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Norm

ÖNORM EN ISO 2503

Issue date: 2016 01 01

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) (consolidated version)

This International Standard specifies requirements for single or two-stage pressure regulators without flowmetering devices for connection to gas cylinders used for - co...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 38 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This International Standard specifies 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 (CO2), for use in welding, cutting and allied processes. It does not cover pressure regulators having a nominal outlet pressure p2 > 20 bar. This International Standard also specifies requirements for single or two-stage pressure regulators with flowmetering 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. This International Standard does not cover pressure regulators intended for direct use on cylinder bundles. Such regulators comply with the safety requirements of ISO 7291, in particular with the adiabatic compression test for oxygen regulators.
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