UNI EN ISO 5167-3 : 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 3: NOZZLES AND VENTURI NOZZLES
02-18-2021
01-01-2004
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
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