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EN ISO 5167-3:2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 3: Nozzles and Venturi nozzles (ISO 5167-3:2003)
Superseded date

09-21-2020

Published date

03-01-2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principles of the method of measurement and computation
5 Nozzles and Venturi nozzles
  5.1 ISA 1932 nozzle
  5.2 Long radius nozzles
  5.3 Venturi nozzles
6 Installation requirements
  6.1 General
  6.2 Minimum upstream and downstream straight lengths
      for installation between various fittings and the
      primary device
  6.3 Flow conditioners
  6.4 Circularity and cylindricality of the pipe
  6.5 Location of primary device and carrier rings
  6.6 Method of fixing and gaskets
Annex A (informative) Tables of discharge coefficients
         and expansibility [expansion] factors
Bibliography

ISO 5167-3:2003 specifies the geometry and method of use (installation and operating conditions) of nozzles and Venturi nozzles when they are inserted in a conduit running full to determine the flow-rate of the fluid flowing in the conduit.ISO 5167-3:2003 also provides background information for calculating the flow-rate and is applicable in conjunction with the requirements given in ISO 5167-1.ISO 5167-3:2003 is applicable to nozzles and Venturi nozzles in which the flow remains subsonic throughout the measuring section and where the fluid can be considered as single-phase. In addition, each of the devices can only be used within specified limits of pipe size and Reynolds number. It is not applicable to the measurement of pulsating flow. It does not cover the use of nozzles and Venturi nozzles in pipe sizes less than 50 mm or more than 630 mm, or for pipe Reynolds numbers below 10 000.ISO 5167-3:2003 deals with two types of standard nozzles, the ISA 1932 nozzle and the long radius nozzle, as well as the Venturi nozzle. The two types of standard nozzle are fundamentally different and are described separately in ISO 5167-3:2003. The Venturi nozzle has the same upstream face as the ISA 1932 nozzle, but has a divergent section and, therefore, a different location for the downstream pressure tappings, and is described separately. This design has a lower pressure loss than a similar nozzle. For both of these nozzles and for the Venturi nozzle direct calibration experiments have been made, sufficient in number, spread and quality to enable coherent systems of application to be based on their results and coefficients to be given with certain predictable limits of uncertainty.

Committee
CEN/BT
DevelopmentNote
Supersedes 1995 version of EN ISO 5167-1 (09/2003)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

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VDI 3861 Blatt 2:2008-01 Stationary source emissions - Measurement of inorganic fibrous particles in exhaust gas - Scanning electron microscopy method
UNE-EN 16211:2016 Ventilation for buildings - Measurement of air flows on site - Methods
12/30258755 DC : 0 BS EN 1539 - DRYERS AND OVENS, IN WHICH FLAMMABLE SUBSTANCES ARE RELEASED - SAFETY REQUIREMENTS
UNI EN 14277 : 2008 VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - METHOD FOR AIRFLOW MEASUREMENT BY CALIBRATED SENSORS IN OR CLOSE TO ATD/PLENUM BOXES
I.S. EN 1366-12:2014 FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 12: NON-MECHANICAL FIRE BARRIER FOR VENTILATION DUCTWORK
DIN EN 1366-12:2014-12 FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 12: NON-MECHANICAL FIRE BARRIER FOR VENTILATION DUCTWORK
UNE-EN 1751:2014 Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves
UNI EN 1366-1 : 2014 FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 1: VENTILATION DUCTS
UNI EN 1751 : 2014 VENTILATION FOR BUILDINGS - AIR TERMINAL DEVICES - AERODYNAMIC TESTING OF DAMPER AND VALVES
BS EN 1366-12:2014 Fire resistance tests for service installations Non-mechanical fire barrier for ventilation ductwork
DIN EN 16211:2015-09 Ventilation for buildings - Measurement of air flows on site - Methods
I.S. EN 16211:2015 VENTILATION FOR BUILDINGS - MEASUREMENT OF AIR FLOWS ON SITE - METHODS
BS EN 1366-1:2014 Fire resistance tests for service installations Ventilation ducts
BS EN 13959:2004 Anti-pollution check valves. DN 6 to DN 250 inclusive Family E, type A, B, C, and D
UNE-EN 1366-1:2016 Fire resistance tests for service installations - Part 1: Ventilation ducts
UNE-EN 13141-6:2015 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 6: Exhaust ventilation system packages used in a single dwelling
BS EN 14277:2006 Ventilation for buildings. Air terminal devices. Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes
EN 16211:2015 Ventilation for buildings - Measurement of air flows on site - Methods
EN 14277:2006 Ventilation for buildings - Air terminal devices - Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes
EN 1751:2014 Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves
EN 1366-12:2014 Fire resistance tests for service installations - Part 12: Non-mechanical fire barrier for ventilation ductwork
EN 13959:2004 Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
UNI EN 1366-12 : 2014 FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 12: NON-MECHANICAL FIRE BARRIER FOR VENTILATION DUCTWORK
UNE-EN 1366-12:2015 Fire resistance tests for service installations - Part 12: Non-mechanical fire barrier for ventilation ductwork
BS EN 13141-6:2014 Ventilation for buildings. Performance testing of components/products for residential ventilation Exhaust ventilation system packages used in a single dwelling
BS EN 1751:2014 Ventilation for buildings. Air terminal devices. Aerodynamic testing of damper and valves
EN 13141-6:2014 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 6: Exhaust ventilation system packages used in a single dwelling
DIN EN 13959:2005-01 Anti-pollution check valves - DN 6 to DN 250 inclusive - Family E, type A, B, C and D; German version EN 13959:2004
DIN EN 14277:2006-11 Ventilation for buildings - Air terminal devices - Method for airflow measurement by calibrated sensors in or close to ATD/plenum boxes

EN 24006:1993 Measurement of fluid flow in closed conduits - Vocabulary and symbols (ISO 4006:1991)
ISO/TR 5168:1998 Measurement of fluid flow Evaluation of uncertainties
EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
ISO/TR 3313:1998 Measurement of fluid flow in closed conduits Guidelines on the effects of flow pulsations on flow-measurement instruments
ISO/TR 9464:2008 Guidelines for the use of ISO 5167:2003
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
ISO 4006:1991 Measurement of fluid flow in closed conduits — Vocabulary and symbols

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