1、BSI Standards PublicationBS 5306-9:2015Fire extinguishinginstallations and equipmenton premises Part 9: Recharging of portable fireextinguishers Code of practicePublishing and copyright informationThe BSI copyright notice displayed in this document indicates when the documentwas last issued. The Bri
2、tish Standards Institution 2015Published by BSI Standards Limited 2015ISBN 978 0 580 85526 9ICS 13.220.10The following BSI references relate to the work on this document:Committee reference FSH/2Draft for comment 14/30295810 DCPublication historyFirst published February 2015Amendments issued since p
3、ublicationDate Text affectedBS 5306-9:2015 BRITISH STANDARDContentsForeword ii1 Scope 12 Normative references 13 Terms and definitions 14 Recharging of extinguishers 25 Evaluation of fitness for further service of extinguishers and actions tobe taken 56 Labelling and documentation 10AnnexesAnnex A (
4、normative) Precautions for charging powder extinguishers 12Bibliography 13List of tablesTable 1 Filling tolerances 3Table 2 Sequence of actions for recharge service procedures forextinguishers 5Table 3 Recharge service actions Initial operations 5Summary of pagesThis document comprises a front cover
5、, an inside front cover, pages i to iv,pages 1 to 14, an inside back cover and a back cover.BRITISH STANDARD BS 5306-9:2015 The British Standards Institution 2015 iForewordPublishing informationThis part of BS 5306 is published by BSI Standards Limited, under licence fromThe British Standards Instit
6、ution, and came into effect on 31 March 2015.It was prepared by Technical Committee FSH/2, Fire extinguishers. A list oforganizations represented on this committee can be obtained on request to itssecretary.SupersessionThis part of BS 5306 supersedes BS 6643-1:1985 and BS 6643-2:1985, which arewithd
7、rawn.Relationship with other publicationsBS 5306 is published in the following parts: Part 0: Guide for selection of installed systems and other fire extinguishingequipment; Part 1: Hose reels and foam inlets; Part 3: Commissioning and maintenance of portable fire extinguishers Code of practice; Par
8、t 4: Specification for carbon dioxide systems; Part 5: Halon systems: Section 5.1: Specification for halon 1301 total flooding systems; Section 5.2: Halon 1211 total flooding systems; Part 8: Selection and positioning of portable fire extinguishers Code ofpractice; Part 9: Recharging of portable fir
9、e extinguishers Code of practice.Information about this documentThis standard is an amalgamation of BS 6643-1:1985 and BS 6643-2:1985. It is afull revision of the standards, and introduces the following principal changes: introduction of verified alternatives; clarification of where new components s
10、hould be used; recognition of changes in BS 5306-3; guidance on the procedures to be followed during the maintenance processof recharging an extinguisher; recognition of changes in relevant legislation.Hazard warningsWARNING. This British Standard calls for the use of substances and/orprocedures tha
11、t can be injurious to health if adequate precautions are nottaken. It refers only to technical suitability and does not absolve the userfrom legal obligations relating to health and safety at any stage.BRITISH STANDARDBS 5306-9:2015ii The British Standards Institution 2015Use of this documentAs a co
12、de of practice, this part of BS 5306 takes the form of guidance andrecommendations. It should not be quoted as if it were a specification andparticular care should be taken to ensure that claims of compliance are notmisleading.Presentational conventionsThe provisions in this standard are presented i
13、n roman (i.e. upright) type.Its recommendations are expressed in sentences in which the principal auxiliaryverb is “should”.Commentary, explanation and general informative material is presented insmaller italic type, and does not constitute a normative element.Where words have alternative spellings,
14、 the preferred spelling of the ShorterOxford English Dictionary is used (e.g. “organization” rather than“organisation”).Contractual and legal considerationsThis publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.Compli
15、ance with a British Standard cannot confer immunity from legalobligations.In particular, attention is drawn to the following statutory regulations and theirassociated Guidance Notes: Regulatory Reform (Fire Safety) Order 2005 1 and associatedGuidance Notes; Fire Safety (Scotland) Regulations 2006 2
16、and associated Guidance Notes; Fire Precautions (Workplace) Regulations (Northern Ireland) 2001 3 andassociated Guidance Notes; Fire (Scotland) Act 2005 4; Fire Safety Regulations (Northern Ireland) 2010 5; Control of Substances Hazardous to Health (COSHH) Regulations 2002 6; Controls on Ozone-Deple
17、ting Substances Regulations(Northern Ireland) 2011 7; Chemical (Hazard Information and Packaging for Supply)Regulations 2002 8; Environmental Protection (Controls on Ozone-Depleting Substances)(Amendment) Regulations 2011 9; Environmental Protection (Controls on Ozone-Depleting Substances)(Northern
18、Ireland) Regulations 2003 10; Health and Safety at Work Act, etc. 1974 11; Health and Safety (Safety Signs and Signals) Regulations 1996 12; Health and Safety (Safety Signs and Signals) Regulations(Northern Ireland) 1996 13; Management of Health and Safety at Work Regulations 1999 14; Management of
19、Health and Safety at Work Regulations(Northern Ireland) 2000 15; Pressure Systems Safety Regulations 2000 16;BRITISH STANDARD BS 5306-9:2015 The British Standards Institution 2015 iii Pressure Systems Safety Regulations (Northern Ireland) 2004 17; Transportable Pressure Vessels Regulations 2001 18;
20、Transportable Pressure Vessels Regulations (Northern Ireland) 2003 19; EC Regulation 1907/2006 20; EC Regulation 1272/2008 21.Attention is also drawn to environmental legislation, especially where thisconcerns the disposal of media that have been replaced during the course of therecharging procedure
21、s given in this part of BS 5306.BRITISH STANDARDBS 5306-9:2015iv The British Standards Institution 20151 ScopeThis part of BS 5306 gives recommendations for the recharging of portable fireextinguishers.This part of BS 5306 also gives recommendations for components, gas cartridges,propellants and ref
22、ill extinguishing media for extinguishers.NOTE Disposable extinguishers are not intended to be recharged and are thereforeoutside the scope of this part of BS 5306.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in thisdocument and are indispensable for
23、 its application. For dated references, onlythe edition cited applies. For undated references, the latest edition of thereferenced document (including any amendments) applies.BS 5306-3, Fire extinguishing installations and equipment on premises Part 3: Commissioning and maintenance of portable fire
24、extinguishers Code of practice1)BS 7863, Recommendations for colour coding to indicate the extinguishingmedia contained in portable fire extinguishersBS EN 3 (all parts), Portable fire extinguishersBS EN ISO 5923, Equipment for fire protection and fire fighting Fire extinguishing media Carbon dioxid
25、e3 Terms and definitionsFor the purposes of this part of BS 5306, the terms and definitions givenin BS 5306-3 and the following apply.3.1 declaration of conformitystatement by the manufacturer and/or supplier of a component or medium thata verified alternative (3.3) is fit for the purpose for which
26、it is to be used andthat it ensures the continued safety, reliability and performance of theextinguisher3.2 rechargingmaintenance procedure carried out after complete or partial discharge of anextinguisher, or as part of a scheduled maintenance procedure, to restore theextinguisher to its operationa
27、l condition3.3 verified alternativecomponent or medium, not specified by the original manufacturer of the fireextinguisher, for which assurance has been provided in the form of a declarationof conformity (3.1)NOTE 1 The reliability of a portable fire extinguisher to perform its functions ondemand is
28、, to a significant degree, governed by the reliability of individualcomponents. In general, it is advisable that all components, such as body, valveassembly and extinguishing medium, conform to the applicable part(s) of theBS EN 3 series. Users of this part of BS 5306 are advised to consider the des
29、irabilityof using verified alternatives that are supported by an accredited third-partycertification body.1)This part of BS 5306 also gives an informative reference to BS 5306-3:2009.BRITISH STANDARD BS 5306-9:2015 The British Standards Institution 2015 1NOTE 2 Where a verified alternative is used,
30、the maintenance supplier isresponsible for the extinguisher and for its subsequent performance as aconsequence of the use of the verified alternative.4 Recharging of extinguishers4.1 GeneralBefore recharging, water-based extinguishers (including foam extinguishers)should be thoroughly washed out wit
31、h clean water, but on no account shouldthis procedure be applied to powder, clean agent or carbon dioxideextinguishers, which have to be kept dry.NOTE Under EC Regulation No. 2037/2000 22 the use of halons as extinguishingmedia is restricted to a limited number of “critical uses” (see BS 5306-3:2009
32、,Annex G).When an extinguisher has been recharged for any reason, the date should berecorded on the extinguishers maintenance label attached to the extinguisher(see Clause 6).4.2 Components and media4.2.1 GeneralComponents and extinguishing media supplied or specified by the manufacturerof the extin
33、guisher, or verified alternatives, should be used to replace thosefound to be unsuitable for continued service. Any medium/component usedshould ensure the continued safety, reliability and performance of theextinguisher.CAUTION. The recharging of an extinguisher, or the replacement of any of itscomp
34、onents in a manner not specified by the original manufacturer (e.g. byusing a verified alternative), can be detrimental to the performance of theextinguisher if not carried out correctly.Where media are found to be below the mass or volume specified, furthermedia should not be added to that containe
35、d in the extinguisher (i.e. toppingup of media is not allowed).The nominal mass/volume of the refill should be equal to the nominalmass/volume as stated in the front label of the extinguisher.Tolerances on the nominal charge should be in accordance with Table 1.4.2.2 Components4.2.2.1 GeneralAll com
36、ponents used in the service procedures of BS 5306-3 and the present partof BS 5306 (i.e. BS 5306-9) should be such as to bring the extinguisher back intoan operational condition. If replacement parts are required (e.g. if the currentpart is defective or missing), the procedures in 4.2.2.2 and 4.2.2.
37、3 should befollowed.4.2.2.2 Pressure-retaining components that require replacementPressure-retaining components should be new and either:a) as specified by the original extinguisher manufacturer; orb) a verified alternative.BRITISH STANDARDBS 5306-9:20152 The British Standards Institution 2015Table
38、1 Filling tolerancesExtinguishing medium Relative tolerance MinimummassMaximum mass%kgkgPowder (kg)1 5 MT + 0.950 MT + 1.0502 3 MT + 1.940 MT + 2.0603 2 MT + 2.940 MT + 3.0604 2 MT + 3.920 MT + 4.0806 2 MT + 5.880 MT + 6.1209 2 MT + 8.820 MT + 9.18012 2 MT + 11.760 MT + 12.240All other media (kg or
39、L)250 MT + 1.900 MT + 2.000350 MT + 1.850 MT + 3.000450 MT + 3.800 MT + 4.000550 MT + 4.750 MT + 5.000650 MT + 5.700 MT + 6.000950 MT + 8.550 MT + 9.000NOTE 1 The figures in this table are taken from BS EN 3-7:2009.NOTE 2 The mass of the empty body (MT) includes all valves, hose and fittingsexcept C
40、O2where the empty mass is measured without discharge horn/hose assembly.4.2.2.3 Non-pressure-retaining components that require replacementNon-pressure-retaining components should be either:a) as specified by the original extinguisher manufacturer, including the reuseof a component from an identical
41、model; orb) a verified alternative.4.3 Gas cartridgesReplacement gas cartridges for water, water-based (including foam) and powderextinguishers should conform to the appropriate part of BS EN 3, and should beof the correct type (coating, thread and shape) and size (capacity, propellantand dimensions
42、).WARNING. Use of incorrect gas cartridges can be detrimental to the correctfunctioning of the extinguisher, and in extreme circumstances could cause theextinguisher to rupture.CAUTION. It is inadvisable to use gas cartridges that have been retested orre-stamped. Use of retested or re-stamped gas ca
43、rtridges can be detrimentalto the correct functioning of the extinguisher. Stamping of the hexagon cancause distortion and affect the seal of the cartridgeGas cartridges should be removed from service if more than 10 years haveelapsed since the date of manufacture.BRITISH STANDARD BS 5306-9:2015 The
44、 British Standards Institution 2015 34.4 Media4.4.1 Water and water-based extinguishers (including water plusadditive, foam and wet chemical)4.4.1.1 Water extinguishersTap water or similar potable water should be used for refilling waterextinguishers.Where an extinguisher was originally charged with
45、 de-ionized water, theextinguisher should be recharged with de-ionized water.4.4.1.2 Water-based extinguishers (including water plus additive, foam andwet chemical)In addition to any additives, tap water or similar potable water should be usedfor refilling water-based extinguishers.If the water-base
46、d extinguisher has an additive for purposes such as corrosioninhibition, freezing point depression, penetration, enhanced wetting, filmformation, etc., the extinguisher manufacturers specified additive or a verifiedalternative should be used.4.4.2 PowderPowder refill charges should be either:a) as o
47、riginally, previously or currently specified by the extinguishermanufacturer; orb) a verified alternative.When charging powder extinguishers, precautions should be taken inaccordance with Annex A.4.4.3 Carbon dioxideCarbon dioxide used to refill extinguishers should conform to BS EN ISO 5923.4.4.4 C
48、lean agentsThe extinguishers should be refilled with the same clean agent as originallyused, where this is permitted by legislation.4.5 PropellantsIn general, the propellant used for recharging should be:a) chemically the same as that used in the original manufacture, with orwithout tracer gas; orb)
49、 chemically the same as that used in the original manufacture but with adifferent tracer gas to facilitate leak detection.Exceptions are as follows:1) where air was used in the original manufacture, nitrogen or air may beused;2) for water-based extinguishers only, where nitrogen was used in the originalmanufacture, nitrogen or air may be used;3) for powder extinguishers only, the moisture content of nitrogen, air orother gas used for recharging shoul
