Customer Support: 131 242

  • There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

NEN 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)
Published date

12-01-2013

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 without flowmetering devices for connection to gas cylinders used for compressed gases up to 300 bar (30 MPa), dissolved acetylene, liquefied petroleum gases (LPG), methylacetylene-propadiene mixtures (MPS), and carbon dioxide (CO[2]), for use in welding, cutting and allied processes.

DevelopmentNote
Supersedes NEN EN 585. (09/2002) Supersedes NEN EN 13918. (08/2009)
DocumentType
Standard
PublisherName
Netherlands 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
EN ISO 2503:2009/A1:2015 Identical

View more information
Sorry this product is not available in your region.

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.

Need help?
Call us on 131 242, then click here to start a Screen Sharing session
so we can help right away! Learn more