1 Scope
This International Standard specifies requirements and test methods for pressure regulators in manifold systems used in welding, cutting, and allied processes for:
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a) compressed gases up to 30 MPa1) (300 bar);
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b) dissolved acetylene;
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c) liquefied petroleum gases (LPG);
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d) methylacetylene-propadiene-mixtures (MPS);
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e) carbon dioxide (CO2).
It is not applicable to pressure regulators fitted directly to the gas cylinders, as defined in ISO 2503[2].