Portable fire extinguishers - Requirements for the construction, pressure resistance and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar, which comply with the requirements of EN 3-7

Portable fire extinguishers - Requirements for the construction, pressure resistance and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar, which comply with the requirements of EN 3-7

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1   Scope

This document specifies, as far as the pressure risk is concerned, the rules of design, type testing, fabrication and inspection control of portable fire extinguishers with a metallic body which comply with the requirements of EN 3‑7:2004+A1:2007.
This part of EN 3 applies to portable fire extinguishers of which the maximum allowable pressurePS is lower than or equal to 30 bar and containing non-explosive, non-flammable, non-toxic and non-oxidising fluids.
This document also applies to the marking of metallic propellant gas cartridges (see Annex E).
This document does not apply to carbon dioxide fire extinguishers.