BS 7881:1997

Withdrawn

Method of test for petrol filters

Available format(s)

Hardcopy , PDF

Withdrawn date

08-02-2013

Language(s)

English

Published date

06-15-1997

Publisher

British Standards Institution

Committees responsible
Foreword
Method
1 Scope
2 Normative references
3 Test to determine flow rate versus pressure drop
4 Test to determine single pass efficiency and micrometre
    rating
5 Test to determine filter life, cumulative efficiency and
    dust holding capacity
Annexes
A (normative) Test liquid for fuel filter tests
B (informative) Specification for test dusts
C (informative) Example of graph of efficiency and
    micrometre rating
D (informative) Worked example of the method of determination
    of filter efficiency (single pass efficiency)
E (informative) Example of graph of efficiency from
    gravimetric method
F (informative) Worked example of the method of determination
    of filter efficiency (cumulative efficiency)
G (informative) Example of graph of pressure drop versus
    life
H (informative) Example of graph of efficiency versus life
H (informative) Example of graph of pressure drop versus
    efficiency
J (informative) Example of graph of pressure drop versus
    efficiency
Tables
A.1 Test liquid for fuel filter tests
B.1 Particle size distribution of SAE fine test dust
B.2 Typical chemical composition of SAE fine test dust
B.3 Particle size distribution of MIRA M1 test dust
B.4 Particle size distribution of MIRA M2 test dust
B.5 Particle size distribution of MIRA M3 test dust
B.6 Particle size distribution of MIRA M4 test dust
Figures
1 Test rig for determination of flow rate versus pressure
    drop
2 Test rig for determination of single pass efficiency and
    micrometre rating
3 Typical 140 mm diameter filter disc holder assembly
4 Vacuum flask and pump for filter discs
5 Test filter for determination of life and cumulative
    efficiency
6 Typical 47 mm diameter filter disc holder assembly
A.1 Typical viscosity/temperature curve for test liquid
C.1 Graph of efficiency from HIAC particle count method
E.1 Graph of efficiency from gravimetric method
G.1 Graph of pressure drop versus life
H.1 Graph of efficiency versus life
J.1 Graph of pressure drop versus efficiency
List of references

Describes three methods of test for petrol filters intended for automotive and marine internal combustion engines.

Committee	MCE/21/6
DevelopmentNote	Supersedes 93/712281 DC (07/2004) Inactive for the new design. (12/2009)
DocumentType	Standard
Pages	30
PublisherName	British Standards Institution
Status	Withdrawn
Supersedes	93/712281 DC : OCT 93

ISO 6295:1983	Petroleum products Mineral oils Determination of interfacial tension of oil against water Ring method
BS 5540-6:1990	Evaluating particulate contamination of hydraulic fluids Method of calibrating liquid automatic particle-count instruments (using mono-sized latex spheres)
BS 7392:1990	Method for determination of distillation characteristics of petroleum products
BS 2000-71(1990) : 1990	METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - KINEMATIC VISCOSITY OF TRANSPARENT AND OPAQUE LIQUIDS AND CALCULATION OF DYNAMIC VISCOSITY
BS EN 22719:1994	Methods of test for petroleum and its products. Petroleum products and lubricants. Determination of flash point. Pensky-Martens closed cup method
BS 4714:1980	Method for laboratory determination of density or relative density of crude petroleum and liquid petroleum products (hydrometer method)