Historical

ISO 2503:1998

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

This International Standard specifies requirements for single or two-stage pressure regulators for connections to gas cylinders normally used for compressed gases up to 300 bar1) (30 MPa), for dissolved acetylene, for liquefied petroleum gases (LPG), methylacetylene-propadiene-mixtures (MPS) and carbon dioxide (CO2) used in welding, cutting and allied processes.

1) 300 bar relates to maximum cylinder charging pressure at 15 °C.

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International Organization for Standardization [iso]

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