NBN EN 12723 : 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LIQUID PUMPS - GENERAL TERMS FOR PUMPS AND INSTALLATIONS - DEFINITIONS, QUANTITIES, LETTER SYMBOLS AND UNITS
09-01-2012
01-12-2013
Foreword
1 Scope
2 Normative references
3 General terms and definitions for pumps and
installations
3.1 List of symbols and quantities
3.2 List of letters, figures and symbols used as
subscripts
3.3 General definitions
3.4 Rates of flow
3.5 Heights
3.6 Heads
3.7 Specific energy
3.8 Cross-sectional areas
3.9 Velocities
3.10 Pressure
3.11 Temperatures
3.12 Powers
3.13 Efficiencies
3.14 Performance
3.15 Speed and rotation
3.16 Forces and loads
3.17 Pumped liquid characteristics
3.18 Miscellaneous terms
4 Special terms for rotodynamic pumps
4.1 Rates of flow
4.2 Heights
4.3 Power
4.4 Heads
4.5 Cross-sectional areas
4.6 Velocities
4.7 Speed and rotation
4.8 Performance
4.9 Pump characterizing number
4.10 Miscellaneous terms
5 Special terms for reciprocating and rotary positive
displacement pumps
5.1 Rates of flow
5.2 Cross-sectional areas
5.3 Velocities
5.4 Pressure
5.5 Volumes
5.6 Forces and loads
5.7 Efficiencies
5.8 Miscellaneous terms
Annex A (informative) Figures for illustrating the definitions
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