DIN EN ISO 9906:2013-03

National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and subscripts
4 Pump measurements and acceptance criteria
5 Test procedures
6 Analysis
Annex A (normative) - Test arrangements
Annex B (informative) - NPSH test arrangements
Annex C (informative) - Calibration intervals
Annex D (informative) - Measurement equipment
Annex E (informative) - Tests performed on the
        entire equipment set - String test
Annex F (informative) - Reporting of test results
Annex G (informative) - Special test methods
Annex H (informative) - Witnessed pump test
Annex I (informative) - Conversion to SI units
Annex J (informative) - Measurement uncertainty
        for NPSH test
Bibliography

Defines hydraulic performance tests for customers' acceptance of rotodynamic pumps (centrifugal, mixed flow and axial pumps, hereinafter 'pumps').