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015004.10_EN-en_2009 | International Organization For Standardization | Gases
015004.10_EN-en_2009
ΕΛΟΤ EN 15004.10
Μόνιµα συστήµατα πυρόσβεσης - Συστήµατα κατάσβεσης µε αέριο - Μέρος 10: Φυσικές
ιδιότητες και σχεδιασµός συστηµάτων µε κατασβεστικό υλικό IG-541 (ISO 14520-15:2005,
τροποποιηµένο)
Fixed firefighting systems - Gas extinguishing systems - Part 10: Physical properties and
system design of gas extinguishing systems for IG-541 extinguishant (ISO 14520-15:2005,
Κλάση Τιµολόγησης: 5
as a Hellenic Standard.A. Το πρότυπο αυτό διατίθεται στην Αγγλική.ΕΛΟΤ EN 15004. ή Γαλλική ή Γερµανική γλώσσα από τον Ελληνικό Oργανισµό Τυποποίησης Α.10 Εθνικός Πρόλογος National Foreword Αυτό είναι το Φύλλο Επικύρωσης του εγκεκριµένου Ευρωπαϊκού Προτύπου This Endorsement Sheet ratifies the approval of European Standard EN 15004-10 : 2008 EN 15004-10 : 2008 ως Ελληνικού Προτύπου. .Ε. This standard is available in English. French or German from the Hellenic Organization for Standardization S.
Sweden. Slovakia. Spain. Poland.Löschanlagen mit gasförmigen Löschmitteln . Hungary. No. Germany. Lithuania.EUROPEAN STANDARD EN 15004-10 NORME EUROPÉENNE EUROPÄISCHE NORM June 2008 ICS 13. Belgium. Finland.20 English Version Fixed firefighting systems .Gas extinguishing systems . Romania. CEN members are the national standards bodies of Austria. Luxembourg. modifiée) Ortsfeste Brandbekämpfungsanlagen . Italy. German). Portugal. Iceland. Bulgaria. Ireland. modified) Installations fixes de lutte contre l'incendie .Partie 10 : Propriétés physiques et conception des systèmes pour agent extincteur IG-541 (ISO 14520-15:2005. Malta. Cyprus. Norway. France.Installations d'extinction à gaz . B-1050 Brussels Ref. This European Standard exists in three official versions (English. French.Teil 10: Physikalische Eigenschaften und Anlagenauslegung für Feuerlöschmittel IG-541 (ISO 14520-15:2005. 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 Management Centre has the same status as the official versions. Slovenia. Denmark. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. 36 © 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Czech Republic. 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. Netherlands.220. EN 15004-10:2008: E .Part 10: Physical properties and system design of gas extinguishing systems for IG-541 extinguishant (ISO 14520-15:2005. Switzerland and United Kingdom. Estonia. modifiziert) This European Standard was approved by CEN on 26 April 2008. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart. Greece. Latvia.
............................................................................................................................................................................................................................................3 Foreword of ISO 14520-15:2005 ........7 5 Safety of personnel..........................................................................................................................5 1 Scope .1 6..........................................................................................................6 Use of IG-541 systems ..................................................................................................9 6 6......................6 3 Terms and definitions ................................................................................................................6 4 4............................................................................3 System design...........10 Fill pressure........................................................................................................14 Extinguishant quantity .........................................................................................................................................................10 Superpressurization .....................................................................................14 2 ..............................................................................................................................................................................................6 General....................................................................................................................................................................2 Characteristics and uses .......................................2 6..................6 2 Normative references ..............................1 4....................................................................................................................................EN 15004-10:2008 (E) Contents Page Foreword......
under the general title Fixed firefighting systems – Gas extinguishing systems:  Part 1: Design. installation and maintenance (ISO 14520-1. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. The text of the International Standard ISO 14520-15:2005 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 Standard by Technical Committee CEN/TC 191 "Fixed firefighting systems". modified)  Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant (ISO 14520-8. This European Standard will consist of the following parts. and conflicting national standards shall be withdrawn at the latest by December 2008. modified)  Part 2: Physical properties and system design of gas extinguishing systems for FK-5-1-12 extinguishant (ISO 14520-5. This European Standard shall be given the status of a national standard. respectively.EN 15004-10:2008 (E) Foreword This document (EN 15004-10:2008) has been prepared by Technical Committee CEN/TC 191 “Fixed firefighting systems”. have not been implemented by CEN. modified)  Part 7: Physical properties and system design of gas extinguishing systems for IG-01 extinguishant (ISO 14520-12. with common modifications which are indicated by a straight line in the margin of the text. modified)  Part 6: Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant (ISO 14520-10. either by publication of an identical text or by endorsement. the secretariat of which is held by BSI. modified)  Part 3: Physical properties and system design of gas extinguishing systems for HCFC Blend A extinguishant (ISO 14520-6. modified) The International Standards ISO 14520-2 and ISO 14520-11. modified)  Part 5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant (ISO 14520-9. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. 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 IG-541 extinguishant (ISO 14520-15. modified)  Part 8: Physical properties and system design of gas extinguishing systems for IG-100 extinguishant (ISO 14520-13. as CF3I extinguishant is only valid for local 3 . which dealt with CF3I and HFC 236fa extinguishants. the secretariat of which is held by BSI. at the latest by December 2008.
Poland. Greece. Lithuania. Belgium. Norway. Portugal. Netherlands.EN 15004-10:2008 (E) application and HFC 236fa extinguishant is only applicable for portable fire extinguishers and local application. 4 . Slovakia. Bulgaria. Slovenia. which is not covered by the scope. Sweden. Iceland. Cyprus. France. Finland. Malta. Germany. respectively. According to the CEN/CENELEC Internal Regulations. Latvia. Czech Republic. Estonia. the national standards organizations of the following countries are bound to implement this European Standard: Austria. Luxembourg. Denmark. Ireland. Italy. Spain. Romania. Hungary. Switzerland and the United Kingdom.
Equipment for fire protection and fire fighting. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. ISO 14520 consists of the following parts. as these types are no longer manufactured. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. This second edition cancels and replaces the first edition (ISO 14520-15:2000). have been withdrawn.EN 15004-10:2008 (E) Foreword of ISO 14520-15:2005 ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). under the general title Gaseous media fire extinguishing systems — Physical properties and system design:  Part 1: General requirements  Part 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 extinguishant  Part 15: IG-541 extinguishant Parts 3. 4 and 7. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. International organizations. which has been technically revised. ISO shall not be held responsible for identifying any or all such patent rights. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. respectively. in liaison with ISO. which dealt with FC-2-1-8. 5 . Part 2. FC-3-1-10 and HCFC 124 extinguishants. The main task of technical committees is to prepare International Standards. The work of preparing International Standards is normally carried out through ISO technical committees. governmental and non-governmental. ISO 14520-15 was prepared by Technical Committee ISO/TC 21. Subcommittee SC 8. also take part in the work. Gaseous media and firefighting systems using gas. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives.
For dated references. This does not preclude the use of other systems. IG-541 extinguishes fires by a reduction of the oxygen concentration in the atmosphere of the hazard enclosure. EN 15004-1:2008.1 General Extinguishant IG-541 shall comply with the specification according to Table 1. It is an inert gas mixture consisting nominally of 52 % nitrogen.6 % to 8. IG-541 is a colourless. only the edition cited applies. b) Argon: range of 37. modified) 3 Terms and definitions For the purposes of this document. the latest edition of the referenced document (including any amendments) applies.8 %. For undated references. NOTE Individual container or batch analysis is based on carbon dioxide measurement only. specification. It includes details of physical properties. c) Nitrogen: range of 48. with respect to the IG-541 extinguishant. odourless. 6 . however. the terms and definitions given in EN 15004-1:2008 apply. installation and maintenance (ISO 14520-1.8 % to 55. 40 % argon and 8 % carbon dioxide. Fixed firefighting systems – Gas extinguishing systems . usage and safety aspects and is applicable to systems operating at nominal pressure of 150 bar. The physical properties are given in Table 2.2 % to 42. 200 bar and 300 bar at 15 °C. electrically non-conductive gas with a density approximately the same as that of air.4 %. with the following mixture specification (based on 8 % carbon dioxide with tolerance of 5 %): a) Carbon dioxide: range of 7. design data for other pressures were not available at time of publication. 2 Normative references The following referenced documents are indispensable for the application of this document.Design.EN 15004-10:2008 (E) 1 Scope This document gives specific requirements for gaseous fire-extinguishing systems.2 %. 4 Characteristics and uses 4.
Use of IG-541 systems IG-541 total flooding systems may be used for extinguishing fires of all classes within the limits specified in EN 15004-1:2008.5 % by volume. max. CO. max. The extinguishant requirements per volume of protected space are shown in Table 3 for various levels of concentration.697 N2 52 % by volume Ar 40 % by volume CO2 8 % by volume Nitrogen Chemical names Argon Cabon dioxide a 4. min. 5 × 10–6 by mass.2 1 bar = 0.EN 15004-10:2008 (E) Table 1 — Specification for IG-541 Property Requirement Purity Argon Nitrogen Carbon dioxide 99. Most are < 20 × 10–6. max. max. Water content 4 × 10–6 by mass. min.99 % by volume. max. Other measurements may include hydrocarbons.997 % by volume. Table 2 — Physical properties of IG-541 Property Unit Value Molecular mass — 34. These are based on methods given in EN 15004-1:2008.013 bar (absolute) a °C − 196 Freezing point °C − 78. Clause 4. NO2. 99.013 bar and 20 °C m3/kg Chemical formulas 0. 3 × 10–6 by mass. 7 .5 Critical temperature °C — Critical pressure bar abs a — Critical volume cm3/mol — Critical density kg/m3 — Vapour pressure 20 °C bar abs a 152 Liquid density 20 °C kg/m3 — Saturated vapour density 20 °C kg/m3 — Specific volume of superheated vapour at 1. 99.0 Boiling point at 1.1 MPa = 105 Pa. max. Only principal contaminants are shown. 7. 10 × 10–6 by mass. 1 MPa = 1 N/mm2. Oxygen 3 × 10–6 by mass. min. 10 × 10–6 by mass. The extinguishing concentrations and design concentrations for n-heptane and Surface Class A hazards are given in Table 4. NO.6.
446 0.564 0.742 0.542 0.486 0.453 0.777 0.423 0.392 0.421 0.6460 0.793 0.966 0.441 0.560 0.852 0.630 0.669 0.954 0.716 0.935 0.649 0.574 0.527 0.618 0.812 0.341 0.189 1.494 0.948 0.551 0.402 0.376 0.610 0.532 0.921 0. k2 = 0. filling temperature (20 °C in the table).5743 0.564 0.593 0.727 0.790 0.906 0.764 0.699 0.462 0.504 0.577 0.463 0.487 0. and a pressure of 1.522 0.827 0.502 0. and may not represent any other products containing argon.601 0.852 0.066 1.559 0.670 0.6819 0.576 0.485 0.721 0. .684 0.673 0. i.459 0.505 0.694 0.782 0.914 1. i.936 35 40 45 50 55 0.7416 0.553 0.397 0.386 0.705 0.e.818 0.002239. i.361 0.8492 0.804 0.490 0.6341 0.776 0.336 0.089 1.e.430 0.498 0.7297 0.643 0.409 0.545 0.5863 0.527 0.800 0. T Specific vapour volume S °C m3/kg 34 % 38 % 42 % 46 % 50 % 54 % 58 % 62 % – 40 – 35 – 30 – 25 – 20 0.636 0.038 1.513 0.8253 0.470 0.553 0.521 0.500 0.951 0.480 0.377 0.019 10 15 20 25 30 0.395 0.711 0.731 0.434 0.975 0.471 0.639 0.865 60 65 70 75 80 0.511 0.415 0.882 0.434 0.629 0.403 0.848 0.5982 0.214 1.554 0.6699 0.656 0.481 0.682 0.519 0.898 1.510 0.536 0.717 0. TR is the reference temperature (in degrees Celsius).595 0. c 8 is the concentration (in percent).568 0.65799. the enclosed volume minus the fixed structures impervious to extinguishant.611 0.543 0. m= V  100  ⋅ In   S  100 − c  V T is the net volume of hazard (in cubic metres).389 0.e.568 0. the volumetric concentration of IG-541 in air at the temperature indicated.383 0. nitrogen or carbon dioxide as components.881 0.730 0.518 0.727 0.616 0.660 0.001 0.606 0.853 0.600 0.575 0.584 0.839 1.7655 0.6102 0.409 0.535 0.931 0.804 85 90 95 100 0.345 0. V/V (m3/m3) This information refers only to IG-541.013 bar may be approximated by S = k1 + k 2 ⋅ T .693 0.8611 0.8014 0.664 0.7177 0.705 0.586 0.606 0.984 0.355 0.440 0. the quantity Q (in cubic metres) of agent required at a reference temperature of 20 °C and a pressure of 1.512 0.545 0.495 0.013 bar absolute.e.878 0.751 0.371 0.701 0.984 0.916 0.023 1.773 0.628 0.692 0.786 0.892 0.596 0.e. S is the specific volume (in cubic metres per kilogram).5624 0.772 0.455 0.898 0.8372 0.446 0.7058 0.EN 15004-10:2008 (E) Table 3 — IG-541 total flooding quantity Temperature IG-541 volume requirements per unit volume of protected space.826 0.868 0.8133 0.366 0.744 0.491 0.013 bar per cubic metre of protected volume to produce the indicated concentration at the temperature specified: QR = m ⋅ S R where SR is the specific reference volume (in cubic metres per kilogram). the specific vapour volume at the filling reference temperature for superheated IG-541 vapour at a pressure of 1.833 0.968 0.098 1.448 0.619 0.e.834 0.870 0.713 0.057 1.655 0.8970 0.587 0.620 0.077 1.627 0.787 0.864 0.802 0.772 0. the specific volume of superheated IG-541 vapour at a pressure of 1. the design temperature in the hazard area. i.7536 0.6938 0.119 – 15 – 10 – 5 0 5 0.003 1.757 0.327 0.8731 0.684 0.6221 0.686 0.466 0.416 0.739 0.818 0. i.044 1.764 0.683 0.753 0.478 0.013 bar which may be approximated by the formula: S R = k1 + k 2 ⋅ TR where k1 = 0. is the temperature (in degrees Celsius).7894 0.473 0.645 0.757 0.454 0.427 0.438 0.661 0.584 0. i.742 0.840 0.674 0.350 0.381 0.7775 0.429 0.649 0.638 0.761 Design concentration (by volume) V/V is the agent volume requirement (in cubic metres per cubic metre).8850 0.165 1.142 1.816 0.331 0.6580 0.
The minimum design concentration for Surface Class A fuel is the highest value of the wood crib. In the absence of any of the 4 extinguishment values.9 45. Physiological information for IG-541 is given in Table 5.7 a 39.6 30. 5 Safety of personnel Any hazard to personnel created by the discharge of IG-541 shall be considered in the design of the system.1 Class B Heptane (cup burner) Heptane (room test) Surface Class A Wood crib PMMA PP ABS Higher Hazard Class A 28.2 30.3. PP or ABS extinguishment concentrations multiplied by 1. The minimum design concentration for the Class B fuel is the higher value of the heptane cup burner or room test heptane extinguishment concentration multiplied by 1. 9 .EN 15004-10:2008 (E) Table 4 — IG-541 reference extinguishing and design concentrations Fuel Extinguishment % by volume Minimum design % by volume 31.7 The extinguishment values for the Class B and the Surface Class A fuels are determined by testing in accordance with EN 15004-1:2008. b) the combustion products of the fire. Annexes B and C.7 37. by oxygen reduction.1. Lower and higher extinguishing concentrations than those shown for room-scale test fires may be achieved and allowed when validated by test reports from internationally recognized laboratories. the minimum design concentration for Surface Class A shall be that of Higher Hazard Class A.3.3. a 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.0 48. Clause 5. PMMA. see EN 15004-1:2008. 7. For minimum safety requirements. Potential hazards can arise from the following: a) the extinguishant itself.7 30. The extinguishing and design concentrations for room-scale test fires are for informational purposes only. for guidance on Class A fuels. See EN 15004-1:2008.5.
These values are the functional equivalents of NOAEL and LOAEL values. The relationships between pressure and temperature are shown in Figures 1. and correspond to 12 % minimum oxygen for the no-effect level and 10 % minimum oxygen for the low-effect level. 2 and 3.EN 15004-10:2008 (E) Table 5 — Physiological information for IG-541 Property Value % by volume No observed adverse effect level (NOAEL) 43 Lowest observed adverse effect level (LOAEL) 52 These values are based on physiological effects in human subjects of hypoxic atmospheres.1 System design Fill pressure The fill pressure of the container shall not exceed the values given in Tables 6. Other pressures may be used and the minimum design pressure specified accordingly. 6 6. 200 bar at 15 °C and 300 bar 15 °C. respectively. 10 . 7 and 8 for systems operating at 150 bar at 15 °C.
Table 8 — Storage container characteristics for IG-541 — 300 bar Property Filling pressure at 15 °C Maximum container working pressure at 50 °C Unit Value bar a 300 a 360 bar Reference should be made to Figure 3 for further data on pressure/temperature relationships.EN 15004-10:2008 (E) Table 6 — Storage container characteristics for IG-541 — 150 bar Property Unit Value Filling pressure at 15 °C bar a 150 Maximum container working pressure at 50 °C bar a 175 Reference should be made to Figure 1 for further data on pressure/temperature relationships. a 1 bar = 0. a 1 bar = 0.1 MPa = 105 Pa. 1 MPa = 1 N/mm2.1 MPa = 105 Pa. 11 . 1 MPa = 1 N/mm2.1 MPa = 105 Pa. Table 7 — Storage container characteristics for IG-541 — 200 bar Property Unit Value Filling pressure at 15 °C bar a 200 Maximum container working pressure at 50 °C bar a 235 Reference should be made to Figure 2 for further data on pressure/temperature relationships. a 1 bar = 0. 1 MPa = 1 N/mm2.
EN 15004-10:2008 (E) Key X Y temperature. °C pressure. bar Figure 1 — Temperature/pressure graph for IG-541 pressurized to 150 bar at 15 °C 12 .
EN 15004-10:2008 (E) Key X temperature. °C Y pressure. bar Figure 2 — Temperature/pressure graph for IG-541 pressurized to 200 bar at 15 °C 13 .
while seeking advice from the relevant authority. including a 1. 6. °C pressure. 14 .2 Superpressurization Containers for IG-541 are not superpressurized. 7.3 safety factor on the extinguishing concentration.EN 15004-10:2008 (E) Key X Y temperature. The design concentrations shall be those specified for relevant hazards in Table 4. determined using Table 3 and the method according to EN 15004-1:2008. bar Figure 3 — Temperature/pressure graph for IG-541 pressurized to 300 bar at 15 °C 6. Consideration should be given to increasing this for particular hazards.3 Extinguishant quantity The quantity of extinguishant shall be the minimum required to achieve the design concentration within the hazard volume at the minimum expected temperature.6.
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