NEN EN 1267 : 2012
Current
The latest, up-to-date edition.
INDUSTRIAL VALVES - TEST OF FLOW RESISTANCE USING WATER AS TEST FLUID
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test installation
4.1 General
4.2 Test tubes
4.3 Measuring equipments
4.4 Test fluid
5 Test procedure
5.1 Test conditions
5.2 Pressure loss in test tubes
5.3 Test of valve
6 Calculation
6.1 Determination of the valve pressure loss
6.2 Calculation of coefficients
6.3 Uncertainties
7 Test report
7.1 Valve data
7.2 Test data
7.3 Test result
Annex A (informative) Suitable dimensions for new test tubes
Annex B (informative) Nature of a flow and physical phenomena
occurring when a flow passes through a
valve
Annex C (informative) Test result uncertainties
Defines a method for determining valve pressure loss coefficient and fluid flow coefficient using water as test fluid.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 1267:2012-04 | Identical |
| UNI EN 1267 : 2012 | Identical |
| UNE-EN 1267:2012 | Identical |
| BS EN 1267:2012 | Identical |
| SN EN 1267 : 2012 | Identical |
| I.S. EN 1267:2012 | Identical |
| EN 1267:2012 | Identical |
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