ONORM EN ISO 5167-4 : 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 CIRUCLAR CROSS-SECTION CONDUITS RUNNING FULL - PART 4: VENTURI TUBES
23-02-2023
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles of the method of measurement and computation
5 Classical Venturi tubes
5.1 Field of application
5.2 General shape
5.3 Material and manufacture
5.4 Pressure tappings
5.5 Discharge coefficient, C
5.6 Expansibility [expansion] factor, [epsilon]
5.7 Uncertainty of the discharge coefficient, C
5.8 Uncertainty of the expansibility [expansion]
factor [epsilon]
5.9 Pressure loss
6 Installation requirements
6.1 General
6.2 Minimum upstream and downstream straight lengths
for installation between various fittings and the
Venturi tube
6.3 Flow conditioners
6.4 Additional specific installation requirements
for classical Venturi tubes
Annex A (informative) Table of expansibility [expansion]
factor
Annex B (informative) Classical Venturi tubes used
outside the scope of ISO 5167-4
Annex C (informative) Pressure loss in a classical
Venturi tube
Bibliography
Defines the geometry and method of use (installation and operating conditions) of Venturi tubes when they are inserted in a conduit running full to determine the flowrate of the fluid flowing in the conduit.
DocumentType |
Standard
|
PublisherName |
Osterreichisches Normungsinstitut/Austrian Standards
|
Status |
Superseded
|
SupersededBy |
Standards | Relationship |
ISO 5167-4:2003 | Identical |
NF EN ISO 5167-4 : 2003 | Identical |
UNE-EN ISO 5167-4:2003 | Identical |
NBN EN ISO 5167-4 : 2003 | Identical |
NEN EN ISO 5167-4 : 2003 | Identical |
NS EN ISO 5167-4 : 1ED 2003 | Identical |
I.S. EN ISO 5167-4:2003 | Identical |
SN EN ISO 5167-4 : 2003 | Identical |
UNI EN ISO 5167-4 : 2004 | Identical |
BS EN ISO 5167-4:2003 | Identical |
EN ISO 5167-4:2003 | Identical |
DIN EN ISO 5167-4:2004-01 | 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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