BS 746:1987
Superseded
View Superseded by
Specification for gas meter unions and adaptors
Hardcopy , PDF
English
03-15-2001
01-31-2009
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Designation of unions
4 Materials
5 Dimensions
6 Manufacture
7 Screw threads
8 Finish
9 Soundness
Appendices
A Test for flexibility of rubber type material
B Sulphur dioxide porosity test for plated components
Tables
1 Dimensions of boss
2 Dimensions of nut
3 Dimensions of liner
4 Dimensions of reducing adaptor
5 Dimensions of increasing adaptor
6 Dimensions of union washers
7 Dimensions of adaptor washers
8 Dimensions of external threads
9 Dimensions of internal threads
Figure
1 Basic Whitworth form
Materials and dimensions for bosses, nuts, liners, washers and adaptors for use in gas meter unions. Also applies to nuts, liners and washers for use with meter control cocks.
| Committee |
GSE/25
|
| DevelopmentNote |
Supersedes 91/71107 DC, 00/708780 DC and 85/73306 DC. (03/2006)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 903-A26:1969 | Physical testing of rubber Determination of hardness |
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