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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)

Publication date:   Jul 2, 2009

General information

90.93 Standard confirmed   Oct 15, 2020

ISO

ISO/TC 44/SC 8 Equipment for gas welding, cutting and allied processes

International Standard

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

WITHDRAWN
ISO 7292:1997

WITHDRAWN
ISO 2503:1998

NOW

PUBLISHED
ISO 2503:2009
90.93 Standard confirmed
Oct 15, 2020

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 2503:2009/Amd 1:2015