BS EN 12542:2020 pdf free

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BS EN 12542:2020 pdf free.LPG equipment and accessories – Static welded steel cylindrical pressure vessels,serially produced for the storage of Liquefied Petroleum Gas (LPG) having a volume not greater than 13 m3- Design and manufacture.
BS EN 12542 Materials for pressure parts, other than shells and ends, shall comply with the appropriate harmonized European Standard for the material, or a similar specification which has European materials approval or particular material appraisal.Examples of standards which may be used include EN 10222-2 (Forgings), EN 10216-2 (Seamless tubes),EN 10217 series (Welded tubes) and EN 10273 (Bars).Materials shall also meet the requirements of 4.2.2 and 4.2.3 and 4.2.4.Non-pressure retaining parts that are directly welded to the pressure retaining parts shall be made from suitable materials selected from EN 10025-2:2019 or a material which is compatible with the pressure retaining part material.In all cases, the material shall meet the requirements of 4.2.The welding consumables shall be such that they are capable of giving consistent welds with properties at least equal to those specified for the parent materials of the finished pressure vessel. The welding consumables shall be selected from EN ISO 2560:2009,EN ISO 14171:2016,EN ISO 17632:2015 or EN ISO 636:2017, as appropriate. Suitability of the chosen consumables shall be demonstrated in accordance with 7.7.3.The pressure vessel manufacturer shall obtain inspection documents showing the chemical analysis and details of the mechanical properties of the steel supplied for the construction of the pressure vessel, the documents shall be in accordance with EN 764-5:2014. The documents shall include, or be supplemented by, the material manufacturer’s documented affirmation of compliance to the material specification.Pressure vessel shell thicknesses shall be calculated in accordance with Annex E.No internal corrosion allowance is required for pressure vessels intended to contain LPG which complies with ISO 9162:2013 and is supplied to a national or international standard or other equivalent specification.No external corrosion allowance is required for pressure vessels protected against external corrosion in accordance with Clause 10.The appropriate weld joint cofficient for the material used and the level of non-destructive testing to be adopted shall be selected in accordance with Table 2.BS EN 12542 pdf download.

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