ISO 21630:2007
Current
The latest, up-to-date edition.
Pumps Testing Submersible mixers for wastewater and similar applications
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English
13-08-2007
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ISO 21630:2007 prescribes acceptance test methods for submersible mixers used for mixing in wastewater and other applications where at least one system component is a liquid.
"Submersible mixer" is taken to mean a fully submersible aggregate consisting of a drive unit and an axial flow type impeller, and optional parts, such as shrouds, supporting the basic functions.
"Liquid" is taken to mean a body without capacity to accommodate shear stresses when at rest. This includes suspensions and dispersions (liquid/solid, gas/liquid and gas/liquid/solid), and non-Newtonian liquids, provided that a possible small yield stress does not prevent the liquid from flowing when agitated.
| DevelopmentNote |
Supersedes ISO/DIS 21630. (08/2007)
|
| DocumentType |
Standard
|
| Pages |
21
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NEN ISO 21630 : 2007 | Identical |
| BS ISO 21630:2007 | Identical |
| SS-ISO 21630:2007 | Identical |
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| IEC 60034-2:1972 | Rotating electrical machines. Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests (excluding machines for traction vehicles) |
| IEC 60051:1973 | Recommendations for direct acting indicating electrical measuring instruments and their accessories |
| DIN 53019-2:2001-02 | Viscosimetry - Determination of viscosity and flow curves with rotational viscosimeters - Part 2: Viscosimeter calibration and determination of the uncertainty of measurement |
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| ISO 4392-3:1993 | Hydraulic fluid power — Determination of characteristics of motors — Part 3: At constant flow and at constant torque |
| DIN 1342-3:2003-11 | VISCOSITY - PART 3: NON-NEWTONIAN LIQUIDS |
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