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About This Item

 

Full Description

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.

 

Document History

  1. ISO 2503:2009

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    viewing


    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)

    • Most Recent
  2. ISO 2503:1998


    Gas welding equipment - Pressure regulators for gas cylinders used in welding, cutting and allied processes up to 300 bar

    • Historical Version
  3. ISO 7292:1997


    Flowmeter regulators used on cylinders for welding, cutting and allied processes - Classification and specifications

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. ISO 2503:2009/Amd1:2015


    - Amendment 1