ISO 7165 pdf download

ISO 7165 pdf download.Fire fighting — Portable fire extinguishers — Performance and construction 1 Scope This International Standard specifies the principal requirements intended to ensure the safety, reliability and performance of portable fire extinguishers. It is applicable to a fully charged extinguisher having a maximum mass of 20 kg. NOTE In some cases, extinguishers having a total mass of up to 25 kg when fully charged may be approved, subject to local acceptance. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 31 30:1 975, Wood — Determination of moisture content for physical and mechanical tests . ISO 3941 :1 977, Classification of fires . ISO 4892-2:1 994, Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc sources . ISO 5923:1 989, Fire protection — Fire extinguishing media — Carbon dioxide . ISO 7202:1 987, Fire protection — Fire extinguishing media — Powder. ISO 7203 (all parts), Fire extinguishing media — Foam concentrates . ISO 9227:1 990, Corrosion tests in artificial atmospheres — Salt spray tests . ISO 1 4520 (all parts), Gaseous fire-extinguishing systems — Physical properties and system design . 3 Terms and definitions For the purposes of this International Standard, the following terms and definitions apply. 3.1 Classification of fires [ISO 3941 :1 977] 3.1.1 Class A fires involving solid materials, usually of an organic nature, in which combustion normally takes place with the formation of glowing embers 3.1.2 Class B fires involving liquids or liquefiable solids 3.1.3 Class C fires involving gases 3.1.4 Class D fires involving metals 3.2 portable extinguisher portable appliance containing an extinguishing medium which may be discharged and directed onto a fire by the action of internal pressure; discharge may be achieved by: ? stored pressure (constant pressurization of the extinguishing media container); ? cartridge operated [pressurization at the time of use by the release of a pressurizing gas stored in a separate high pressure container (cartridge)]...