BS 3158:1985

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Types
4. Construction
5. Physical properties
6. Pressure requirements
7. Dimensions and tolerances
8. Resistance to vacuum
9. Hose assemblies
10. Electrical bonding
11. Marking
12. Cleanliness
13. Protection for despatch
Appendices
A. Method for determination of fuel-soluble matter
B. Method of test for cold embrittlement
C. Adhesion between components
D. Fuel contamination test
E. Flexibility test at 20 deg C
F. Flexibility test at -25 deg C
G. Crush recovery test
H. Resistance to kinking test
J. Hydrostatic tests
K. Vacuum resistance test
L. Security of coupling attachment test
M. Storage recommendations
N. Minimum test frequency
Tables
1. Service reeling diameters
2. Requirements for rubber compounds
3. Requirements for the finished hose
4. Pressure ratings
5. Dimensions and tolerances
6. Mass per unit length of hose
7. External diameter of drum for flexibility test
     at 20 deg C
8. Ball diameter for resistance to vacuum test
     (types E and F only)
9. Test pressures for security of coupling
     attachment test
10. Minimum test frequency
Figures
1. Apparatus for cold embrittlement test
2. Apparatus for flexibility test at -25 deg C

Specifies requirements for six types of hose intended for all ground fuelling and defuelling operations of aircraft including two types of hose with enhanced defuelling capabilities.