preamble_5323

Council Directive 96/49/EC of 23 July 1996 on the approximation of the laws of the Member States with regard to the transport of dangerous goods by rail · European Union

6.7.2.9.2. The required pressure-relief device shall be set to start-to-discharge at a nominal pressure of five-sixths of the test pressure for shells having a test pressure of not more than 4,5 bar and 110 % of two-thirds of the test pressure for shells having a test pressure of more than 4,5 bar. After discharge the device shall close at a pressure not more than 10 % below the pressure at which the discharge starts. The device shall remain closed at all lower pressures. This requirement does not prevent the use of vacuum-relief or combination pressure-relief and vacuum-relief devices.

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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.