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CEN

EN ISO 5198:1998

(Main)

Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987)

Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987)

Forms the first of a set dealing with tests of pumps and specifies precision class tests (former class A). Engineering class I and class II tests (former classes B and C) will be the subject of a further standard. Defines the terms and quantities that are used and specifies general requirements for tests. Does not specify constructional tolerances.

Kreiselpumpen (Radial-, Halbaxial- und Axialkreiselpumpen) - Regeln für die Messung der hydraulischen Betriebsverhaltens - Präzisionsklasse (ISO 5198:1987)

Pompes centrifuges, hélico-centrifuges et hélices - Code d'essais de fonctionnement hydraulique - Classe de précision (ISO 5198:1987)

Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987)

General Information

Status
Published
Publication Date
17-Nov-1998
ICS
23.080 - Pumps
Technical Committee
CEN/TC 197 - Pumps
Drafting Committee
CEN/TC 197 - Pumps
Current Stage
9093 - Decision to confirm - Review Enquiry
Start Date
24-Jan-2008
Completion Date
24-Jan-2008
Ref Project
SIST EN ISO 5198:2000 - Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987)

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SLOVENSKI STANDARD
SIST EN ISO 5198:2000
01-december-2000
Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests -
Precision class (ISO 5198:1987)
Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests -
Precision class (ISO 5198:1987)
Kreiselpumpen (Radial-, Halbaxial- und Axialkreiselpumpen) - Regeln für die Messung
der hydraulischen Betriebsverhaltens - Präzisionsklasse (ISO 5198:1987)
Pompes centrifuges, hélico-centrifuges et hélices - Code d'essais de fonctionnement
hydraulique - Classe de précision (ISO 5198:1987)
Ta slovenski standard je istoveten z: EN ISO 5198:1998
ICS:
23.080 ýUSDONH Pumps
SIST EN ISO 5198:2000 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN ISO 5198:2000

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SIST EN ISO 5198:2000

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SIST EN ISO 5198:2000

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SIST EN ISO 5198:2000
IS0
INTERNATIONAL STANDARD
5198
First edition
1987-07-O 1
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION
ORGANISATION INTERNATIONALE DE NORMALISATION
MEXflYHAPOflHAfl OPTAHM3A~klfl l-l0 CTAH~APTM3A~MM
Centrifugal, mixed flow and axial pumps - Code for
hydraulic performance tests - Precision class
Code d’essais de fonctionnement
Pompes ten trifuges, h&co-ten trifuges et hklices -
h ydraufique - Classe de prbision
Reference number
IS0 5198: 1987 (E)

---------------------- Page: 5 ----------------------

SIST EN ISO 5198:2000
Foreword
IS0 (the International Organization for Standardization) is a worldwide federation of
national standards bodies (IS0 member bodies). The work of preparing International
Standards is normally carried out through IS0 technical committees. Each member
body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, govern-
mental and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council. They are approved in accordance with IS0 procedures requiring at
least 75 % approval by the member bodies voting.
International Standard IS0 5198 was prepared by Technical Committee ISO/TC 115,
Pumps.
Users should note that all International Standards undergo revision from time to time
and that any reference made herein to any other International Standard implies its
latest edition, unless otherwise stated.
0 International Organization for Standardization, 1987
Printed in Switzerland
ii

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SIST EN ISO 5198:2000
IS0 5198 :I987 (E)
Contents
Page
. . . . I
0 Introduction. . . . . . .
............. 1
1 Scope . . . . . . . . .
. . . . I
2 Field of application . . . . . .
. . . . 2
3 References. . . . . . .
Section one : General recommendations
4 Definitions and symbols . . . . . . . . . . . .
5 Specified duty . . . . . . . . . . . . . . . . . . . .
6 General requirements for tests . . . . . .
Section two : Measurement methods
7 Measurement of rate of flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . * . 17
91
LI
8 Measurement of head. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..................................... 38
9 Measurement of speed of rotation
......................................... 38
10 Measurement of power input
........ . . 41
11 Measurement of pump efficiency by the thermodynamic method
.................................................. . .
12 Cavitation tests 51
Annexes
A Estimation and analysis of uncertainties . . . 57
B Comparison of test results with specified duty. . . . 61
C Thermodynamic properties of water and assessment of the accuracy
................ 65
of efficiency measurements by the thermodynamic method
D . 78
Other cavitation tests
E . 80
Frictionlosses.
. . .
III

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SIST EN ISO 5198:2000
This page intentionally left blank

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SIST EN ISO 5198:2000
INTERNATIONAL STANDARD
IS0 5198 : 1987 (E)
Centrifugal, mixed flow and axial pumps - Code for
hydraulic performance tests - Precision class
0 Introduction This International Standard does not recommend any construc-
tiona
...

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