BS IEC 60609-2 : 1997 AMD 15739

FOREWORD
INTRODUCTION
1 General
    1.1 Scope
    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
Annexes
A Examples of amounts of cavitation pittings
B Bibliography