1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Fixed firefighting systems - Gas extinguishing systemsPart 7: Physical properties and system design of gas extinguishing systems for IG-01 extinguishant (ISO 14520-12:2015, modified)BS EN 15004-7:2017National forewordTh
2、is British Standard is the UK implementation of EN 15004-7:2017. It supersedes BS EN 15004-7:2008, which is withdrawn.The CEN common modifications have been implemented at the appropriate places in the text. The start and finish of each common modification is indicated in the text by tags .The UK pa
3、rticipation in its preparation was entrusted to Technical Committee FSH/18/6, Gaseous Extinguishing Media and Systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contr
4、act. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 93871 9ICS 13.220.20Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the auth
5、ority of the Standards Policy and Strategy Committee on 28 February 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 15004-7:2017EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15004-7December 2017ICS 13.220.20 Supersedes EN 15004-7:2008EUROPEAN COMMITTEE
6、FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN Ref. No. EN 15004-7:2017: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersFixed firefighting sy
7、stems - Gas extinguishing systems - Part 7: Physical properties and system design of gas extinguishing systems for IG-01 extinguishant (ISO 14520-12:2015, modified)Installations fixes de lutte contre lincendie - Installations dextinction gaz - Partie 7 : Proprits physiques et conception des systmes
8、pour agent extincteur IG-01 (ISO 14520-12:2015, modifie)Ortsfeste Brandbekmpfungsanlagen - Lschanlagen mit gasfrmigen Lschmitteln - Teil 7: Physikalische Eigenschaften und Anlagenauslegung fr Lschmittel IG-01 (ISO 14520-12:2015, modifiziert)This European Standard was approved by CEN on 25 September
9、2017.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained
10、 on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CEN
11、ELEC Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Ital
12、y, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN 15004-7:2017 (E)European foreword 31 Scope . 42 Normative references 43 Terms and definitions . 44 Characterist
13、ics and uses . 44.1 General . 44.2 Use of IG-01 systems 55 Safety of personnel .76 System design 86.1 Fill pressure . 86.2 Superpressurization . 96.3 Extinguishant quantity . 97 Environmental Properties 92Contents PageBS EN 15004-7:2017EN 15004-7:2017 (E)European forewordThis document (EN 15004-7:20
14、17) has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems”, 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 or by endorsement, at the latest by June 2018, and conflic
15、ting national standards shall be withdrawn at the latest by June 2018.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.This document supersedes EN 1500
16、4-7:2008.The text of the International Standard ISO 14520-12:2015 from Technical Committee ISO/TC 21 “Equipment for fire protection and firefighting” of the International Organization for Standardization (ISO) has been taken over as a European Standard by Technical Committee CEN/TC 191 “Fixed firefi
17、ghting systems”, the secretariat of which is held by BSI, with common modifications which are indicated by a straight line in the margin of the text.This European Standard will consist of the following parts, under the general title Fixed firefighting systems Gas extinguishing systems: Part 1: Desig
18、n, installation and maintenance; Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant; Part 3: Physical properties and system design of gas extinguishing systems for HCFC Blend A extinguishant; Part 4: Physical properties and system design of gas ext
19、inguishing systems for HFC 125 extinguishant; Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant; Part 6: Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant; Part 7: Physical properties and system design of
20、gas extinguishing systems for IG-01 extinguishant; Part 8: Physical properties and system design of gas extinguishing systems for IG-100 extinguishant; Part 9: Physical properties and system design of gas extinguishing systems for IG-55 extinguishant; Part 10: Physical properties and system design o
21、f gas extinguishing systems for IG-541 extinguishant.The International Standards ISO 14520-2 and ISO 14520-11, which dealt with CF3I and HFC 236fa extinguishants, respectively, have not been implemented by CEN, as CF3I is only valid for local application and HFC 236fa extinguishant is only applicabl
22、e for portable fire extinguishers and local application, respectively, which is not covered by the scope.According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croat
23、ia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turke
24、y and the United Kingdom.3BS EN 15004-7:2017EN 15004-7:2017 (E)1 Scope1.1 This document specifies requirements for gaseous fire-extinguishing systems, with respect to the IG-01 extinguishant. It includes details of physical properties, specification, usage and safety aspects.1.2 This document is app
25、licable for systems operating at nominal pressures of 160 bar, 200 bar and 300 bar at 15 C. This does not preclude the use of other systems, although design data for other pressures are not available at this time.2 Normative referencesThe following documents, in whole or in part, are normatively ref
26、erenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 15004-1:2017, Fixed firefighting systems - Gas extinguishing systems -
27、 Part 1: Design, installation and maintenance3 Terms and definitionsFor the purposes of this document, the terms and definitions given in EN 15004-1 apply.4 Characteristics and uses4.1 GeneralExtinguishant IG-01 shall comply with the specification shown in Table 1.IG-01 is a colourless, odourless, e
28、lectrically non-conductive gas at ambient (20 C) temperatures, with a density approximately 1,4 times that of air.The physical properties are shown in Table 2.IG-01 extinguishes fires mainly by a reduction of the oxygen concentration in the atmosphere of the hazard enclosure.Table 1 Specification fo
29、r IG-01Property RequirementPurity 99,9 % by volume, min.Moisture 50 ppm by mass, max.Suspended matter or sediment None visibleTable 2 Physical properties of IG-01Property Units ValueMolecular mass 39,9Boiling point at 1,013 bar (absolute) C 185,9Freezing point C 189,4Critical temperature C 122,3Crit
30、ical pressure bar abs 49,0Critical volume cm3/mol Critical density kg/m35364 BS EN 15004-7:2017EN 15004-7:2017 (E)Property Units ValueVapour pressure 20 C bar abs Liquid density 20 C kg/m3Saturated vapour density 20 C kg/m3Specific volume of superheated vapour at 1,013 bar and 20 Cm3/kg 0,602Chemica
31、l formula ArArgonChemical name4.2 Use of IG-01 systemsIG-01 total flooding systems may be used for extinguishing fires of all classes within the limits specified in EN 15004-1:2017, Clause 4.The extinguishant requirements per volume of protected space are shown in Table 3 for various levels of conce
32、ntration. These are based on methods shown in EN 15004-1:2017, 7.6.The extinguishing concentrations and design concentrations for heptane and surface class A hazards are shown in Table 4.Table 3 IG-01 total flooding quantityTempera-tureT CSpecificvapour volume S Amount of IG-01 per unit volume of pr
33、otected space, V/V (m3/m3)Design concentration (by volume)m3/kg 34 % 38 % 42 % 46 % 50 % 54 % 58 % 62 %40 0,4790 0,522 0,601 0,685 0,775 0,872 0,976 1,091 1,21735 0,4893 0,511 0,588 0,671 0,758 0,853 0,956 1,068 1,19130 0,4996 0,501 0,576 0,657 0,743 0,836 0,936 1,046 1,16725 0,5098 0,491 0,565 0,64
34、4 0,728 0,819 0,917 1,025 1,14320 0,5201 0,481 0,554 0,631 0,714 0,803 0,899 1,005 1,12015 0,5304 0,472 0,543 0,619 0,700 0,787 0,882 0,985 1,09910 0,5406 0,463 0,533 0,607 0,686 0,772 0,865 0,966 1,0785 0,5509 0,454 0,523 0,596 0,674 0,758 0,849 0,948 1,0580 0,5612 0,446 0,513 0,585 0,661 0,744 0,8
35、33 0,931 1,0385 0,5715 0,438 0,504 0,574 0,649 0,731 0,818 0,914 1,02010 0,5817 0,430 0,495 0,564 0,638 0,718 0,804 0,898 1,00215 0,5920 0,423 0,486 0,554 0,627 0,705 0,790 0,883 0,98420 0,6023 0,416 0,478 0,545 0,616 0,693 0,777 0,868 0,96825 0,6126 0,409 0,470 0,536 0,606 0,682 0,764 0,853 0,95130
36、 0,6228 0,402 0,462 0,527 0,596 0,670 0,751 0,839 0,93635 0,6331 0,395 0,455 0,518 0,586 0,659 0,739 0,825 0,92040 0,6434 0,389 0,448 0,510 0,577 0,649 0,727 0,812 0,90645 0,6536 0,383 0,440 0,502 0,568 0,639 0,716 0,799 0,89250 0,6639 0,377 0,434 0,494 0,559 0,629 0,704 0,787 0,87855 0,6742 0,371 0
37、,427 0,487 0,550 0,619 0,694 0,775 0,86460 0,6845 0,366 0,421 0,479 0,542 0,610 0,683 0,763 0,85165 0,6947 0,360 0,414 0,472 0,534 0,601 0,673 0,752 0,8395BS EN 15004-7:2017EN 15004-7:2017 (E)Tempera-tureT CSpecificvapour volume S Amount of IG-01 per unit volume of protected space, V/V (m3/m3)Design
38、 concentration (by volume)m3/kg 34 % 38 % 42 % 46 % 50 % 54 % 58 % 62 %70 0,7050 0,355 0,408 0,465 0,526 0,592 0,663 0,741 0,82775 0,7153 0,350 0,403 0,459 0,519 0,584 0,654 0,730 0,81580 0,7256 0,345 0,397 0,452 0,511 0,575 0,645 0,720 0,80385 0,7358 0,340 0,391 0,446 0,504 0,567 0,636 0,710 0,7929
39、0 0,7461 0,335 0,386 0,440 0,497 0,560 0,627 0,700 0,78195 0,7564 0,331 0,381 0,434 0,491 0,552 0,618 0,691 0,770100 0,7666 0,326 0,376 0,428 0,484 0,545 0,610 0,682 0,760NOTE This information refers only to the product IG-01, and does not represent any other products containing argon as a component
40、.Symbols:V/V is the agent volume requirements (m3/m3); i.e. the quantity (m3) of agent required at a reference temperature of 20 C and a pressure of 1,013 bar per cubic metre of protected volume to produce the indicated concentration at the temperature specified:;whereSRis the specific reference vol
41、ume (m3/kg); i.e. the specific vapour volume at the filling reference temperature for superheated IG-01 vapour at a pressure of 1,013 bar which may be approximated by the formula:SR= k1+ k2 TRwherek1= 0,561 19k2= 0,002 054 5is the reference temperature (C); i.e. filling temperature (20C in the table
42、)V is the net volume of hazard (m3); i.e. the enclosed volume minus the fixed structures impervious to extinguishant;T is the temperature (C); i.e. the design temperature of the protected area;S is the specific volume (m3/kg); the specific volume of superheated IG-01 vapour at a pressure of 1,013 ba
43、r may be approximated by the formula:c is the concentration (%); i.e. the volumetric concentration of IG-01 in air at the temperature indi-cated, and a pressure of 1,013 bar absolute.Table 4 IG-01 reference extinguishing and design concentrations Fuel Extinguishment% by volumeMinimum design% by volu
44、meClass BHeptane (cup burner) Heptane (room test)39,1 39,851,76 BS EN 15004-7:2017EN 15004-7:2017 (E)Fuel Extinguishment% by volumeMinimum design% by volumeSurface Class A Wood Crib 30,7 PMMA 31,6 41,9PP 31,6 ABS 32,2 Higher Hazard Class ASee Note 449,2NOTE 1 The extinguishment values for the Class
45、B and the Surface Class A fuels are determined by testing in accordance with EN 15004-1:2017, Annexes B and C.NOTE 2 The minimum design concentration for the Class B fuel is the higher value of the heptane cup burner or room test heptane extinguishment concen-tration multiplied by 1,3.NOTE 3 The min
46、imum design concentration for Surface Class A fuel is the highest value of the wood crib, PMMA, PP or ABS extinguishment concentrations multi-plied by 1,3. In the absence of any of the 4 extinguishment values, the minimum design concentration for Surface Class A shall be that of Higher Hazard Class
47、A.NOTE 4 Higher-Hazard Class A hazards are those having the characteristics described in the CAUTION statement of EN 15004-1:2017, 7.5.1.3. The minimum design concentration for Higher Hazard Class A fuels shall be the higher of the Surface Class A or 95 % of the Class B minimum design concentration.
48、NOTE 5 See EN 15004-1:2017, 7.5.1.3, for guidance on Class A fuels.NOTE 6 The extinguishing and design concentrations for room-scale test fires are for informational purposes only. Lower and higher extinguishing concentra-tions than those shown for room-scale test fires may be achieved and allowed w
49、hen validated by test reports from internationally recognized laboratories.NOTE Table 5 from ISO 14520-12:2014 has been removed because no data was available to verify the given values.5 Safety of personnelAny hazard to personnel created by the discharge of IG-01 shall be considered in the design of the system.Potential hazards can arise from the following:a) oxygen reduction; andb) the combustion products of the fire.For minimum safety requirements, see EN 15004-1:2017, Clause 5.Physiol
