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preamble_5515

6.7.3.2.8. Shells shall be designed to withstand an external pressure (gauge pressure) of at least 0,4 bar gauge above the internal pressure without permanent deformation. When the shell is to be subjected to a significant vacuum before filling or during discharge it shall be designed to withstand an external pressure of at least 0,9 bar gauge above the internal pressure and shall be proven at that pressure.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-31 · Text as adopted (Official Journal); later amendments are not incorporated in this text.