BS 746:2014
Current
The latest, up-to-date edition.
Specification for gas meter unions and adaptors
Hardcopy , PDF
English
30-11-2014
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
5 Dimensions
6 Machined surfaces
7 Screw threads
8 Strength of nuts and female adaptor ends
9 Finish
10 Marking
Bibliography
Defines requirements and test methods for unions and adaptors for the installation of low pressure gas meters.
| Committee |
GSE/25
|
| DevelopmentNote |
Supersedes BS 746(2005) & 12/30243876 DC. (11/2014)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies requirements and test methods for unions and adaptors for the installation of low pressure gas meters. It is applicable to unions and adaptors for gas meters for use with 1st, 2nd and 3rd family gases at temperatures between -20°C and+60°C, up to a maximum operating pressure of 75 mbar 1) and a maximum incidental pressure of 200 mbar. The gas tightness of the gas meter unions and adaptors is also specified. NOTE The tests specified in this standard are type tests, except for that specified in 4.2.3 .
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