BS 7881:1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Method of test for petrol filters
Hardcopy , PDF
02-08-2013
English
15-06-1997
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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/14
|
| 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 |
| 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) |
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