• ONORM EN ISO 5167-3 : 2003

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES INSERTED IN CIRCULAR CROSS-SECTION CONDUITS RUNNING FULL - PART 3: NOZZLES AND VENTURI NOZZLES

    Available format(s): 

    Withdrawn date:  15-03-2021

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Osterreichisches Normungsinstitut/Austrian 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.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Osterreichisches Normungsinstitut/Austrian Standards
    Status Withdrawn
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    ONORM EN 1822-1 : 2011 HIGH EFFICIENCY AIR FILTERS (EPA, HEPA AND ULPA) - PART 1: CLASSIFICATION, PERFORMANCE TESTING, MARKING
    ONORM EN 1366-1 : 2014 FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 1: VENTILATION DUCTS
    ONORM EN 1366-10 : 2011 FIRE RESISTANCE TESTS FOR SERVICE INSTALLATIONS - PART 10: SMOKE CONTROL DAMPERS
    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 13053 : 2011 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
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