Brochure

Eciency ..................................................................................................... 39
Electrical motor .......................................................................................17
Electrical power ....................................................................................104
End-suction pump .................................................................................14
Energy class ................................................................................................57
Energy eciency index (EEI) ...........................................................57
Energy equation ......................................................................................37
Energy labeling ....................................................................................... 56
Equilibrium equations .......................................................................64
Euler’s turbomachinery equation ........................................64, 65
F
Final inspection test ...........................................................................99
Flow angle .................................................................................... 61, 73, 90
Flow forces ................................................................................................ 64
Flow friction ..............................................................................................81
Flow meters ...........................................................................................100
Fluid column ............................................................................................. 34
Force measurements ..........................................................110
Friction .......................................................................................................... 19
Friction coecient ............................................................................... 82
Friction loss .........................................................................................49, 81
G
Geodetic pressure dierence ................................................. 35, 36
Grinder pump ..........................................................................................27
Guide vanes ..............................................................................................23
H
Head .......................................................................................31, 34, 100, 102
Head loss calculation .......................................................... 85
High specific speed pumps .............................................................74
Hydraulic diameter .............................................................................. 82
Hydraulic losses ...............................................................................78, 80
Hydraulic power .................................................................................... 38
I
Ideal flow ....................................................................................................37
Impact losses ............................................................................................90
Impeller .........................................................................................................15
Impeller blades ..................................................................................15, 16
Impeller outlet heigth........................................................................ 70
Impeller shape .........................................................................................75
Industrial pumps .................................................................................. 24
Inlet ...........................................................................................................14, 62
Inlet flange..................................................................................................14
Inline-pump ...............................................................................................14
L
Laminar flow ............................................................................................ 83
Leakage ........................................................................................................ 92
Leakage loss ........................................................................................19, 92
Load profile .................................................................................................54
Loss distribution .................................................................................... 95
Loss types.....................................................................................................78
Low specific speed pumps ...............................................................74
M
Magnetic bearing ................................................................................ 110
Magnetic drive .........................................................................................18
Maintenance test ..................................................................................99
Measuring holes .................................................................................. 101
Mechanical losses ..................................................................................78
Meridional cut .........................................................................................60
Meridional velocity ..............................................................................60
meterWaterColumn ............................................................................ 34
Mixing losses ...........................................................................................86
Momentum equation ........................................................................64
125