EN 15004-1:2024
(Main)Fixed firefighting systems - Gas extinguishing systems - Part 1: Design, installation and maintenance (ISO 14520-1:2023, modified)
Fixed firefighting systems - Gas extinguishing systems - Part 1: Design, installation and maintenance (ISO 14520-1:2023, modified)
This document specifies requirements and gives recommendations for the design, installation, testing, maintenance and safety of gas extinguishing systems in buildings, plants or other structures, and the characteristics of the various extinguishants and types of fire for which they are a suitable extinguishing medium.
This document describes total flooding systems primarily related to buildings, plants and other specific applications, utilizing electrically non-conducting gaseous fire extinguishants that do not leave a residue after discharge and for which there are sufficient data currently available to enable validation of performance and safety characteristics by an appropriate independent authority. This document is not applicable to explosion suppression.
This document is not intended to indicate approval of the extinguishants listed therein by the appropriate authorities, as other extinguishants may be equally acceptable. CO2 is not included as it is covered by its own European standard.
This document is applicable to the extinguishants listed in Table 1. This document is intended to be used in conjunction with the given parts of EN 15004 for fire extinguishing agents in Table 1.
Table 1 - Listed extinguishant
[...table not represented...]
Ortsfeste Brandbekämpfungsanlagen - Löschanlagen mit gasförmigen Löschmitteln - Teil 1: Planung, Installation und Instandhaltung (ISO 14520-1:2023, modifiziert)
Dieses Dokument legt Anforderungen fest und gibt Empfehlungen für die Auslegung, Installation, Prüfung, Instandhaltung und Sicherheit von Löschanlagen mit gasförmigen Löschmitteln in Gebäuden, Produk-tionsanlagen oder anderen Bauwerken, sowie die Kenndaten der unterschiedlichen Löschmittel und die Brandarten, für die diese geeignet sind.
Dieses Dokument beschreibt Raumschutzanlagen hauptsächlich für Gebäude, Produktionsanlagen und weitere besondere Anwendungen, bei denen elektrisch nicht leitende, gasförmige Feuerlöschmittel eingesetzt werden, die nach dem Einsatz keinen Rückstand hinterlassen und über die gegenwärtig ausreichend viele Angaben verfügbar sind, so dass eine Validierung ihres Verhaltens und ihrer Sicherheitskenndaten durch eine geeignete, unabhängige zuständige Stelle möglich ist. Dieses Dokument ist nicht anwendbar für die Explosionsunterdrückung.
Dieses Dokument ist nicht dafür vorgesehen, die Zulassung der hierin aufgeführten Löschmittel durch die entsprechenden Behörden anzugeben, da weitere Löschmittel gleichermaßen anwendbar sein können. CO2 ist nicht enthalten, da es in einer eigenen Europäischen Norm behandelt wird.
Dieses Dokument ist anwendbar für die in Tabelle 1 aufgeführten Löschmittel. Dieses Dokument ist dafür vorgesehen, in Verbindung mit den in Tabelle 1 für die jeweiligen Feuerlöschmittel angegebenen Teilen von EN 15004 angewendet zu werden.
Installations fixes de lutte contre l'incendie - Installations d'extinction à gaz - Partie 1 : Calcul, installation et maintenance (ISO 14520-1:2023, modifée)
Le présent document spécifie des exigences et donne des recommandations pour la conception, l’installation, les essais, la maintenance et la sécurité des installations d’extinction à gaz dans les bâtiments, les usines et autres structures. Elle aborde également les caractéristiques des différents agents extincteurs et les types d’incendies pour lesquels ces agents sont des agents extincteurs appropriés.
Le présent document décrit des systèmes de noyage total principalement destinés aux bâtiments, aux usines et autres applications spécifiques qui utilisent des agents extincteurs gazeux non conducteurs de l’électricité et qui ne laissent aucun résidu après émission et pour lesquels il existe actuellement suffisamment de données pour permettre à une autorité indépendante appropriée de valider les caractéristiques de performance et de sécurité. Le présent document ne s’applique pas à la suppression des explosions.
Le présent document n’est pas destiné à indiquer l’approbation par les autorités compétentes des agents extincteurs énumérés, dans la mesure où d’autres agents extincteurs peuvent être tout aussi acceptables. Le CO2 n’est pas inclus, dans la mesure où il est couvert par une Norme européenne spécifique.
Le présent document est applicable aux agents extincteurs répertoriés dans le Tableau 1. Il est prévu que le présent document soit utilisé conjointement avec les parties fournies de l’EN 15004 relatives aux agents extincteurs du Tableau 1.
Tableau 1 - Liste des agents extincteurs
...
Vgrajeni gasilni sistemi - Sistemi za gašenje s plinom - 1. del: Načrtovanje, vgradnja in vzdrževanje (ISO 14520-1:2023, spremenjen)
Ta dokument določa zahteve in podaja priporočila za načrtovanje, vgradnjo, preskušanje, vzdrževanje in varnost sistemov za gašenje s plinom v stavbah, obratih ali drugih zgradbah ter značilnosti različnih gasil in vrst požarov, za katere so primerno sredstvo za gašenje.
Ta dokument opisuje celotne poplavne sisteme, ki so povezani predvsem s stavbami, obrati in z drugimi posebnimi načini uporabe ter uporabljajo električno neprevodna sredstva za gašenje s plinom, ki po izpustu ne puščajo ostankov in za katere je trenutno na voljo dovolj podatkov, ki ustreznemu neodvisnemu organu omogočajo potrditev delovanja in varnosti. Ta dokument se ne uporablja za zadušenje eksplozije.
Ta dokument ne pomeni, da ustrezni organi odobravajo sredstva za gašenje, navedena v njem, saj so lahko druga sredstva za gašenje enako sprejemljiva. CO2 ni vključen, ker je obravnavan v svojem evropskem standardu.
Ta dokument se uporablja za sredstva za gašenje, navedena v preglednici 1. Ta dokument je treba uporabljati skupaj z določenimi deli standarda EN 15004 za sredstva za gašenje iz preglednice 1.
Preglednica 1 – Navedeno sredstvo za gašenje
[... preglednica ni prikazana ...]
General Information
- Status
- Published
- Publication Date
- 10-Dec-2024
- Technical Committee
- CEN/TC 191 - Fixed firefighting systems
- Drafting Committee
- CEN/TC 191/WG 6 - Gas extinguishing Systems and components
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 11-Dec-2024
- Due Date
- 19-Dec-2024
- Completion Date
- 11-Dec-2024
Relations
- Effective Date
- 18-Jan-2023
Overview
EN 15004-1:2024 - Fixed firefighting systems - Gas extinguishing systems - Part 1: Design, installation and maintenance (ISO 14520-1:2023, modified) is the CEN standard that sets out requirements and recommendations for design, installation, testing, commissioning, maintenance and safety of gas-based fixed firefighting systems. It covers total‑flooding systems using electrically non‑conducting gaseous extinguishants that discharge without leaving residue, for use in buildings, plants and other enclosures. The standard excludes CO2 (covered separately) and does not apply to explosion suppression systems.
Keywords: EN 15004-1:2024, fixed firefighting systems, gas extinguishing systems, gas suppression, ISO 14520-1:2023.
Key topics and technical requirements
- Scope and limitations - types of extinguishants covered, exclusions (CO2, explosion suppression), altitude and temperature limits.
- Safety and human protection - hazards to personnel, warnings, evacuation, occupiable vs unoccupiable areas, electrical earthing and electrostatic discharge controls.
- System design - extinguishant supply, container arrangement, storage, piping, supports, valves, nozzles and pressure components.
- Hydraulic and performance calculations - balanced/unbalanced systems, friction and pressure drop, flow calculations, discharge time and duration of protection.
- Extinguishant concentration - flame extinguishment and inerting requirements, total‑flooding quantities, liquefied vs non‑liquefied gas specifics, altitude adjustment.
- Detection, actuation and controls - automatic detection, manual actuation, control panels, alarms, stop/hold‑off devices and remote monitoring.
- Commissioning and acceptance testing - enclosure checks, mechanical/electrical inspections, functional tests, completion certificates and documentation.
- Inspection, maintenance and training - routine inspection schedules, service requirements, record keeping and operator training.
- Normative annexes - working documents and methods for determining extinguishment performance.
Practical applications
EN 15004-1 is intended for use in: data centers, telecommunications rooms, archives, clean rooms, laboratories, industrial plants, control rooms and other spaces where residue‑free gas suppression is required. It is especially relevant for enclosures where electrical equipment or sensitive assets would be damaged by water.
Who should use this standard
- Fire protection engineers and system designers
- Installation contractors and service organizations
- Facility managers, safety officers and maintenance teams
- Certification bodies, insurers and regulatory authorities
- Architects and consultants specifying fixed firefighting systems
Related standards
- Other parts of EN 15004 for specific extinguishing agents (refer to Table 1 in the standard)
- ISO 14520 series (basis for EN 15004-1:2024)
Using EN 15004-1:2024 ensures compliant, safe and effective design and lifecycle management of total‑flooding gas extinguishing systems in European jurisdictions.
Frequently Asked Questions
EN 15004-1:2024 is a standard published by the European Committee for Standardization (CEN). Its full title is "Fixed firefighting systems - Gas extinguishing systems - Part 1: Design, installation and maintenance (ISO 14520-1:2023, modified)". This standard covers: This document specifies requirements and gives recommendations for the design, installation, testing, maintenance and safety of gas extinguishing systems in buildings, plants or other structures, and the characteristics of the various extinguishants and types of fire for which they are a suitable extinguishing medium. This document describes total flooding systems primarily related to buildings, plants and other specific applications, utilizing electrically non-conducting gaseous fire extinguishants that do not leave a residue after discharge and for which there are sufficient data currently available to enable validation of performance and safety characteristics by an appropriate independent authority. This document is not applicable to explosion suppression. This document is not intended to indicate approval of the extinguishants listed therein by the appropriate authorities, as other extinguishants may be equally acceptable. CO2 is not included as it is covered by its own European standard. This document is applicable to the extinguishants listed in Table 1. This document is intended to be used in conjunction with the given parts of EN 15004 for fire extinguishing agents in Table 1. Table 1 - Listed extinguishant [...table not represented...]
This document specifies requirements and gives recommendations for the design, installation, testing, maintenance and safety of gas extinguishing systems in buildings, plants or other structures, and the characteristics of the various extinguishants and types of fire for which they are a suitable extinguishing medium. This document describes total flooding systems primarily related to buildings, plants and other specific applications, utilizing electrically non-conducting gaseous fire extinguishants that do not leave a residue after discharge and for which there are sufficient data currently available to enable validation of performance and safety characteristics by an appropriate independent authority. This document is not applicable to explosion suppression. This document is not intended to indicate approval of the extinguishants listed therein by the appropriate authorities, as other extinguishants may be equally acceptable. CO2 is not included as it is covered by its own European standard. This document is applicable to the extinguishants listed in Table 1. This document is intended to be used in conjunction with the given parts of EN 15004 for fire extinguishing agents in Table 1. Table 1 - Listed extinguishant [...table not represented...]
EN 15004-1:2024 is classified under the following ICS (International Classification for Standards) categories: 13.220.20 - Fire protection. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 15004-1:2024 has the following relationships with other standards: It is inter standard links to EN 15004-1:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 15004-1:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2025
Nadomešča:
SIST EN 15004-1:2019
Vgrajeni gasilni sistemi - Sistemi za gašenje s plinom - 1. del: Načrtovanje,
vgradnja in vzdrževanje (ISO 14520-1:2023, spremenjen)
Fixed firefighting systems - Gas extinguishing systems - Part 1: Design, installation and
maintenance (ISO 14520-1:2023, modified)
Ortsfeste Brandbekämpfungsanlagen - Löschanlagen mit gasförmigen Löschmitteln -
Teil 1: Planung, Installation und Instandhaltung (ISO 14520-1:2023, modifiziert)
Installations fixes de lutte contre l'incendie - Installations d'extinction à gaz - Partie 1 :
Calcul, installation et maintenance (ISO 14520-1:2023, modifée)
Ta slovenski standard je istoveten z: EN 15004-1:2024
ICS:
13.220.10 Gašenje požara Fire-fighting
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 15004-1
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2024
EUROPÄISCHE NORM
ICS 13.220.20 Supersedes EN 15004-1:2019
English Version
Fixed firefighting systems - Gas extinguishing systems -
Part 1: Design, installation and maintenance (ISO 14520-
1:2023, modified)
Installations fixes de lutte contre l'incendie - Ortsfeste Brandbekämpfungsanlagen - Löschanlagen
Installations d'extinction à gaz - Partie 1 : Calcul, mit gasförmigen Löschmitteln - Teil 1: Planung,
installation et maintenance (ISO 14520-1:2023, Installation und Instandhaltung (ISO 14520-1:2023,
modifée) modifiziert)
This European Standard was approved by CEN on 4 November 2024.
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 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-CENELEC 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15004-1:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 9
Introduction . 11
1 Scope . 12
2 Normative references . 13
3 Terms and definitions . 13
4 Use and limitations . 17
4.1 General. 17
4.2 Extinguishants . 18
4.2.1 General. 18
4.2.2 Environmental properties . 18
4.3 Electrostatic discharge. 18
4.4 Compatibility with other extinguishants . 18
4.5 Temperature limitations . 19
5 Safety . 19
5.1 Hazard to personnel . 19
5.2 Safety precautions . 20
5.2.1 General. 20
5.2.2 For normally occupied areas . 20
5.2.3 For normally unoccupied areas . 22
5.2.4 For unoccupiable areas. 22
5.3 Occupiable areas . 22
5.4 Electrical hazards . 23
5.5 Electrical earthing . 24
5.6 Electrostatic discharge. 24
6 System design . 24
6.1 General. 24
6.2 Extinguishant supply . 24
6.2.1 Quantity . 24
6.2.2 Quality . 25
6.2.3 Container arrangement . 25
6.2.4 Storage containers . 25
6.3 Distribution . 26
6.3.1 General. 26
6.3.2 Piping . 27
6.3.3 Fittings . 28
6.3.4 Pipe and valve supports . 28
6.3.5 Valves . 29
6.3.6 Nozzles . 29
6.3.7 Pressure reducing orifice assembly . 30
6.4 Detection, actuation and control systems . 30
6.4.1 General. 30
6.4.2 Automatic detection . 30
6.4.3 Operating devices . 31
6.4.4 Control equipment . 31
6.4.5 Operating alarms and indicators . 32
6.4.6 Stop / hold off devices . 32
7 Extinguishant system design . 32
7.1 General . 32
7.2 Specifications, plans and approvals . 33
7.2.1 Specifications . 33
7.2.2 Working documents . 33
7.3 System flow calculations . 33
7.3.1 General . 33
7.3.2 Balanced and unbalanced system . 33
7.3.3 Friction losses . 35
7.3.4 Pressure drop . 35
7.3.5 Elevation change . 36
7.3.6 Valves and fittings . 36
7.3.7 Piping length . 36
7.3.8 Drawings . 36
7.3.9 Liquefied gases — Specific requirements . 36
7.4 Enclosures . 36
7.5 Effects of noise . 37
7.6 Extinguishant concentration requirements . 37
7.6.1 Flame extinguishment . 37
7.6.2 Inerting . 39
7.7 Total flooding quantity . 39
7.7.1 General . 39
7.7.2 Liquefied gases . 39
7.7.3 Non-liquefied gas . 39
7.8 Altitude adjustment . 40
7.9 Duration of protection . 41
7.10 System performance . 41
7.10.1 Discharge time . 41
7.10.2 Extended discharge . 41
8 Commissioning and acceptance . 42
8.1 General . 42
8.2 Tests . 42
8.2.1 General . 42
8.2.2 Enclosure check . 42
8.2.3 Review of mechanical components . 42
8.2.4 Review of enclosure integrity . 43
8.2.5 Review of electrical components . 43
8.2.6 Preliminary functional tests . 45
8.2.7 System functional operational test . 45
8.2.8 Remote monitoring operations (if applicable) . 45
8.2.9 Control panel primary power source . 46
8.2.10 Completion of functional tests . 46
8.3 Completion certificate and documentation . 46
9 Inspection, maintenance, testing and training . 46
9.1 General . 46
9.2 Inspection . 46
9.2.1 General . 46
9.2.2 Container . 47
9.2.3 Hose . 47
9.2.4 Enclosures . 47
9.3 Maintenance . 47
9.3.1 General. 47
9.3.2 User’s programme of inspection . 47
9.3.3 Service schedule . 48
9.4 Training . 48
Annex A (normative) Working documents . 49
A.1 General. 49
A.2 Working documents . 49
A.3 Specific details . 50
A.3.1 Pre-engineered systems . 50
A.3.2 Engineered systems . 50
Annex B (normative) Determination of flame-extinguishing concentration of gaseous
extinguishants by the cup burner method . 51
B.1 General. 51
B.2 Principle . 51
B.3 Requirements for apparatus. 51
B.3.1 General. 51
B.3.2 Cup . 52
B.3.3 Chimney . 52
B.3.4 Diffuser . 52
B.3.5 Fuel supply . 53
B.3.6 Manifold . 53
B.3.7 Air supply . 53
B.3.8 Extinguishant supply . 53
B.3.9 Delivery system . 53
B.4 Requirements for materials . 53
B.4.1 Air . 53
B.4.2 Fuel . 53
B.4.3 Extinguishant . 53
B.5 Procedure for flammable liquids . 53
B.6 Procedure for flammable gases . 54
B.7 Extinguishant extinguishing concentration . 55
B.7.1 Preferred method . 55
B.7.2 Alternative method . 55
B.8 Reporting of results . 56
Annex C (normative) Fire extinguishment/area coverage fire test procedure for engineered
and pre-engineered extinguishing units . 58
C.1 Requirements . 58
C.2 Type of test and report of test results . 58
C.2.1 Type of test . 58
C.2.2 Reporting of test results . 59
C.3 Extinguishing system . 61
C.4 Extinguishing concentration . 62
C.4.1 Extinguishing agent concentration . 62
C.4.2 Cold discharge test . 63
C.5 Nozzle distribution verification tests . 64
C.5.1 Nozzle minimum height/maximum area coverage test. 64
C.5.1.1 Test facility . 64
C.5.1.2 Fuel specification . 69
C.5.1.3 Test procedure . 70
C.5.1.4 Determination of distribution performance of the nozzle . 71
C.5.1.5 Reporting of test results . 71
C.5.2 Nozzle maximum height test . 71
C.5.2.1 Test facility . 71
C.5.2.2 Fuel specification . 72
C.5.2.3 Test procedure . 72
C.5.2.4 Determination of distribution performance of the nozzle . 72
C.5.2.5 Reporting of test results . 72
C.6 Extinguishing concentration tests . 73
C.6.1 Wood crib test . 73
C.6.1.1 Test facility . 73
C.6.1.2 Fuel specification . 76
C.6.1.3 Test procedure . 78
C.6.1.4 Determination of design extinguishant concentration . 79
C.6.1.5 Reporting of test results . 79
C.6.2 Heptane pan test . 80
C.6.2.1 Test facility . 80
C.6.2.2 Fuel specification . 80
C.6.2.3 Test procedure . 80
C.6.2.4 Determination of design extinguishant concentration . 80
C.6.2.5 Reporting of test results . 81
C.6.3 Polymeric sheet fire test . 81
C.6.3.1 Test facility . 81
C.6.3.2 Fuel specification . 81
C.6.3.3 Test procedure . 85
C.6.3.4 Determination of design extinguishant concentration . 87
C.6.3.5 Reporting of test results . 87
Annex D (normative) Method of evaluating inerting concentration of a fire extinguishant . 88
D.1 General. 88
D.2 Principle . 88
D.3 Apparatus . 88
D.4 Procedure . 88
D.5 Inerting concentration . 89
Annex E (normative) Door fan test for determining of minimum hold time . 90
E.1 General. 90
E.2 Test for determination of predicted hold time . 90
E.2.1 Principle . 90
E.2.2 Apparatus . 91
E.2.3 Calibration and accuracy of apparatus . 91
E.2.3.1 Fan unit . 91
E.2.3.2 Pressure measuring devices . 91
E.2.3.3 Temperature measuring devices . 91
E.2.4 Preliminary preparation . 91
E.2.5 Evaluation of enclosure . 92
E.2.5.1 General. 92
E.2.5.2 Mixing during hold time . 92
E.2.6 Measurement of enclosure . 92
E.2.6.1 Standard enclosures without continuous mixing . 92
E.2.6.2 Non-standard enclosures without continuous mixing . 93
E.2.6.3 Enclosures of any shape with continuous mixing . 93
E.2.6.4 Opening for mounting the fan unit . 93
E.2.7 Test procedure . 93
E.2.7.1 Preparation . 93
E.2.7.2 Setting up the door fan unit . 94
E.2.7.3 Measurement of bias pressure during fan testing (P ) . 94
bt
E.2.7.4 Measurement of leakage rate . 95
E.2.7.5 Field calibration check . 95
E.2.7.6 Measurement of bias pressure under hold time conditions (P ) . 96
bh
E.2.8 Calculation . 97
E.2.8.1 Selection of appropriate hold time equation . 97
E.2.8.2 Symbols . 97
E.2.8.3 Depressurisation and pressurisation leakage characteristics . 99
E.2.8.4 Column pressures . 100
E.2.8.5 Average leakage characteristics. 102
E.2.8.6 Correlation and simplifying constants . 102
E.2.8.7 Predicted hold time: standard enclosures without continuous mixing . 103
E.2.8.8 Predicted hold time: enclosures of any shape with continuous mixing . 104
E.2.8.9 Predicted hold time for non-standard enclosures without continuous mixing. 104
E.3 Treatment of enclosures with predicted hold times less than the recommended value
................................................................................................................................................................ 105
E.3.1 General . 105
E.3.2 Leakage areas . 105
E.3.3 Improved sealing of the enclosure . 106
E.3.4 Quantification and location of leaks . 106
E.3.4.1 General . 106
E.3.4.2 Second calculation of hold time . 106
E.3.4.3 Method of estimating F . 106
E.3.4.4 Final calculation of hold time . 107
E.4 Report . 107
Annex F (informative) System performance verification. 109
Annex G (informative) Safe personnel exposure guidelines . 110
G.1 General . 110
G.2 Safety . 110
G.3 Hazards to personnel — Potential hazards . 110
G.3.1 Agent itself . 110
G.3.2 Noise . 110
G.3.3 Turbulence . 110
G.3.4 Low temperature . 110
G.4 Halocarbon agents . 111
G.4.1 Toxicity of halocarbons (liquefied gases) . 111
G.4.2 PBPK model . 112
G.4.3 Safe exposure guidelines for halocarbons . 113
G.4.3.1 Any unnecessary exposure to halocarbon clean agents, even at NOAEL concentrations,
and to halocarbon decomposition products shall be avoided. The requirements for
pre-discharge alarms and time delays are intended to prevent human exposure to
agents. . 113
G.4.4 Effects of impurities on safe use . 115
G.5 Inert gas (non-liquefied gas) . 116
G.5.1 Physiological effects of inert gas agents . 116
G.5.2 Safe exposure guidelines for inert gas agents . 116
Annex H (informative) Flow calculation implementation method and flow calculation
verification and testing for approvals . 118
H.1 General. 118
H.2 Calculation method implementation . 118
H.3 Minimum accuracy recommendations . 119
H.4 Recommended testing procedure for system flow calculation method (software)
validation . 119
H.4.1 General. 119
H.4.1.1 Method 1 . 119
H.4.1.2 Method 2 — Modular validation process for calculation software . 120
H.4.2 System design for testing . 120
H.5 Pass/fail criteria . 121
Annex I (informative) Scaling factors for Class B fuels other than heptane . 122
I.1 Scope . 122
I.2 Requirements in accordance with Annex C . 122
I.3 Proposed scaling factor method . 122
I.4 Procedure . 122
Annex J (normative) Criteria for assessment of new extinguishants for inclusion in the
EN 15004 series . 123
J.1 Scope . 123
J.2 Checklist . 123
Bibliography . 126
European foreword
This document (EN 15004-1:2024) 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 2025, and conflicting national standards shall be
withdrawn at the latest by June 2025.
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 15004-1:2019.
In comparison with the previous edition, the following technical modifications have been made:
— the Scope has been extended to cover an additional agent, halocarbon blend 55;
— the extinguishants from EN 15004-3 (HCFC Blend A, HCFC 123, HCFC 22 and HCFC 124) has been
deleted from the Scope, Table 1 as EN 15004-3 was withdrawn;
— subclause 5.2.1 has been amended to require upper limit threshold concentrations to be established
or any impurity that could result in acute toxicity at concentrations below the cardiac sensitization
NOAEL of the agent. Subclause G.4.4 has also been
...
Die Norm EN 15004-1:2024 bietet umfassende Anforderungen und Empfehlungen für das Design, die Installation, die Prüfung, die Wartung und die Sicherheit von gasbasierten Löschsystemen in unterschiedlichen Gebäuden und Anlagen. Besonders hervorzuheben ist der Fokus auf totale Überschwemmungssysteme, die in spezifischen Anwendungen eingesetzt werden und umweltfreundliche, elektrisch nicht leitende Löschgase nutzen, die nach der Entladung keine Rückstände hinterlassen. Diese Eigenschaften machen die Norm besonders relevant für moderne Sicherheitsstandards in der Brandschutztechnik. Ein wesentlicher Stärke der Norm liegt in der detaillierten Beschreibung der verschiedenen Feuerlöscher und der Arten von Bränden, für die diese als geeignet gelten. Die Norm ermöglicht es, die Leistung und Sicherheitsmerkmale der Löschgase durch unabhängige Autoritäten zu validieren, was eine große Bedeutung für die Sicherheit in gewerblichen und industriellen Umgebungen hat. Darüber hinaus wird in der Norm klargestellt, dass die aufgeführten Löschmittel nicht automatisch von den zuständigen Behörden genehmigt sind, was eine flexible Anwendung ermöglicht und auch anderen geeigneten Löschmitteln Raum gibt, berücksichtigt zu werden. Ein weiterer positiver Aspekt ist die klare Identifizierung von Löschmitteln, die den spezifischen Anforderungen genügen, wie in Tabelle 1 der Norm angeführt. Dies gewährleistet eine gezielte Auswahl von Löschmitteln, die den branchenüblichen Standards entsprechen. Die Verknüpfung dieser Norm mit anderen Teilen von EN 15004 schafft eine konsistente Grundlage für die Anwendung und Implementierung von Löschmitteln, was die Praktikabilität und Relevanz der Norm für Fachleute in der Branche erhöht. Insgesamt ist die EN 15004-1:2024 ein unverzichtbares Dokument für die Entwicklung und den Betrieb von gasbasierten Löschanlagen, das sowohl die Sicherheit als auch die Effizienz in der Brandbekämpfung fördert.
The standard EN 15004-1:2024 provides a comprehensive framework for the design, installation, testing, maintenance, and safety of gas extinguishing systems. Its primary focus is on total flooding systems utilized within buildings, plants, and various other specific applications. By specifying requirements and offering practical recommendations, this standard serves to enhance the efficacy and safety of gas extinguishing systems. One of the key strengths of EN 15004-1:2024 is its emphasis on utilizing electrically non-conducting gaseous fire extinguishants that do not leave any residue post-discharge. This is particularly critical in environments where residue might compromise equipment or necessitate additional cleanup efforts. Furthermore, the standard's recommendation for gases supported by sufficient data for performance and safety validation enhances confidence among stakeholders, by ensuring that these systems can be tailored to diverse fire risks effectively. The categorization of the extinguishants, as outlined in Table 1, allows professionals to make informed choices when selecting suitable extinguishing mediums. This reflects the document's relevance to practitioners in fire safety and design, as it provides clarity on accepted extinguishant types while acknowledging that other extinguishants outside those listed may also be permissible. Notably, the exclusion of CO2, which is covered by its own European standard, further clarifies the scope of EN 15004-1:2024, guiding professionals toward compliant selections. Additionally, the document advises on the interoperability with its related standards within the broader EN 15004 series, which reinforces its integrative approach to fire safety management. Overall, EN 15004-1:2024 stands out as a vital reference for ensuring the effective implementation of gas extinguishing systems, demonstrating relevance across diverse applications while supporting fire safety professionals in maintaining rigorous standards of safety and performance.
EN 15004-1:2024は、固定消火システムに関する重要な標準であり、特にガス消火システムに焦点を当てています。この標準は、建物、プラント、その他の構造物内でのガス消火システムの設計、設置、試験、保守、安全に関する要件を明確に定義しており、その重要性は計り知れません。 この文書の強みは、完全浸漬システムに関する詳細なガイダンスを提供している点です。特に、電導性のない気体消火剤を使用し、 discharge 後に残留物を残さないことが求められる用途に適しています。これにより、消火システムのパフォーマンスと安全性を確認できる十分なデータを持つことが保証されています。また、適切な独立機関によって検証されることが促されているため、信頼性が高いといえます。 さらに、EN 15004-1:2024は、爆発抑制に適用されないことを明記しており、誤解を避ける一助となっています。消火剤のリストも提供されており、これに基づいて適切な消火剤を選択することが可能です。これは、ユーザーが消火剤を選定する際の指針として役立ち、特定の火災に対する適切な消火手段を提供します。 また、文書内で言及されている内容の整合性と見やすさは、設計者や技術者にとって利用しやすいものとなっており、実務においてもすぐに適用できる形式が採用されています。全体として、EN 15004-1:2024は、ガス消火システムに関する最新の情報と技術を反映しており、現在および将来の火災安全基準において重要な役割を果たすでしょう。この標準は、特にガス消火システムの運用やメンテナンスに関連する分野で、専門家にとって欠かせないリソースです。
EN 15004-1:2024 표준은 고정 화재 진압 시스템의 가스 소화 시스템에 대한 디자인, 설치, 유지 관리 및 안전 요구 사항을 명확히 규명하고 있으며, 이는 건물, 시설 및 기타 구조물에서의 가스 소화 시스템의 적용에 매우 중요한 기준입니다. 이 표준은 가스 소화제가 방출 후 잔여물을 남기지 않으며, 전기적으로 비전도성인 특성을 갖는 완전 침수 시스템에 중점을 두고 있습니다. 이 문서의 강점은 다양한 소화제와 그 적용 대상 화재의 특성을 상세히 설명함으로써, 적절한 독립 기관에 의한 성능 및 안전성 검증을 가능하게 한다는 점입니다. 따라서 설계자와 설치자는 입증된 데이터를 바탕으로 가스 소화 시스템을 효과적으로 구현할 수 있습니다. 특히, 이 표준은 화재 진압제에 대한 EN 15004의 해당 부분과 함께 사용하도록 설계되어 있어, 보다 포괄적인 접근 방식을 가능하게 합니다. EN 15004-1:2024 문서는 특정 응용 프로그램에 대한 것이므로, 폭력 억제와 같은 다른 용도에 대해서는 적용되지 않음을 명확히 하고 있습니다. 이는 소화제의 사용 및 승인에 대한 혼란을 줄여 줍니다. 또한, 문서에 나열된 소화제들은 Table 1에서 확인할 수 있으며, 현행 표준에 의해 검토된 것이라는 점에서 신뢰성을 높입니다. 이러한 이유로, EN 15004-1:2024는 가스 소화 시스템을 설계하고 설치하고자 하는 분야에서 매우 중요하며, 안전하고 효과적인 화재 진압 시스템의 구현을 위한 필수 문서로 자리잡고 있습니다.
La norme EN 15004-1:2024 constitue un cadre essentiel pour la conception, l'installation, le test, la maintenance et la sécurité des systèmes d'extinction d'incendie à gaz dans les bâtiments, usines et autres structures. Son large champ d'application s'étend aux systèmes d'inondation totale utilisant des extincteurs à gaz non conducteurs, garantissant l'absence de résidus après décharge. Cette caractéristique renforce la pertinence de la norme dans des environnements sensibles, où la propreté et la sécurité sont primordiales. Parmi ses forces, cette norme se distingue par des recommandations précises et des exigences rigoureuses qui contribuent à la validation des performances et des caractéristiques de sécurité par des organismes indépendants appropriés. Cela favorise une confiance accrue des utilisateurs finaux, qui peuvent s'appuyer sur des données suffisantes pour évaluer l'efficacité des différents agents extincteurs. En outre, l’exclusion du CO2, traité par sa propre norme européenne, souligne un effort vers une spécificité et une précision dans le traitement des différents types d’agents extincteurs. La norme ne vise pas à approuver les agents extincteurs listés, ouvrant ainsi la voie à d'autres extincteurs potentiellement acceptables. Cette approche flexible renforce la pertinence de la norme en permettant aux utilisateurs de choisir les meilleures solutions adaptées à leurs besoins spécifiques. De plus, l'intégration des systèmes d'extinction à gaz dans le cadre plus large de la norme EN 15004 bénéfice à une meilleure compréhension et interaction entre différents agents extincteurs. En résumé, la norme EN 15004-1:2024 s'affirme comme un document clé pour les professionnels du secteur, offrant des informations critiques sur des systèmes de sécurité incendie, et garantissant un haut niveau de conformité et de sécurité dans le domaine des systèmes d'extinction d'incendie à gaz.
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