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NBN EN ISO 2503 : 2009 AMD 1 2015

Current

Current

The latest, up-to-date edition.

GAS WELDING EQUIPMENT - PRESSURE REGULATORS AND PRESSURE REGULATORS WITH FLOW-METERING DEVICES FOR GAS CYLINDERS USED IN WELDING, CUTTING AND ALLIED PROCESSES UP TO 300 BAR (30 MPA) (ISO 2503:2009/AMD 1:2015)

Published date

12-01-2013

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Foreword
1 Scope
2 Normative references
3 Definition
4 Terminology
5 Units
    5.1 Pressure
    5.2 Flow
    5.3 Temperature
6 Manufacturing requirements
    6.1 Materials
    6.2 Design, machining and assembly
7 Types of connections
    7.1 Inlet connections
    7.2 Outlet connections
8 Physical characteristics
    8.1 Pressures
    8.2 Flow rates
    8.3 Equipment classes
    8.4 Operating characteristics
9 Marking
10 Instructions for use
11 Type test procedure
    11.1 General
    11.2 Test samples and necessary documents
    11.3 Test conditions
    11.4 Functional tests
    11.5 Mechanical tests
    11.6 Test for durability of markings
Annex ZA (normative) Normative references to
         International publications with their
         relevant European publications
Figures
      1 - Diagram of a pressure regulator and
           designation of its components
      2 - Typical dynamic expansion curves
      3 - Example for the measurement of the maximum
          discharge, Qmax
      4 - Example for the measurement of the dynamic
          expansion curves
      5 - Test bench for ignition test
      6 - Test interval
Tables
      1 - List of terms
      2 - Conversion, coefficient, U
      3 - Symbols used
      4 - Equipment classes
      5 - Code letters for gases to be used for marking
          of pressure regulators
      6 - Test pressures

Defines requirements for single or two-stage pressure regulators for connections to gas cylinders usually used for compressed gases not in excess of 300 bar (30 MPa) for dissolved acetylene, liquefied petroleum gases (LPG), methylacetylene-propadiene- mixtures (MPS) and carbon dioxide (CO[2]), for welding, cutting and allied processes.

DevelopmentNote
Supersedes NBN EN 585 (11/2003) Supersedes NBN EN 13918. (02/2010)
DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

Standards Relationship
BS EN ISO 2503 : 2009 Identical
UNE-EN ISO 2503:2010 Identical
UNI EN ISO 2503 : 2010 Identical
I.S. EN ISO 2503:2009 Identical
ISO 2503:2009 Identical
DIN EN ISO 2503:2015-12 Identical

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