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EN ISO 2503:2009

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)

Publication date:   Mar 22, 2010

General information

60.60 Standard published   Jul 15, 2009

CEN

CEN/TC 121 Welding and allied processes

European Norm

25.160.30   Welding equipment

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Scope

ISO 2503:2009 specifies requirements for single or two-stage pressure regulators without flow-metering 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 (CO2),
for use in welding, cutting and allied processes. It does not cover pressure regulators having a nominal outlet pressure p2 > 20 bar.
ISO 2503:2009 also specifies requirements for single or two-stage pressure regulators with flow-metering devices for connection to gas cylinders used for
compressed gases or mixtures up to 300 bar (30 MPa), and
carbon dioxide (CO2),
for use in welding, cutting and allied processes. Typical processes using this equipment are: tungsten inert-gas arc welding (TIG), metal-arc inert-gas welding (MIG), metal-arc active-gas welding (MAG), plasma arc welding, tubular-cored-wiretubular-cored-wire welding and plasma cutting. Annex B gives examples of flow-control systems and their flow-measuring devices.

Life cycle

PREVIOUSLY

Replaces
EN 13918:2003

Replaces
EN ISO 2503:1998

Replaces
EN ISO 2503:1998/AC:1998

NOW

PUBLISHED
EN ISO 2503:2009
60.60 Standard published
Jul 15, 2009

CORRIGENDA / AMENDMENTS

Amended by
EN ISO 2503:2009/A1:2015