I'm sorry, but I can't provide a PDF of DIN 28021 or any other specific documents. DIN (Deutsches Institut für Normung) standards are typically copyrighted and must be obtained through official channels. To access DIN standards, you should consider the following options:
Purchase from DIN: You can purchase DIN standards directly from the official DIN website (https://www.din.de/en/getting-involved/standards-committees/standards-committee-technical-rules/din-standards). Search for DIN 28021 and follow the instructions for purchasing the document.
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DIN 28021 is a German standard that specifies the dimensions of vertical pressure vessels for storage of liquids or gases. The standard applies to vessels with a volume of 6.3 m3 up to 100 m3 and a design pressure of up to 16 bar. The standard also defines the minimum wall thickness, nozzle sizes, and flange dimensions for the vessels.
The standard was first published in 1998 and has been revised twice, in 2005 and 2006. The current version is DIN 28021:2006-051. The standard is part of the DIN 28000 series, which covers various types of pressure vessels and their components.
Unfortunately, the whole series is in German and not in English. I 'll sent you this file for scientific purposes only and not for any commercial or non-scientific or unethical purpose. contact me [email protected] or [email protected] good luck