3.3. Marking and labelling

In addition to the CE marking referred to in Articles 18 and 19 and the information to be provided in accordance with Article 6(6) and Article 8(3), the following information shall be provided: for all pressure equipment: the year of manufacture, identification of the pressure equipment according to its nature, such as type, series or batch identification and serial number, essential maximum/minimum allowable limits. depending on the type of pressure equipment, further information necessary for safe installation, operation or use and, where applicable, maintenance and periodic inspection such as: the volume V of the pressure equipment in L, the nominal size for piping DN, the test pressure PT applied in bar and date, safety device set pressure in bar, output of the pressure equipment in kW, supply voltage in V (volts), intended use, filling ratio kg/L, maximum filling mass in kg, tare mass in kg, the fluid group. where necessary, warnings fixed to the pressure equipment drawing attention to misuse which experience has shown might occur. The information referred to in points (a), (b) and (c) shall be given on the pressure equipment or on a dataplate firmly attached to it, with the following exceptions: where applicable, appropriate documentation may be used to avoid repetitive marking of individual parts such as piping components, intended for the same assembly, where the pressure equipment is too small, e.g. accessories, this information may be given on a label attached to that pressure equipment, labelling or other adequate means may be used for the mass to be filled and the warnings referred to in point (c), provided it remains legible for the appropriate period of time.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-02 · Text as adopted (Official Journal); later amendments are not incorporated in this text.