DIN EN 15004-5-2008 Fixed firefighting systems - Gas extinguishing systems - Part 5 Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant (.pdf

1、September 2008DEUTSCHE NORM English price group 9No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 13.220.20!$Qf“1466799

2、www.din.deDDIN EN 15004-5Fixed firefighting systems Gas extinguishing systems Part 5: Physical properties and system design of gas extinguishingsystems for HFC 227ea extinguishant (ISO 14520-9:2006, modified)English version of DIN EN 15004-5:2008-09Ortsfeste Brandbekmpfungsanlagen Lschanlagen mit ga

3、sfrmigen Lschmitteln Teil 5: Physikalische Eigenschaften und Anlagenauslegung fr Feuerlschmittel HFC227ea (ISO 14520-9:2006, modifiziert)Englische Fassung DIN EN 15004-5:2008-09www.beuth.deDocument comprises 14 pagesDIN EN 15004-5:2008-09 2 National foreword This standard has been prepared by Techni

4、cal Committee CEN/TC 191 “Fixed firefighting systems” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Feuerwehrwesen (Firefighting and Fire Protection Standards Committee), Technical Committee NA 031-03-04 AA Lsch-anlagen mit gasfrm

5、igen Lschmitteln und deren Bauteile. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15004-5 June 2008 ICS 13.220.20 English Version Fixed firefighting systems - Gas extinguishing systems - Part 5: systems for HFC 227ea extinguishant (ISO 14520-9:2006, modified) Installations fixes de lutte con

6、tre lincendie - Installations conception des systmes pour agent extincteur HFC 227ea (ISO 14520-9:2006, modifie) Ortsfeste Brandbekmpfungsanlagen - Lschanlagen mit gasfrmigen Lschmitteln - Teil 5: Physikalische Eigenschaften und Anlagenauslegung fr Feuerlschmittel HFC 227ea (ISO 14520-9:2006, modifi

7、ziert) This European Standard was approved by CEN on 26 April 2008. 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 bibliographica

8、l references concerning such national standards may be obtained on application to the CEN 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

9、member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Ita

10、ly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1

11、050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15004-5:2008: EPhysical properties and system design of gas extinguishing dextinction gaz - Partie 5: Proprits physiques et EN 15004-5:2008 (E) 2 Contents Page Forew

12、ord3 Foreword of ISO 14520-9:2006 5 1 Scope 6 2 Normative references 6 3 Terms and definitions .6 4 Characteristics and uses 6 4.1 General6 4.2 Use of HFC 227ea systems .7 5 Safety of personnel9 6 System design10 6.1 Fill density 10 6.2 Superpressurization 11 6.3 Extinguishant quantity 11 DIN EN 150

13、04-5:2008-09 EN 15004-5:2008 (E) 3 Foreword This document (EN 15004-5:2008) 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

14、identical text or by endorsement, at the latest by December 2008, and conflicting national standards shall be withdrawn at the latest by December 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not b

15、e held responsible for identifying any or all such patent rights. The text of the International Standard ISO 14520-9:2006 from Technical Committee ISO/TC 21 “Equipment for fire protection and fire fighting“ of the International Organization for Standardization (ISO) has been taken over as a European

16、 Standard by Technical Committee CEN/TC 191 “Fixed firefighting 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 fir

17、efighting systems Gas extinguishing systems: Part 1: Design, installation and maintenance (ISO 14520-1, modified) Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant (ISO 14520-5, modified) Part 3: Physical properties and system design of gas exting

18、uishing systems for HCFC Blend A extinguishant (ISO 14520-6, modified) Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 14520-8, modified) Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant (

19、ISO 14520-9, modified) Part 6: Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant (ISO 14520-10, modified) Part 7: Physical properties and system design of gas extinguishing systems for IG-01 extinguishant (ISO 14520-12, modified) Part 8: Physical properties

20、and system design of gas extinguishing systems for IG-100 extinguishant (ISO 14520-13, modified) Part 9: Physical properties and system design of gas extinguishing systems for IG-55 extinguishant (ISO 14520-14, modified) Part 10: Physical properties and system design of gas extinguishing systems for

21、 IG-541 extinguishant (ISO 14520-15, modified) 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 extinguishant is only valid for local DIN EN 15004-5:2008-09 EN 15004-5:2008 (E) 4 appl

22、ication and HFC 236fa extinguishant is only applicable 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 organizations of the following countries are bound to implement thi

23、s European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the

24、United Kingdom. DIN EN 15004-5:2008-09 EN 15004-5:2008 (E) 5 Foreword of ISO 14520-9:2006 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

25、 ISO technical committees. Each member body interested in a subject for which 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 collaborate

26、s 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 2. The main task of technical committees is to prepare International Standards

27、. 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

28、 document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 14520-9 was prepared by Technical Committee ISO/TC 21, Equipment for fire protection and fire fighting, Subcommittee SC 8, Gaseous media and firefighting systems using

29、gas. This second edition cancels and replaces the first edition (ISO 14520-9:2000), which has been technically revised. ISO 14520 consists of the following parts, under the general title Gaseous media fire extinguishing systems Physical properties and system design: Part 1: General requirements Part

30、 2: CF3I extinguishant Part 5: FK-5-1-12 extinguishant Part 6: HCFC Blend A extinguishant Part 8: HFC 125 extinguishant Part 9: HFC 227ea extinguishant Part 10: HFC 23 extinguishant Part 11: HFC 236fa extinguishant Part 12: IG-01 extinguishant Part 13: IG-100 extinguishant Part 14: IG-55 extinguisha

31、nt Part 15: IG-541 extinguishant Parts 3, 4 and 7, which dealt with FC-2-1-8, FC-3-1-10 and HCFC 124 extinguishants, respectively, have been withdrawn, as these types are no longer manufactured. DIN EN 15004-5:2008-09 EN 15004-5:2008 (E) 6 1 Scope This document gives specific requirements for gaseou

32、s fire-extinguishing systems, with respect to the HFC 227ea extinguishant. It includes details of physical properties, specification, usage and safety aspects and is applicable to systems operating at nominal pressures of 25 bar and 42 bar with nitrogen propellant. This does not preclude the use of

33、other systems. 2 Normative references The following referenced documents are indispensable for the application of this document. 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:

34、2008, Fixed firefighting systems Gas extinguishing systems - Design, installation and maintenance (ISO 14520-1, modified) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 15004-1:2008 apply. 4 Characteristics and uses 4.1 General Extinguishant HFC 227e

35、a shall comply with the specification according to Table 1. HFC 227ea is a colourless, almost odourless, electrically non-conductive gas with a density approximately six times that of air. The physical properties are given in Table 2. HFC 227ea extinguishes fires mainly by physical means, but also b

36、y some chemical means. Table 1 Specification for HFC 227ea Property Requirement Purity 99,6 % by mass, min. Acidity 3 106by mass, max. Water content 10 106% by mass, max. Non-volatile residue 0,01 % by mass, max. Suspended matter or sediment None visible DIN EN 15004-5:2008-09 EN 15004-5:2008 (E) 7

37、Table 2 Physical properties of HFC 227ea Property Unit Value Molecular mass 170 Boiling point at 1,013 bar (absolute) C 16,4 Freezing point C 127 Critical temperature C 101,7 Critical pressure bar abs a29,26 Critical volume cm3/mol 274 Critical density kg/m3573 Vapour pressure 20 C bar abs a3,9 Liqu

38、id density 20 C kg/m31 410 Saturated vapour density 20 C kg/m331,035 Specific volume of superheated vapour at 1,013 bar and 20 C m3/kg 0,1374 Chemical formula CF3CHFCF3Chemical name Heptafluoropropane a1 bar = 0,1 MPa = 105Pa; 1 MPa = 1 N/mm2. 4.2 Use of HFC 227ea systems HFC 227ea total flooding sy

39、stems may be used for extinguishing fires of all classes within the limits specified in EN 15004-1:2008, Clause 4. The extinguishant requirements per volume of protected space are given in Table 3 for various levels of concentration. These are based on methods given in EN 15004-1:2008, 7.6. The exti

40、nguishing concentrations and design concentrations for n-heptane and Surface Class A hazards are given in Table 4. DIN EN 15004-5:2008-09 EN 15004-5:2008 (E) 8 Table 3 HFC 227ea total flooding quantity HFC 227ea mass requirements per unit volume of protected space, m/V (kg/m3) This information refer

41、s only to the product HFC-227ea, and does not represent any other products containing 1,1,1,2,3,3,3-heptafluoropropane as a component. Design concentration (by volume) Temperature T C Specific vapour volume S m3/kg 6 % 7 % 8 % 9 % 10 % 11 % 12 % 13 % 14 % 15 % 10 0,1215 0,5254 0,6196 0,7158 0,8142 0

42、,9147 1,0174 1,1225 1,2301 1,3401 1,4527 5 0,1241 0,5142 0,6064 0,7005 0,7967 0,8951 0,9957 1,0985 1,2038 1,3114 1,4216 0 0,1268 0,5034 0,5936 0,6858 0,7800 0,8763 0,9748 1,0755 1,1785 1,2839 1,3918 5 0,1294 0,4932 0,5816 0,6719 0,7642 0,8586 0,9550 1,0537 1,1546 1,2579 1,3636 10 0,1320 0,4834 0,570

43、0 0,6585 0,7490 0,8414 0,9360 1,0327 1,1316 1,2328 1,3364 15 0,1347 0,4740 0,5589 0,6457 0,7344 0,8251 0,9178 1,0126 1,1096 1,2089 1,3105 20 0,1373 0,4650 0,5483 0,6335 0,7205 0,8094 0,9004 0,9934 1,0886 1,1859 1,2856 25 0,1399 0,4564 0,5382 0,6217 0,7071 0,7944 0,8837 0,9750 1,0684 1,1640 1,2618 30

44、 0,1425 0,4481 0,5284 0,6104 0,6943 0,7800 0,8676 0,9573 1,0490 1,1428 1,2388 35 0,1450 0,4401 0,5190 0,5996 0,6819 0,7661 0,8522 0,9402 1,0303 1,1224 1,2168 40 0,1476 0,4324 0,5099 0,5891 0,6701 0,7528 0,8374 0,9239 1,0124 1,1029 1,1956 45 0,1502 0,4250 0,5012 0,5790 0,6586 0,7399 0,8230 0,9080 0,9

45、950 1,0840 1,1751 50 0,1527 0,4180 0,4929 0,5694 0,6476 0,7276 0,8093 0,8929 0,9784 1,0660 1,1555 55 0,1553 0,4111 0,4847 0,5600 0,6369 0,7156 0,7960 0,8782 0,9623 1,0484 1,1365 60 0,1578 0,4045 0,4770 0,5510 0,6267 0,7041 0,7832 0,8641 0,9469 1,0316 1,1183 65 0,1604 0,3980 0,4694 0,5423 0,6167 0,69

46、29 0,7707 0,8504 0,9318 1,0152 1,1005 70 0,1629 0,3919 0,4621 0,5338 0,6072 0,6821 0,7588 0,8371 0,9173 0,9994 1,0834 75 0,1654 0,3859 0,4550 0,5257 0,5979 0,6717 0,7471 0,8243 0,9033 0,9841 1,0668 80 0,1679 0,3801 0,4482 0,5178 0,5890 0,6617 0,7360 0,8120 0,8898 0,9694 1,0509 85 0,1704 0,3745 0,441

47、6 0,5102 0,5803 0,6519 0,7251 0,8000 0,8767 0,9551 1,0354 90 0,1730 0,3690 0,4351 0,5027 0,5717 0,6423 0,7145 0,7883 0,8638 0,9411 1,0202 95 0,1755 0,3638 0,4290 0,4956 0,5636 0,6332 0,7044 0,7771 0,8516 0,9277 1,0057 100 0,1780 0,3587 0,4229 0,4886 0,5557 0,6243 0,6945 0,7662 0,8396 0,9147 0,9916 m

48、/V is the agent mass requirements (kilogram per cubic metre); i.e. mass, m, in kilograms of agent required per cubic metre of protected volume V to produce the indicated concentration at the temperature specified. V is the net volume of hazard (in cubic metre); i.e. the enclosed volume minus the fix

49、ed structures impervious to extinguishant. SVccm=100T is the temperature (in degree Celsius); i.e. the design temperature in the hazard area. S is the specific volume (in cubic metre per kilogram); the specific volume of superheated HFC 227ea vapour at a pressure of 1,013 bar may be approximated by the formula: S = k1+ k2T where k1= 0,1269; k2= 0,000513. c is the concentration (in percent); i.e. the volumetric concentration of HFC 227ea in air at the temperature in