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Standard [CURRENT]

DIN EN ISO 9906:2013-03

Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1, 2 and 3 (ISO 9906:2012); German version EN ISO 9906:2012

German title
Kreiselpumpen - Hydraulische Abnahmeprüfungen - Klassen 1, 2 und 3 (ISO 9906:2012); Deutsche Fassung EN ISO 9906:2012
Publication date
2013-03
Original language
German
Pages
68

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Publication date
2013-03
Original language
German
Pages
68
DOI
https://dx.doi.org/10.31030/1860526

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Overview

This standard specifies hydraulic performance tests for customers' acceptance of rotodynamic pumps (centrifugal, mixed flow and axial pumps, hereinafter "pumps"). It is intended to be used for pump acceptance testing at pump test facilities, such as manufacturers' pump test facilities or laboratories. It can be applied to pumps of any size and to any pumped liquids which behave as clean, cold water. This standard specifies three levels of acceptance: - grades 1B, 1E and 1U with tighter tolerance; - grades 2B and 2U with broader tolerance; - grade 3B with even broader tolerance. This standard applies either to a pump itself without any fittings or to a combination of a pump associated with all or part of its upstream and/or downstream fittings. It contains the German version of EN ISO 9906:2012 which has been prepared by Technical Committee ISO/TC 115 "Pumps", in collaboration with Technical Committee CEN/TC 197 "Pumps" at the European Committee for Standardisation (CEN). This standard differs from DIN EN ISO 9906:2002 as follows: generally technically and editorially revised, amongst others a) Scope: addition of more levels of acceptance; b) Normative references: revised and shortened; c) clause 3: Terms and definitions revised; d) 4.3: amplitudes of fluctuation redefined, measurement uncertainties revised, overall uncertainties adopted; tolerances for levels of acceptance amended; introduction of specifications for levels of acceptance revised; e) annexes rearranged; Annex A (normative) - Test arrangements; new Annex D - Measurement equipment and new Annex H - Witnessed pump test; f) the Bibliography significantly extended. National interests for the development of standards are represented in NA 060-11-01 AA "Centrifugal pumps" in the section "Pumps" of the DIN Standards Committee Mechanical Engineering (NAM).

Content
ICS
23.080
DOI
https://dx.doi.org/10.31030/1860526
Replacement amendments

This document replaces DIN EN ISO 9906:2002-08 .

Cooperation at DIN

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