SIST EN 13565-1:2004
(Main)Fixed firefighting systems - Foam systems - Part 1: Requirements and test methods for components
Fixed firefighting systems - Foam systems - Part 1: Requirements and test methods for components
This European Standard specifies requirements for materials, construction, and performance of components intended for use in fixed foam fire fighting systems conforming to EN 13565-2, and using foam concentrates conforming to prEN 1568. Methods of test are given in Annexes A to J. Requirements are also given for the provision of the characteristic data needed for correct application of components.NOTE 1 Unless otherwise stated pressures are gauge pressures expressed in bars.
Orstfeste Brandbekämpfungsanlagen - Schaumlöschanlagen - Teil 1: Anforderungen und Prüfverfahren für Bauteile
Diese Europäische Norm legt Anforderungen für Werkstoffe, Konstruktion und Leistungsmerkmale von Bauteilen fest, die in ortsfesten Schaumlöschanlagen in Übereinstimmung mit EN xxxx-2 bei Verwendung von Schaumkonzentraten nach prEN 1568 eingesetzt werden. Prüfverfahren werden in den Anhängen A bis J aufgeführt. Es werden auch Anforderungen für die Bereitstellung der charakteristischen Angaben beschrieben, die für die korrekte Anwendung der Bauteile erforderlich sind.
Installations fixes de lutte contre l'incendie - Systemes a émulseurs - Partie 1: Exigences et méthodes d'essais relatives aux composants
La présente Norme européenne spécifie les exigences relatives aux matériaux, a la fabrication et aux performances des composants destinés a etre utilisés dans les installations fixes a mousse de lutte contre l'incendie et employant des émulseurs conformes aux EN 1568-1 a 1568-4. Les composants concernés sont les suivants : proportionneurs, pulvérisateurs, tuyaux semi-immergés, lances a mousse, générateurs de mousse bas et moyen foisonnement, générateurs de mousse haut foisonnement, chambres a mousse, réservoirs et récipients sous pression. Les méthodes d'essai sont décrites dans les Annexes A a K.
Elle prescrit également des exigences relatives a l'indication des caractéristiques nécessaires pour une utilisation correcte des composants.
NOTE 1 Sauf indications contraires, les pressions sont des pressions relatives, exprimées en bars.
Les exigences de la présente spécification ne concernent pas, sauf si cela est précisé, l'utilisation de combinaisons de composants pour constituer tout ou partie d'une installation de lutte contre l'incendie.
NOTE 2 Il convient de ne pas considérer que les composants conformes a la présente spécification sont nécessairement compatibles entre eux.
Les exigences relatives aux pompes, moteurs et au fonctionnement des composants mécaniques (par exemple, les tourelles télécommandées) n'entrent pas dans le domaine d'application de cette norme.
Vgrajene naprave za gašenje – Gašenje s peno – 1. del: Zahteve in preskusne metode za sestavne dele
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Vgrajene naprave za gašenje –
Gašenje s peno – 1. del: Zahteve in preskusne metode za sestavne deleOrstfeste Brandbekämpfungsanlagen - Schaumlöschanlagen - Teil 1: Anforderungen und Prüfverfahren für BauteileInstallations fixes de lutte contre l'incendie - Systemes a émulseurs - Partie 1: Exigences et méthodes d'essais relatives aux composantsFixed firefighting systems - Foam systems - Part 1: Requirements and test methods for components13.220.10Gašenje požaraFire-fightingICS:Ta slovenski standard je istoveten z:EN 13565-1:2003SIST EN 13565-1:2004en01-april-2004SIST EN 13565-1:2004SLOVENSKI
STANDARD
SIST EN 13565-1:2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13565-1December 2003ICS 13.220.20English versionFixed firefighting systems - Foam systems - Part 1:Requirements and test methods for componentsInstallations fixes de lutte contre l'incendie - Systèmes àémulseurs - Partie 1: Exigences et méthodes d'essais deséléments constitutifsOrstfeste Brandbekämpfungsanlagen -Schaumlöschanlagen - Teil 1: Anforderungen undPrüfverfahren für BauteileThis European Standard was approved by CEN on 21 November 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13565-1:2003 ESIST EN 13565-1:2004
EN 13565-1:2003 (E)2ContentspageForeword.4Introduction.51Scope.62Normative references.63Terms and definitions.74General construction requirements.94.1Connections.94.2Parts intended for removal during routine field maintenance.104.3Hydrostatic strength.104.4Castings.104.5Corrosion resistance of metal parts.104.6Elastomeric joint rings.114.7Plastics and reinforced resin materials.114.8Heat and fire resistance.125Discharge coefficients and characteristics of branchpipes, sprayers and low and high back-pressure foam generators.125.1Single orifice components.125.2Multiple orifice components.126Quality of foam from aspirating components.126.1Low and medium expansion components.126.2High expansion components.137Accuracy of proportioning components.138Components for low expansion foam systems.138.1Foam branchpipes (hand and monitor).138.2Foam sprayers.138.3Foam pourers and foam chambers.138.4Vapour seals.138.5Low back-pressure and high back-pressure foam generators.148.6Semi-subsurface hose units.149Components for medium and high expansion foam systems.149.1Nozzles and sprayers.149.2High expansion foam generators.1410Tanks and pressure vessels for foam concentrates or solutions.1410.1General.1410.2Tanks at atmospheric pressure.1510.3Pressure vessels.1511Marking.1512Evaluation of conformity.1512.1General.1512.2Initial type testing.1612.3Factory production control (FPC).17Annex A (normative)
Hydrostatic test.21Annex B (normative)
Ageing test for plastics and reinforced resin materials.22B.1General.22B.2Tensile strength and elongation test.22B.3Impact test.22SIST EN 13565-1:2004
EN 13565-1:2003 (E)3Annex C (normative)
Liquid exposure test.23Annex D (normative)
Heat and fire resistance test for foam generators.24Annex E (normative)
Flow tests.25E.1General.25E.2Discharge coefficient.25E.3Discharge characteristic.25Annex F (normative)
Quality of foam from aspirating components.26F.1General.26F.2Low expansion foams.26F.3Medium expansion foams.26F.4High expansion foams.26Annex G (normative)
High expansion foam generator test.27Annex H (normative)
Range tests for branchpipes (hand and monitor).28Annex I (normative)
Area coverage test for foam sprayers and nozzles.29Annex J (normative)
Maximum flow and back pressure.30J.1General.30J.2Maximum flow.30J.3Back pressure.30Annex K (normative)
Insertion and deployment of semi-subsurface hose.31Annex ZA (informative)
Clauses of this European Standard addressing essential requirements or otherprovisions of EU Directives.32SIST EN 13565-1:2004
EN 13565-1:2003 (E)4ForewordThis document (EN 13565-1:2003) has been prepared by Technical Committee CEN /TC 191, "Fixed firefightingsystems" the secretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by June 2004, and conflicting national standards shall be withdrawn at the latest byDecember 2006.Annexes A to K are normative.This document has been prepared under a mandate given to CEN by the European Commission and the EuropeanFree Trade Association, and supports essential requirements of EU Directive 89/106/EEC.For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,Slovakia, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 13565-1:2004
EN 13565-1:2003 (E)5IntroductionThis European Standard covers components intended for use in fixed fire fighting foam systems.SIST EN 13565-1:2004
EN 13565-1:2003 (E)61 ScopeThis European Standard specifies requirements for materials, construction, and performance of componentsintended for use in fixed foam fire fighting systems, and using foam concentrates conforming to EN 1568-1 to EN1568-4. The components covered are: proportioners, sprayers, semi-subsurface hose units, branchpipes,low/medium expansion foam generators, high expansion foam generators, foam chambers, tanks and pressurevessels. Methods of test are given in annexes A to K.Requirements are also given for the provision of the characteristic data needed for correct application ofcomponents.NOTE 1Unless otherwise stated pressures are gauge pressures expressed in bar.The requirements of this specification do not cover, except where stated, the use of combinations of components toform part, or the whole, of a fire fighting system.NOTE 2It should not be assumed that components conforming to this specification are necessarily compatible one withanother.Requirements for pumps, motors and the functioning of mechanical components (i.e. remote control turrets) areoutside the scope of this standard.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 671-1:2001, Fixed firefighting systems - Hose systems - Part 1: Hose reels with semi-rigid hoseEN 1568-1: 2000, Fire extinguishing media - Foam concentrates - Part 1: Specification for medium expansion foamconcentrates for surface application to water-immiscible liquidsEN 1568-2: 2000, Fire extinguishing media - Foam concentrates - Part 2: Specification for high expansion foamconcentrates for surface application to water-immiscible liquidsEN 1568-3: 2000, Fire extinguishing media - Foam concentrates - Part 3 Specification for low expansion foamconcentrates for surface application to water-immiscible liquidsEN 1568-4, Fire extinguishing media - Foam concentrates - Part 4: Specification for low expansion foamconcentrates for surface application to water-miscible liquidsEN 12259-1:1999, Fixed fire fighting systems – Components for sprinkler and water spray systems - Part 1:SprinklersEN 12416-1:2001, Fixed firefighting systems - Powder systems - Part 1: Requirements and test methods forcomponentsEN 12542, Static welded steel cylindrical tanks, serially produced for the storage of Liquified Petroleum Gas (LPG)having a volume not greater than 13 m3 and for installation above ground - Design and manufactureEN 20225, Fasteners - Bolts, screws, studs and nuts – Symbols, designations and dimensions (ISO 225:1983)EN ISO 175, Plastics - Methods of test for the determination of the effects of immersion in liquid chemicals (ISO175:1999)SIST EN 13565-1:2004
EN 13565-1:2003 (E)7EN ISO 179-1Plastics - Determination of Charpy impact properties - Part 1: Non-instrumented impact test (ISO179-1:2000)EN ISO 180Plastics - Determination of Izod impact strength (ISO 180:2000)EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions,tolerances and designation (ISO 228-1:2000)EN ISO 527-1, Plastics - Determination of tensile properties - Part 1: General principles (ISO 527-1:1993 includingCorr 1:1994)EN ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws andstuds (ISO 898-1:1999)EN ISO 4759-1, Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts - Product grades A, B and C (ISO4759-1:2000)EN ISO 9001:2000 Quality management systems – Requirements (ISO 9001:2000)ISO 7-1, Pipe threads where pressure-tight joints are made on the threads - Part
1: Dimensions, tolerances anddesignationISO 272, Fasteners - Hexagon products - Widths across flatsISO 885, General purpose bolts and screws - Metric series - Radii under the headISO 888, Bolts screws and studs - Nominal lengths and thread length for general purpose boltsISO 1179-1, Connections for general use and fluid power - Ports and stud ends with EN ISO 228-1 threads withelastomeric or metal-to-metal sealing - Part 1: Threaded ports (Revision of ISO 1179:1981)ISO 4633, Rubber seals - Joint rings for water supply, drainage and sewerage pipelines - Specification for materialISO 6447, Rubber seals - Joint rings used for gas supply pipes and fittings - Specification for materialISO 6448, Rubber seals - Joint rings used for petroleum product supply pipes and fittings - Specification formaterialISO 7005-1, Metallic flanges; Part 1: Steel flangesISO 7005-2, Metallic flanges; Part 2: Cast iron flangesISO 9227, Corrosion tests in artificial atmospheres; salt spray testsNordtest method NT Fire 0423 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply.3.1aspirating componentcomponent within which air and foam solution are mixed to make foam3.2branchpipecomponent which projects foam in the form of a jet or spraySIST EN 13565-1:2004
EN 13565-1:2003 (E)83.3componentitem or piece of equipment intended for use in a fixed foam fire extinguishing system3.4discharge coefficient (K factor)‘K’ factor for the equation Q = KÖdP where Q is the flow rate through the component in l/min and dp is the inletpressure in bar3.5high back pressure foam generatorcomponent which introduces air into the foam solution stream for delivery against a high back pressure, forexample, as is found in tank sub-surface injection3.6high expansion foamfoam which has an expansion ratio greater than 2003.7foam generatorcomponent which introduces air into the foam solution stream for delivery against a low back pressure, i.e.discharging against atmospheric pressure3.8low expansion foamfoam which has an expansion ratio not greater than 203.9foam chambercomponent that incorporates a vapour seal, a foam expansion chamber, and which delivers foam into a flammableor combustible liquid storage tank. A foam generator may be connected to the foam chamber inlet3.10medium expansion foamfoam which has an expansion ratio greater than 20 but not greater than 2003.11monitorcomponent consisting of a branchpipe and turret3.12non-aspirating componentscomponents which discharge a spray of foam solution so that mixing with air and formation of foam takes placeoutside the component3.13fixed foam pourer (foam discharge outlet)component which discharges foam onto the internal wall of a tankNOTESome pourers are designed to discharge the foam tangentially in order to create a circular motion, and thuspromote foam distribution.3.14proportioning componentcomponent which controls the mixing of foam concentrate into a water flow, at a predetermined ratio, to produce afoam solutionNOTEProportioning components are variously described as inline, bypass and round the pump inductors, injectors,eductors, proportioners, venturis, constant and variable flow valves, orifice plates, water powered foam pumps anddisplacement proportioners.SIST EN 13565-1:2004
EN 13565-1:2003 (E)93.15semi-subsurface hose unitcomponent which delivers foam below the surface of a flammable liquid so that it rises to the liquid surface within aflexible hose and spreads over the liquid surface3.16sprayeropen nozzle which discharges a spray of foam or foam solutionNOTEThe terms sprayer and nozzle are regarded as interchangeable.3.17suppliercompany with or without production facilities for components but responsible for the quality control, conformity andsupply of the components3.18turretdevice on which a foam branchpipe is mounted to allow rotation and elevationNOTEThe requirements for the testing of turrets are outside the scope of this standard.3.19vapour sealfrangible component designed to prevent tank contents vapours entering the foam pipework system while allowingfoam to flow into the tank during system operation3.20working pressurepressure at which the component is used in the system3.21single orifice componentcomponent in which liquid flows through a single flow controlling orifice3.22multiple orifice componentcomponent in which liquid flows simultaneously through more than one flow controlling orifice3.23discharge characteristicpressure vs. flow relationship for components that incorporate pressure regulators and/or by-pass arrangements4 General construction requirements4.1
Connections4.1.1
Permanent connections and jointsPermanent joints on components for connection to pipework or other components shall conform to ISO 7-1, ENISO 228-1, ISO 1179-1, ISO 7005-1 or ISO 7005-2. Other technical specifications valid in the place of use of thecomponent may be acceptable.4.1.2
Hose couplingsHose couplings shall conform to the requirements for delivery hose couplings and connectors as specified by thepurchaser.SIST EN 13565-1:2004
EN 13565-1:2003 (E)104.1.3
Bolting of pressure retaining partsBolts, nuts and/or studs used to fasten pressure retaining parts shall conform to ISO 272, ISO 885, EN ISO 898-1or EN ISO 4759-1.The calculated load on any bolt or stud excluding the force required to compress the gasket shall not exceed theminimum tensile strength specified in EN 20225, ISO 888 or EN ISO 898-1 when the component is pressurised tofour times the rated working pressure.The area of the application of pressure shall be calculated using the following assumptions:a) If a full-face gasket is used, the assumed area of pressure application extends out to the centre line of thebolts.b) If an 'O' ring seal or ring gasket is used, the assumed area of pressure application extends out to the centre ofthe 'O' ring or gasket.4.2
Parts intended for removal during routine field maintenance4.2.1
RemovalParts intended for removal during routine field maintenance shall be accessible, removable, and replaceablewithout damage using appropriate tools normally used by the trade, or special tools recommended by thecomponent supplier.4.2.2
Re-assemblyThe design and construction of any part intended for removal during routine field maintenance shall be such that itcannot be re-assembled so as to cause malfunction of the component, without an external visible indication.4.3
Hydrostatic strength4.3.1
Leak testThe pressure retaining parts of components (including the connection joints), except atmospheric storage tanksand pressure vessels, shall withstand for 10 min without leakage an internal hydrostatic pressure of 1,5 times theworking pressure specified by the supplier 01+ bar, when tested in accordance with annex A.4.3.2
Mechanical strengthThe component housing shall withstand a pressure of three times the design working pressure 01+ bar withoutrupture when tested in accordance with annex A.4.4
CastingsCastings shall not be plugged or filled.NOTECastings should be free from adhering sand and scale. Castings should be impregnated only if agreed between thecasting manufacturer and purchaser.4.5
Corrosion resistance of metal parts4.5.1 General corrosion resistance of metal partsAll mechanical components shall function satisfactorily (see Table 1) after being tested in accordance with ISO9227 and EN 12416-1:2001 annex I.SIST EN 13565-1:2004
EN 13565-1:2003 (E)11For large components the test may be carried out using representative material samples.4.5.2 Copper alloy componentsIf copper alloy components are used the components shall function satisfactorily after being tested in accordancewith EN 12416-1:2001 annex K.For large components the test may be carried out using representative material samples e.g. where the largecomponent comprises a cast and machined component the test piece shall be similarly cast and machined.4.5.3 Internal corrosionOther than the exception below, those parts of components which are exposed to foam concentrate, foam solution,other specific liquids, or to unusual atmospheric conditions shall be resistant to that exposure when tested inaccordance with EN 671-1:2001 annex D.NOTEThe foam concentrate supplier should always be consulted on the suitability of containers and their linings andexternal paint finish, valves, fittings and pipework, for long-term storage of concentrate or solution.This requirement does not apply to components that are exposed to the corrosive media (i.e. foam concentrate orfoam solution) during the limited period of foam discharge.4.6 Elastomeric joint ringsElastomeric joint rings shall conform to the requirements of Type #W of ISO 4633, ISO 6447, or ISO 6448.4.7 Plastics and reinforced resin materials4.7.1 GeneralPlastic or reinforced resin components, which are essential to the operation or safety of the product, shall meet therelevant requirements of 4.7.2 and 4.7.3.4.7.2
Resistance to ageingAfter ageing in accordance with annex B, specimens of plastics and reinforced resin materials (other thanelastomeric joint rings covered in 4.6) used for components shall:a) have a tensile strength changed by no more than 50% of the value before exposure,b) have an elongation at break of not less than 50% of the value before exposure or;c) have an impact strength not less than 50% of the value before exposure (this method is relevant to stiffplastics i.e. flexible plastics shall be evaluated using the tensile test),d) show no signs of cracking.4.7.3
Resistance to exposure to liquidsPlastics and reinforced resin materials which come into contact with foam concentrate, foam solution or water afterexposure to the particular liquid in accordance with annex C shall have:a) a tensile strength not changed by more than 50% of the value before exposure,b) an elongation at break of not less than 50% of the value before exposure, or;c) an impact strength not changed by more than 50% of the value before exposure (this method is relevant to stiffplastics i.e. flexible plastics shall be evaluated using the tensile test),d) no signs of cracking.SIST EN 13565-1:2004
EN 13565-1:2003 (E)124.8
Heat and fire resistance4.8.1
Sprayers and nozzlesSprayers and nozzles shall not show significant deformation or breakage when tested in accordance with the heatresistance test in annex O of EN 12259-1: 1999.4.8.2
Foam generatorsFoam generators intended to be located entirely within the protected (fire) area (i.e. generators that draw air/smokefrom the protected area) shall meet the requirements of clauses 5 and 6 after testing in accordance with annex D.5
Discharge coefficients and characteristics of branchpipes, sprayers and low andhigh back-pressure foam generators5.1
Single orifice componentsThe discharge coefficient or pressure/flow characteristic shall be within ± 5% of the value stated by the supplierwhen measured in accordance with annex E.NOTEThis effectively requires the flow rate to be within ± 5% of that claimed by the supplier.5.2
Multiple orifice components.The discharge coefficient or pressure/flow characteristic shall be within ± 10% of the value stated by the supplierwhen measured in accordance with annex E.NOTEThis effectively requires the flow rate to be within ± 10% of that claimed by the supplier.Where such components may be used in combination with venturi type proportioning components (i.e. injectors,eductors and inductors) the discharge coefficient or characteristic tolerance shall be compatible with that of theproportioning component.6
Quality of foam from aspirating components6.1 Low and medium expansion componentsThe expansion and drainage time of foam produced by an aspirating component in conjunction with any statedassociated equipment, using a foam concentrate recommended by the supplier and conforming to EN 1568-1 toEN 1568-4 shall conform to the supplier stated values when tested in accordance with annex F.The expansion and drainage time of non-aspirated foam may be difficult to measure and therefore there are nocorresponding requirements for non-aspirating components.SIST EN 13565-1:2004
EN 13565-1:2003 (E)136.2 High expansion componentsFoam shall be produced by high ex
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