SIST EN 15004-1:2025
(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
Relations
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
SIST EN 15004-1:2025 is a standard published by the Slovenian Institute for Standardization (SIST). 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...]
SIST EN 15004-1:2025 is classified under the following ICS (International Classification for Standards) categories: 13.220.10 - Fire-fighting; 13.220.20 - Fire protection. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 15004-1:2025 has the following relationships with other standards: It is inter standard links to SIST EN 15004-1:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase SIST EN 15004-1:2025 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 SIST 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 SIST EN 15004-1:2025 stellt ein wesentliches Dokument für die Sicherheitsstandards in Bezug auf feste Feuerlöschsysteme dar, insbesondere für Gasanlagensysteme. Der Geltungsbereich dieser Norm umfasst die Anforderungen und Empfehlungen zur Planung, Installation, Prüfung, Wartung und Sicherheit von Gaslöschsystemen in Gebäuden, Anlagen und anderen Strukturen. Dies ist besonders relevant für Fachleute, die sich mit dem Design und der Implementierung von Brandschutzsystemen befassen. Ein wesentlicher Stärke dieser Norm ist ihre detaillierte Beschreibung der Gesamtlösungsanlagen, die hauptsächlich auf spezifische Anwendungen in Gebäuden und Anlagen zugeschnitten sind. Die Verwendung von elektrisch nicht leitenden gasförmigen Löschmitteln, die nach der Entladung keine Rückstände hinterlassen, ist ein weiterer Vorteil. Diese Eigenschaft trägt zur Sicherheit und Effizienz der Löschsysteme bei und reduziert die Notwendigkeit für eine aufwendige Nachbearbeitung. Die Norm SIST EN 15004-1:2025 hebt sich durch die Berücksichtigung von Kriterien hervor, die es ermöglichen, die Leistungs- und Sicherheitsmerkmale der Löschsysteme durch eine geeignete unabhängige Behörde zu validieren. Diese Validierung ist entscheidend für das Vertrauen in die eingesetzten Technologien und deren Wirksamkeit im Brandfall. Zudem wird klargestellt, dass die Norm nicht für Explosionsschutzmaßnahmen anwendbar ist, wodurch ihre spezifische Ausrichtung auf Gaslöschsysteme deutlich wird. Es ist wichtig zu betonen, dass die Norm keine Genehmigung der aufgelisteten Löschmittel durch die zuständigen Behörden impliziert, sondern vielmehr als Leitfaden für die durchzuführenden Maßnahmen dienen soll. Die Auflistung der Löschmittel in Tabelle 1 bietet einen strukturierten Überblick über die zulässigen Materialien, die in Übereinstimmung mit den Teilen von EN 15004 verwendet werden können. Insgesamt ist die SIST EN 15004-1:2025 eine umfassende und relevante Norm für Fachleute, die an der Entwicklung von gasförmigen Feuerlöschsystemen beteiligt sind, und stellt sicher, dass alle Sicherheits- und Leistungsstandards eingehalten werden. Ihre Anwendung in der Praxis fördert nicht nur die Sicherheit in Gebäuden, sondern auch die Anpassungsfähigkeit und Modernität der Brandschutzlösung.
SIST EN 15004-1:2025 표준은 고정 소화 시스템에서 가스 소화 시스템의 설계, 설치 및 유지보수를 위한 요구 사항과 권장 사항을 정의합니다. 이 문서는 건물, 공장 및 기타 구조물에서의 가스 소화 시스템에 대한 안전성과 성능 특성을 보장하기 위해 필요한 정보와 지침을 포함하고 있습니다. 이 표준의 범위는 주로 건물 및 특정 응용 프로그램과 관련된 총면적 홍수 소화 시스템에 초점을 맞추고 있으며, 전기 비전도성의 가연성 가스를 사용하여 잔여물이 남지 않는 소화 용매를 활용합니다. 이는 공인된 독립 기관에 의해 성능 및 안전성을 검증할 수 있는 충분한 데이터가 제공되고 있음을 강조합니다. 게다가, 이 문서는 폭발 억제에 대해서는 적용되지 않습니다. SIST EN 15004-1:2025 표준의 강점은 다양한 소화제의 특성과 이들이 적합한 소화 매체로서의 성격을 명확히 설명하며, 각기 다른 화재 유형에 대한 효과적인 대응 방안을 제시한다는 점입니다. 또한, 표 1에서 나열된 소화제 목록에서 해당 소화제가 적절한지 여부에 대한 절차를 설명해 주며, 이러한 소화제를 사용할 때의 안전성 기준을 준수할 수 있도록 안내합니다. 이 표준은 EN 15004의 해당 부분과 함께 사용되며, 소화제 선택 시 매우 유용한 도구로 작용합니다. 특히 기체 소화 시스템의 설계와 설치 및 유지보수 시 필요한 지침을 제공하여, 건축물과 시설에서 안전한 환경을 유지하는 데 중요한 기초 자료를 제공합니다. 따라서 SIST EN 15004-1:2025 표준은 소방 안전 분야에서 필수불가결한 문서로 자리잡고 있습니다.
La norme SIST EN 15004-1:2025 fournit un cadre exhaustif pour la conception, l'installation, l'essai, la maintenance et la sécurité des systèmes d'extinction à gaz dans divers environnements tels que les bâtiments et les installations. La portée de cette norme est clairement définie, précisant qu'elle s'applique essentiellement aux systèmes d'extinction par submersion totale, mettant l'accent sur des agents extincteurs gazeux qui ne laissent aucun résidu après leur utilisation. Cette spécificité est cruciale, car elle garantit que les locaux protégés par ces systèmes restent non seulement sûrs mais aussi propres après une intervention. L'un des points forts de la norme est son approche basée sur des données solides et sa validation par des autorités indépendantes, ce qui renforce la confiance des utilisateurs et des professionnels de la sécurité incendie. En fournissant des recommandations claires sur les caractéristiques des agents extincteurs, la norme facilite la sélection appropriée en fonction des différents types d'incendies, ce qui est essentiel pour garantir une sécurité incendie efficace dans diverses installations. De plus, le fait que la norme exclue les agents comme le CO2, qui a sa propre norme européenne, démontre une attention particulière à la précision et à la spécificité des directives concernant les agents extincteurs. Cela permet d'éviter toute confusion et assure que les utilisateurs se réfèrent aux normes appropriées en fonction des besoins spécifiques de leur environnement. La définition des systèmes d'extinction et des agents listés dans le tableau 1 permet également une approche systématique pour les professionnels du secteur, contribuant ainsi à une mise en œuvre efficace et conforme des systèmes d'extinction. En intégrant les exigences de sécurité et de maintenance, la norme SIST EN 15004-1:2025 s'affirme comme un document fondamental pour le développement et l’entretien de systèmes d'extinction à gaz, garantissant ainsi une préparation adéquate face aux risques d'incendie dans des infrastructures critiques.
The SIST EN 15004-1:2025 standard outlines critical requirements and recommendations concerning the design, installation, testing, maintenance, and safety of gas extinguishing systems specifically in buildings, plants, or other structures. Its comprehensive scope makes it highly relevant for professionals involved in firefighting system implementation. One of the key strengths of this standard is its emphasis on total flooding systems that utilize electrically non-conducting gaseous fire extinguishants. This focus ensures that the systems meet safety and performance standards, as they do not leave residue after discharge, which simplifies post-activation clean-up and minimizes potential damage to sensitive equipment and assets. Additionally, the requirement for sufficient data to validate performance and safety characteristics gives confidence to users about the reliability of the gas extinguishing systems in a variety of applications. SIST EN 15004-1:2025 also provides a clear framework by detailing the characteristics of various extinguishants and types of fires for which they serve as appropriate extinguishing mediums. The specificity in outlining the applications helps practitioners make informed decisions based on the unique requirements of different environments and fire risks. While the standard includes a list of applicable extinguishants, it sensibly reinforces that it does not provide blanket approval for any particular extinguishant, thus allowing for flexibility in choosing alternatives that may also meet relevant safety criteria. Notably, CO2 is excluded from the standard since it is governed by its own European standard, which indicates a well-structured approach to the categorization and regulation of firefighting systems. Overall, the SIST EN 15004-1:2025 standard plays a pivotal role in ensuring that gas extinguishing systems are designed and operated safely and effectively. Its structured guidelines contribute to enhancing fire safety in an array of industrial and commercial applications, making it an essential reference for professionals in the field.
SIST EN 15004-1:2025は、固定型消火システムに関する非常に重要な標準として、ガス消火システムの設計、設置、テスト、保守、そして安全性に関する要求と推奨事項を詳細に定めています。この標準は、建物、プラント、または他の構造物におけるガス消火システムの実装に必要な情報を提供し、各種の消火剤およびそれらが適用される火災タイプの特性についても触れています。特に、全フラッディング方式に関連する内容が中心であり、電気的非導電性ガス消火剤を利用する点が強調されています。 この標準の強みは、取り扱う消火剤が発射後に残留物を残さず、安全性と性能特性を適切な独立機関によって検証するための十分なデータが用意されていることです。この点は、特に建物やプラントなどの特定の用途において、現在および将来の安全基準に対して非常に関連性が高いと言えます。また、標準には、テーブル1で示された消火剤に適用されるガス消火システムのガイドラインが含まれており、対応するEN 15004の他の部分と組み合わせて使用する意図が明確です。 この文書は爆発抑制には適用されないため、適用範囲がはっきりしていることも特筆すべきポイントです。さらに、記載された消火剤に対して正式な承認を示すものではないため、他の消火剤も同様に受け入れられる可能性があることを示しています。この柔軟性は、市場での様々な選択肢の拡大につながります。 SIST EN 15004-1:2025は、ガス消火システムの設計や利用に関わる専門家にとって必読の文書であり、業界の標準を強化し、消火技術の向上に寄与するものと評価されます。
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