Bs en iso 2009




















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. Check out our FAQs. Buy this standard. This standard was last reviewed and confirmed in Therefore this version remains current. ISO 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 bar 30 MPa , and carbon dioxide CO 2 , for use in welding, cutting and allied processes.

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