BS 746:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for gas meter unions and adaptors
Hardcopy , PDF
05-24-2005
English
03-15-2001
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
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.