BS 7351:1990
Current
The latest, up-to-date edition.
Specification for metal-sheathed heating elements for industrial use
Hardcopy , PDF
English
30-09-1990
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Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. General requirements
4. General notes on tests
5. Rating
6. Marking
7. Rated power
8. Electrical insulation and leakage current at
operating temperature
9. Electrical insulation and leakage current in
humid conditions
10. Routine test
11. Construction
12. Supply connections
13. Screws and connections
14. Creepage distances, clearances and distances through
insulation
Tables
1. Relationship of sheath diameter of element to
circular cross section of the former
2. Torque values for screwed connections
3. Creepage distances and clearances
Figures
1. Diagram for leakage current measurement at operating
temperature for single-phase connection of element
2. Diagram for electrical strength test at operating
temperature
General requirements, together with performance, constructional requirements and tests. Does not apply to elements designed for household use.
| Committee |
RHE/24
|
| DevelopmentNote |
Supersedes 87/26023 DC (09/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies general requirements together with performance and constructional requirements and tests for individual metal-sheathed heating elements for industrial use. This British Standard does not apply to elements designed for household use.
NOTE The titles of the publications referred to in this standard are listed on the inside back cover.
| BS 7798:1998 | Specification for industrial immersion heaters using metal-sheathed elements |
| BS 7797:1998 | Specification for industrial duct heaters using metal-sheathed elements |
| BS 3073:1977 | Specification for nickel and nickel alloys: strip |
| BS 3075:1976 | Specification for nickel and nickel alloys: wire |
| BS 3076:1989 | Specification for nickel and nickel alloys: bar |
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