# Pressure Systems Safety Regulations (Northern Ireland) 2004, Paragraph 24

Extent: N.I.

Any portable fire extinguisher with a working pressure below 25 bar at 60°C and having a total mass not exceeding 23 kilogrammes.

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Source: https://www.legislation.gov.uk/nisr/2004/222/schedule/1/paragraph/24 (the official version)
Page: https://openlegislation.uk/pressure-systems-safety-regulations-northern-ireland-2004/schedule-1/paragraph-24
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.