BS 7125:1989
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Specification for transformers for resistance welding machines
Hardcopy , PDF
29-10-2018
English
31-08-1989
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National foreword
Committees responsible
Specification
1. Scope and field of application
2. References
3. Operating conditions
4. Definitions
5. Construction
6. Specifications
7. Tests
8. Marking
9. Technical notice
Annexes
A. Notes on some physical concepts and comments on the
definitions
B. Corrections to be made when operating under
conditions different from those indicated in
clause 3
C. Specimen rating plates
Tables
1. Heat rise and temperature limits
2. Cooling water temperature
3. Reduction of maximum heat rise values
Figures
1. Temperature variation of a transformer
2. Transformer operating cycle
3. Cooling curve
Requirements and tests for transformers supplied with single phase current and used for resistance welding. Applies to transformers sold separately from the rest of the welding machine. For transformers forming an integral part of the welding machine, BS 3065 should be consulted.
| Committee |
WEE/29
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| ISO 5826:2014 | Identical |
| BS 5924:1989 | Specification for safety requirements for the construction and the installation of equipment for resistance welding and allied processes |
| BS 6404-8.4(1986) : 1986 | MAGNETIC MATERIALS - INDIVIDUAL MATERIALS - SPECIFICATION FOR COLD ROLLED NON ORIENTED MAGNETIC STEEL SHEET AND STRIP DELIVERED IN THE FINALLY ANNEALED STATE |
| BS 601-2:1973 | Specification for steel sheet and strip for magnetic circuits of electrical apparatus Oriented steel, 0.25 mm thick and above |
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