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BS 5409-2:1978

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for nylon tubing Plasticized and unplasticized nylon tubing types 11 and 12 for use primarily in the automobile industry
Available format(s)

Hardcopy , PDF

Withdrawn date

27-09-2012

Language(s)

English

Published date

30-09-1978

Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Material
4. Designation of tubing
5. Dimensions
6. Design criteria for safe maximum working pressures,
     minimum installation radii and short-time burst
     pressure
7. Physical characteristics
8. Special requirements for heat and light stability
9. Resistance to liquids
10. Frequency of testing
11. Marking
Appendices
A. Methods of conditioning tubing and moulded test
     sheets prior to testing
B. Method for the determination of melting point
C. Method for the determination of burst pressure
D. Method for the determination of water absorption
E. Methods of heat ageing
F. Method for falling weight testing
G. Method for the determination of low temperature
     flexibility
H. Method for the determination of the effect of
     artificial exposure
J. Method for the determination of the change in
     tensile properties due to immersion in liquids
K. Method for the determination of the permeability
     to fuel
L. Method for the determination of the change in
     volume due to immersion in liquids
M. Method for the determination of the resistance to
     sulphuric acid of density 1275 kg/m cubed (battery
     acid)
N. Method for the determination of the resistance to
     zince chloride solution
P. Method for the determination of the resistance to
     brake/clutch fluid
Q. Method for the determination of the resistance to
     methanol
Tables
1. Physical requirements for material
2. Tubing dimensions: light duty grade
3. Tubing dimensions: medium duty grade
4. Tubing dimensions: heavy duty grade
5. Safe maximum working pressure at various
     temperatures, and minimum installation radius:
     light duty grade of plasticized nylon tubing
6. Safe maximum working pressure at various
     temperatures, and minimum installation radius:
     medium duty grade of plasticized nylon tubing
7. Safe maximum working pressure at various
     temperatures, and minimum installation radius:
     heavy duty grade of plasticized nylon tubing
8. Safe maximum working pressure at various
     temperatures, and minimum installation radius:
     light duty grade of unplasticized nylon tubing
9. Safe maximum working pressure at various
     temperatures, and minimum installation radius:
     medium duty grade of unplasticized nylon tubing
10. Safe maximum working pressure at various
     temperatures, and minimum installation radius:
     heavy duty grade of unplasticized nylon tubing
11. Pressure factors at various temperatures for
     plasticized and unplasticized nylon tubing
12. Short-time burst pressure for plasticized nylon
     tubing at 23 deg C
13. Short-time burst pressure for unplasticized nylon
     tubing at 23 deg C
14. Type tests
15. Quality control tests
16. Immersion times for boiling water conditioning
17. Slot width of falling weight apparatus
Figure
1. Schematic drawing of the falling weight apparatus

Specifies tube dimensions, working pressures, installation radii, methods of test for three grades of nylon tube.

Committee
PRI/66
DevelopmentNote
Inactive for new design. Supersedes 76/54311 DC. (08/2005)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Withdrawn

Standards Relationship
ISO 7628-1:1998 Similar to

BS 4575-2:1987 Fluid power transmission and control systems Code of practice for pneumatic equipment and systems
BS AU 138a:1980 Specification for dimensions of \'contact\' type couplings for air pressure braking systems on trailers and semi-trailers and their towing vehicles, and the arrangement of these couplings on articulated and drawbar combinations

BS 2782-3:Methods 320A to 320F:1976 Methods of testing plastics. Mechanical properties Tensile strength, elongation and elastic modulus
BS 2648:1955 Performance requirements for electrically-heated laboratory drying ovens
BS 135; 458; 805:1977 Specifications for benzene, xylenes and toluenes
BS 2719:1975 Methods of use and calibration of pocket type rubber hardness meters
BS 903-A16:1987 Physical testing of rubber Determination of the effect of liquids

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