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Norm

ÖNORM EN ISO 9906

Issue date: 2002 07 01

Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1 and 2 (ISO 9906:1999)

This International Standard specifies hydraulic performance tests for acceptance of rotodynamic pumps (centrifugal, mixed flow and axial pumps, hereinafter simply design...
Withdrawn: 2013 03 15
Publisher:
Austrian Standards International
Format:
Digital | 74 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This International Standard specifies hydraulic performance tests for acceptance of rotodynamic pumps (centrifugal, mixed flow and axial pumps, hereinafter simply designated as pumps). It is applicable to pumps of any size and to any pumped liquids behaving as clean cold water (such as defined in 5.4.5.2). It is neither concerned with the structural details of the pump nor with the mechanical properties of their components. This International Standard contains two grades of accuracy of measurement: grade 1 for higher accuracy, and grade 2 for lower accuracy. These grades include different values for tolerance factors, for allowable fluctuations and uncertainties of measurement. For pumps produced in series with selection made from typical performance curves and for pumps a with power input of less than 10 kW, see annex A for higher tolerance factors. This International Standard is applicable both to a pump itself without any fittings and to a combination of a pump associated with all or part of its upstream and/or downstream fittings.
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ISO 1438-1:1980
Issue date : 1980 04 01
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ISO 2186:2007
Issue date : 2007 02 28
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ISO 4373:2008
Issue date : 2008 10 07
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ISO 5167-1:1991
Issue date : 1991 12 12
Measurement of fluid flow by means of pressure differential devices — Part 1: Orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full
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ISO 5198:1987
Issue date : 1987 07 09
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ISO 8316:1987
Issue date : 1987 09 24
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ISO 9104:1991
Issue date : 1991 04 11
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Issue date : 2013 03 15
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Issue date : 1999 12 16
Rotodynamic pumps — Hydraulic performance acceptance tests — Grades 1 and 2 (Corrected version 1999-12)