ONORM EN ISO 5167-2 : 2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 2: ORIFICE PLATES
23-02-2023
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Principles of the method of measurement and computation
5 Orifice plates
5.1 Description
5.2 Pressure tappings
5.3 Coefficients and corresponding uncertainties of
orifice plates
5.4 Pressure loss, delta[omega]
6 Installation requirements
6.1 General
6.2 Minimum upstream and downstream straight lengths
for installation between various fittings and the
orifice plate
6.3 Flow conditioners
6.4 Circularity and cylindricality of the pipe
6.5 Location of orifice plate and carrier rings
6.6 Method of fixing and gaskets
Annex A (informative) Tables of discharge coefficients
and expansibility [expansion] factors
Annex B (informative) Flow conditioners
Bibliography
Defines the geometry and method of use (installation and operating conditions) of orifice plates when they are inserted in a conduit running full to determine the flow-rate of the fluid flowing in the conduit.
| DocumentType |
Standard
|
| PublisherName |
Osterreichisches Normungsinstitut/Austrian Standards
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 5167-2:2003 | Identical |
| NF EN ISO 5167-2 : 2003 | Identical |
| UNE-EN ISO 5167-2:2003 | Identical |
| NBN EN ISO 5167-2 : 2003 | Identical |
| NEN EN ISO 5167-2 : 2003 | Identical |
| NS EN ISO 5167-2 : 1ED 2003 | Identical |
| I.S. EN ISO 5167-2:2003 | Identical |
| SN EN ISO 5167-2 : 2003 | Identical |
| UNI EN ISO 5167-2 : 2004 | Identical |
| BS EN ISO 5167-2:2003 | Identical |
| EN ISO 5167-2:2003 | Identical |
| DIN EN ISO 5167-2:2004-01 | Identical |
| ONORM EN 1366-10 : 2011 | FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 10: SMOKE CONTROL DAMPERS |
| ONORM EN 13053 : 2011 | VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS |
| ONORM EN 1366-1 : 2014 | FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 1: VENTILATION DUCTS |
| ONORM EN 1822-5 : 2011 | HIGH EFFICIENCY AIR FILTERS (EPA, HEPA AND ULPA) - PART 5: DETERMINING THE EFFICIENCY OF FILTER ELEMENTS |
| ONORM EN 1366-12 : 2014 | FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 12: NON-MECHANICAL FIRE BARRIER FOR VENTILATION DUCTWORK |
| ONORM EN 1822-1 : 2011 | HIGH EFFICIENCY AIR FILTERS (EPA, HEPA AND ULPA) - PART 1: CLASSIFICATION, PERFORMANCE TESTING, MARKING |
| ONORM EN 1751 : JUN 2014 | VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - AERODYNAMIC TESTING OF DAMPER AND VALVES |
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