• NBN 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

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    Published date:  12-01-2013

    Publisher:  Belgian Standards

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

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    Document Type Standard
    Publisher Belgian Standards
    Status Current
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