07-30154920-DC.pdf

a Date: 23 May 2007 Origin: International Latest date for receipt of comments: 31 August 2007 Project no.: 2006/02297 Responsible committee: FSH/2 Fire extinguishers Interested committees: Title: Draft BS ISO 7165 Fire fighting - Portable fire extinguishers - Performance and constructi on Supersession information: If this document is published as a standard, the UK implementation of it will supersede NONE and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 August 2007. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be sent. See overleaf for information on commenting. 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Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http:/www.bsi-global.com. Direct tel: 0208 996 7061 Responsible Committee Secretary: Miss B Webb (BSI) E-mail: beverley.webbbsi-global.com Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 7.0 DPC: 07/30154920 DC Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on international discussions in which the UK has taken an active part. Your comments on this draft are invited and will assist in the preparation of the consequent standard. Comments submitted will be reviewed by the relevant BSI committee before sending the consensus UK vote and comments to the international secretariat, which will then decide appropriate action on the draft and the comments received. If no comments are received to the contrary, then the UK will approve this draft. If the international standard is approved, it is possible the text will be published as an identical British Standard. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsible Committee Secretary at the address given on the front cover. 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Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delete reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT TO CHANGE AND MAY NOT BE REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH. IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STANDARDS TO WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS. DRAFT INTERNATIONAL STANDARD ISO/DIS 7165 © International Organization for Standardization, 2007 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION ISO/TC 21/SC 2 Voting begins on: 2007-04-03 Secretariat: KATS Voting terminates on: 2007-09-03 Fire fighting Portable fire extinguishers Performance and construction Lutte contre l'incendie Extincteurs portatifs Performances et construction Revision of first edition (ISO 7165:1999) and of ISO 7165:1999/Amd.1:2004 and ISO 7165:1999/Amd.2:2004 ICS 13.220.10 In accordance with the provisions of Council Resolution 15/1993 this document is circulated in the English language only. Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est distribué en version anglaise seulement. To expedite distribution, this document is circulated as received from the committee secretariat. ISO Central Secretariat work of editing and text composition will be undertaken at publication stage. 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Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ISO 7165:1999(E) © ISO 2007 All rights reserved iii Contents Page Foreword.iv 1 Scope2 2 Normative references2 3 Terms and definitions .2 4 Classification of extinguishers 5 5 Extinguishing media, propellants and filling requirements5 6 Pressure requirements for low-pressure extinguishers7 7 General operating performance requirements.7 8 Performances requirements for test fires.21 9 Construction requirements.34 10 Marking and colour48 11 Manuals.51 Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ISO 7165:1999(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for whom a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 7165 was prepared by Technical Committee ISO/TC 21, Equipment for fire protection and fire fighting, Subcommittee SC 2, Manually transportable fire extinguishers. iv © ISO 2007 All rights reserved Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ISO 7165:1999(E) © ISO 2007 All rights reserved 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 3130:1975, Wood Determination of moisture content for physical and mechanical tests. ISO 3941:1977, Classification of fires. ISO 4892-2:1994, Plastics Methods of exposure to laboratory light sources Part 2: Xenon-arc sources. ISO 5923:1989, Fire protection Fire extinguishing media Carbon dioxide. ISO 7202:1987, Fire protection Fire extinguishing media Powder. ISO 7203 (all parts), Fire extinguishing media Foam concentrates. ISO 9227:1990, Corrosion tests in artificial atmospheres Salt spray tests. ISO 14520 (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. Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ISO 7165:1999(E) © ISO 2007 All rights reserved iii 3.1 Classification of fires ISO 3941:1977 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 3.1.5 Class F Fires in cooking appliances that involve combustible cooking media (vegetable or animal oils and fats.) 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) 3.3 extinguishing medium substance contained in the extinguisher that causes extinguishment 3.4 charge of extinguisher mass or volume of the extinguishing medium contained in the extinguisher expressed in volume (litres) for water- based extinguishers and in mass (kilograms) for other extinguishers 3.5 service pressure ps equilibrium pressure developed in a normally charged and pressurized extinguisher conditioned at 20 °C for at least 18 h 3.6 maximum service pressure pms equilibrium pressure developed in a normally charged and pressurized extinguisher which is conditioned at 60 °C for at least 18 h Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:00:56 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ISO 7165:1999(E) © ISO 2007 All rights reserved 3.7 complete discharge point in the discharge of an extinguisher when the internal pressure has equalized with the external pressure, with the valve control being kept fully open 3.