NEN EN 50216-7 : 2002
Current
The latest, up-to-date edition.
POWER TRANSFORMER AND REACTOR FITTINGS - PART 7: ELECTRIC PUMPS FOR TRANSFORMER OIL
12-01-2013
1 Scope
2 Normative references
3 Definitions
4 Design
4.1 General
4.2 Casing/enclosure
4.3 Terminal box
4.4 Hydraulic performance
4.5 Electrical performance
4.6 Noise
4.7 Labelling
5 Materials
6 Preferred sizes
7 Tests
7.1 Routine tests
7.2 Type tests
7.3 Special tests
8 Preparation for despatch
8.1 Painting
8.2 Preparation for transport and storage
Annex A (normative) Preferred sizes of end-suction pumps
Annex B (normative) Preferred sizes of in-line pumps
Annex C (informative) Information required with enquiry,
proposal and purchase order
Annex D (informative) Example of use of hydraulic
interchangeability tolerances
Covers requirements for electric pumps which generate the circulation of insulating oil in transformers and reactors conforming to the EN 60076 series and their associated cooling systems.
| DevelopmentNote |
Supersedes NEN EN 50216-10-4. (08/2004)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| UNE-EN 50216-7:2003 | Identical |
| NBN EN 50216-7 : 2002 | Identical |
| DIN EN 50216-7 : 2002 | Identical |
| BS EN 50216-7:2002 | Identical |
| SN EN 50216-7 : 2002 | Identical |
| NF EN 50216-7 : 2002 | Identical |
| EN 50216-7:2002 | Identical |
| I.S. EN 50216-7:2002 | Identical |
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