENT
DIN 65385:1991-12 AEROSPACE; HYDRAULIC FLUID POWER; FILTER ELEMENTS; REPORTING OF TEST DATA
DD ISO/TS 23556:2007 Performance test method for diesel engine soot-removal devices in lubricating oils. Initial filtration efficiency
ISO 14085-2:2015 Aerospace series Hydraulic filter elements Test methods Part 2: Conditioning
MIL-DTL-8815-33 Base Document:2011 FILTER ELEMENTS, NON-CLEANABLE, FLUID PRESSURE, HYDRAULIC LINE, 3500 PSI, 5 MICRON ABSOLUTE, -65 DEGREES F TO 275 DEGREES F, AVIATION GROUND POWER UNIT (AGPU)
ISO 14085-3:2015 Aerospace series Hydraulic filter elements Test methods Part 3: Filtration efficiency and retention capacity
ISO 16332:2018 Diesel engines — Fuel filters — Method for evaluating fuel/water separation efficiency
SAE J 2321 : 2002 SHIP SYSTEMS AND EQUIPMENT - GENERAL SPECIFICATION FOR FILTER ELEMENTS - HYDRAULIC AND LUBE OIL SERVICE

ISO 9110-1:1990 Hydraulic fluid power Measurement techniques Part 1: General measurement principles
ISO 3675:1998 Crude petroleum and liquid petroleum products Laboratory determination of density Hydrometer method
ISO 5598:2008 Fluid power systems and components Vocabulary
ISO 6415:2005 Internal combustion engines — Spin-on filters for lubricating oil — Dimensions
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 2909:2002 Petroleum products Calculation of viscosity index from kinematic viscosity
ISO 9110-2:1990 Hydraulic fluid power Measurement techniques Part 2: Measurement of average steady-state pressure in a closed conduit
ISO 4021:1992 Hydraulic fluid power — Particulate contamination analysis — Extraction of fluid samples from lines of an operating system
ISO 2944:2000 Fluid power systems and components — Nominal pressures
ISO 3448:1992 Industrial liquid lubricants — ISO viscosity classification

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