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ONORM EN 13445-3:2021
Unfired pressure vessels - Part 3: Design
This Part 3 of the European Standard specifies the requirements for the design of unfired pressure vessels according to EN 13445-1:2021 and made of steels according to EN 13445-2:2021. EN 13445-5:2021 specifies in Annex C conditions for the construction of access and inspection openings, closures and special closure elements.
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Austrian Standards Institute [on]