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