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3. Choice of materials
The materials used for internal piping must be suitable for pressure vessels and have a minimum operating temperature lower than or equal to that of the fluid being transferred.
Material grades and associated standards for pressure vessels are defined in building codes.
For example, seamless tubes must be ordered in accordance with standard NF EN 10216-5 for European regulations and according to the ASME B36.19 for US regulations.
The sheet metal used to manufacture welded rolled tubes must comply with standard NF EN 10028 (Sheets for pressure vessels) and not in accordance with the
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Pipestress or CEASAR; software for calculating industrial piping systems according to the major construction codes
Standards and norms
- Tuyauteries en oxygène et systèmes de tuyauterie - EIGA 13/12 -
- Nettoyage des équipements pour le service d'oxygène - EIGA 33/06 -
- Cryogenic containers – Cleanliness - NF EN 12300 - 1999
- Cryogenic containers – Methods for assessing thermal insulation performance - NF EN 12213 - 1999
- Cryogenic containers – Valves for cryogenic use - NF EN 1626 - 2008
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PED 97-23-CE Pressure Equipment Directive
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