NEN EN ISO 5167-3 : 2003
Current
The latest, up-to-date edition.
MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 3: NOZZLES AND VENTURI NOZZLES
12-01-2013
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
Defines 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.
| DevelopmentNote |
Supersedes NEN EN ISO 5167-1(1995) (12/2003)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| ISO 5167-3:2003 | Identical |
| ONORM EN ISO 5167-3 : 2003 | Identical |
| UNE-EN ISO 5167-3:2003 | Identical |
| BS EN ISO 5167-3:2003 | Identical |
| NS EN ISO 5167-3 : 1ED 2003 | Identical |
| EN ISO 5167-3:2003 | Identical |
| UNI EN ISO 5167-3 : 2004 | Identical |
| DIN EN ISO 5167-3:2004-01 | Identical |
| NF EN ISO 5167-3 : 2003 | Identical |
| I.S. EN ISO 5167-3:2003 | Identical |
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