NBN EN 60609-2 : 2001
Current
The latest, up-to-date edition.
BEOORDELING VAN DE EROSIE DOOR CAVITATIE IN WATERTURBINES, OPSLAGPOMPEN EN POMP-TURBINES - DEEL 2 : BEOORDELING IN PELTON-TURBINES
12-01-2013
Foreword
Introduction
1 General
1.1 Scope and object
1.2 Excluded topics
1.3 Normative reference
2 Terms, symbols and definitions
2.1 Units
2.2 List of terms
2.3 Location and type of damage to Pelton buckets
3 Nature and extent of cavitation pitting guarantees
3.1 Period of guarantee
3.2 Definition of the amount of cavitation pitting
3.3 Operating ranges and duration of operation
3.3.1 Reference duration of operation
3.3.2 Actual duration of operation
3.3.3 Special conditions
4 Test procedure
4.1 Cavitation pitting repair during the guarantee
period
4.2 Measurement and calculation of the amount of
cavitation pitting
5 Computation of results
5.1 Fulfilment of the guarantee
Annex A (normative) Examples of amounts of cavitation
pittings
Annex B (informative) Bibliography
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Provides a basis for formulating guarantees on cavitation pitting on Pelton turbine runners, in addition to the measuring and evaluating of the amount of cavitation pitting on Pelton turbine runners of a specific turbine, specified in the contract by power, specific hydraulic energy of machine (head), rotational speed, material, operation, and so on.
DocumentType |
Standard
|
PublisherName |
Belgian Standards
|
Status |
Current
|
Standards | Relationship |
BS EN 60609-2:1999 | Identical |
I.S. EN 60609-2:2000 | Identical |
UNE-EN 60609-2:1999 | Identical |
SN EN 60609-2 : 1999 | Identical |
NF EN 60609-2 : 2000 | Identical |
EN 60609-2:1999 | Identical |
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