BS 2494:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for elastomeric seals for joints in pipework and pipelines
Hardcopy , PDF
15-11-1996
BS 7874:1998
BS EN 681-2:2000
BS EN 682:2002
BS EN 681-1:1996
English
31-08-1990
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Foreword
Committees responsible
Specification
1 Scope
2 Designation
3 General
4 Text deleted
5 Text deleted
6 Seals of type T (above ground drainage)
7 Seals of type G (gas and hydrocarbon fluids)
8 Text deleted
9 Text deleted
Appendices
A Method of tensile testing for spliced joints
B Text deleted
C Alternative tensile test piece
D Method for measurement of low temperature hardness
change
E Method for determining resistance to liquid immersion
and desorption
F Method for assessing the integrity of moulded seals
of type T
G Recommendations for storage of seals
Tables
1 Designation of elastomeric joint seals by type and
application
2 Flash size
3 Table deleted
4 Table deleted
5 Physical properties for seals of type T
(thermoplastic elastomers for above ground use only)
6 Physical properties for seals of type G (gas and
hydrocarbon fluids)
7 Table deleted
8 Sustained extension for splice joints
Figures
1 Mould lay out for sample plates
2 Figure deleted
3 Figure deleted
4 Dimensions of alternative dumb-bell
Performance requirements for five types of seal made of thermosetting elastomeric compounds and one type of seal made of thermoplastic elastomeric compounds.
| Committee |
PRI/70
|
| DevelopmentNote |
Supersedes 91/44008 DC (07/2004)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 903-A43:1982 | Methods of testing vulcanized rubber. Determination of resistance to ozone cracking (static strain test) |
| ISO 6447:1983 | Rubber seals Joint rings used for gas supply pipes and fittings Specification for material |
| BS 903-A39:1980 | Methods of testing vulcanized rubber. Determination of compression set under constant deflection at low temperatures |
| BS 5750-2:1987 | Quality systems Specification for production and installation |
| BS 903-A26:1969 | Physical testing of rubber Determination of hardness |
| ISO 6448:1985 | Rubber seals Joint rings used for petroleum product supply pipes and fittings Specification for material |
| BS 3502-3:1978 | Schedule of common names and abbreviations for plastics and rubbers. Rubbers and latices |
| BS 903-A42:1983 | Methods of testing vulcanized rubber. Determination of stress relaxation |
| BS 903-A16:1987 | Physical testing of rubber Determination of the effect of liquids |
| BS 903-A2:1989 | Physical testing of rubber Determination of tensile stress-strain properties |
| ISO 4633:2015 | Rubber seals — Joint rings for water supply, drainage and sewerage pipelines — Specification for materials |
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