BS 5430-3:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Periodic inspection, testing and maintenance of transportable gas containers (excluding dissolved acetylene containers) Specification for seamless aluminium alloy containers of water capacity 0.5 litres and above
Hardcopy , PDF
25-03-2002
English
31-12-1990
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 General requirements
4 Periodic inspection and hydraulic pressure testing
5 Containers rejected for further service
Appendices
A Guidance on rejection limits
B Hydraulic proof pressure test
C Hydraulic volumetric expansion test
D Procedure to be adopted when a container valve is
apparently obstructed
Tables
1 Intervals between periodic inspections and hydraulic
tests
2 Recommended test date discs for containers
3 Limits for oversize taper screw threads in container
necks
4 Parallel threads appropriate to particular taper
threads
5 Recommended valving torques for stem threads in
containers of up to 300 bar service pressure (using a
polytetrafluoroethylene thread sealant for taper
threads)
6 Guidance on rejection limits relating to physical and
material defects in the container's shell
7 Guidance on rejection limits for gas containers at
time of inspection
8 Guidance on rejection limits for gas containers
resulting from corrosion
9 K factors for the compressibility of water
Figures
1 Illustrations of typical defects described in tables
6 and 8
2 Example of hydraulic proof pressure test equipment
3 Example of the water jacket volumetric expansion test
equipment (levelling burette method)
4 Example of the water jacket volumetric expansion test
equipment (fixed burette method)
5 Example of non-water jacket volumetric expansion test
equipment
6 Typical device for detecting obstructed gas container
valves
7 Typical device for the removal of a damaged low
pressure liquefiable gas container valve
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