BS 2797:1976
Current
The latest, up-to-date edition.
Specification for leathers for gas meter diaphragms
Hardcopy , PDF
English
30-07-1976
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Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Requirements
5. Marking
Appendices
A. Method of manufacture of E.I. sheepskin diaphragm
leather (type 1)
B. Method of manufacture of split hide diaphragm
leather (type 2)
C. Procedure for the determination of iron content
D. Procedure for the determination of shrinkage in
boiling water
Figure
1. Test piece holder for determination of shrinkage
in boiling water
Two types - E.1. sheepskin leather and split hide leather. Requirements, methods
| Committee |
TCI/69
|
| DevelopmentNote |
Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies requirements for finished leathers for use in diaphragms of gas meters intended for use with natural gas. Two types of leather are specified.
Type 1. E.I. sheepskin leather, manufactured as described in outline in Appendix A.
Type 2. Split hide leather, manufactured as described in outline in Appendix B.
| BS 6047-1:1981 | Flame supervision devices for domestic, commercial and catering gas appliances Specification for heat sensitive type |
| BS 2780(1983) : 1983 | GLOSSARY OF LEATHER TERMS |
| BS 3978:1966 | Specification for water for laboratory use |
| BS 1792:1960 | One-mark volumetric flasks |
| BS 612:1966 | Specification for Nessler cylinders |
| BS 3144:1968 | Methods of sampling and physical testing of leather |
| BS 1912:1985 | Specification for soap flakes |
| BS 1911:1985 | Specification for hard soap |
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