NBN EN ISO 2503 : 2009 AMD 1 2015
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)
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 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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