BS EN 15004-2 2020 固定灭火系统 气体灭火系统 第二部分 FK-5-1-12灭火剂气体灭火系统的物理特性和系统设计(英文版).pdf

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Fixedfirefighting systems-Gas extinguishingsystems

Part 2: Physical properties and system design of gasextinguishing systems for FK-5-1-12 extinguishant

bsi.

Nationalforeword

supersedes BS EN 15004-2:2008 which is withdrawn. This British Standard is the UK implementation of EN 15004-2:2020. It

The UK participation in its preparation was entrusted to TechnicalCommittee FSH/18/6 Gaseous Extinguishing Media and Systems.

A list of organizations represented on this mittee can be obtained onrequest to its mittee manager.

This publication does not purportto include all the necessary provisions of a contract. Users are responsible for its correct application.

The British Standards Institution 2020Published by BSI Standards Limited 2020

ISBN 978 0 539 02384 8

ICS 13.220.20

Compliance with a British Standard cannot confer immunity fromlegal obligations.

This British Standard was published under the authority of the

Standards Policy and Strategy Committee on 31 October 2020.

Amendments/corrigenda issued since publication

Date

Text affected

English Version

Fixedfirefightingsystems-Gas extinguishing systems- extinguishingsystemsforFK-5-1-12extinguishant(ISo Part 2:Physicalproperties andsystem design of gas 14520-5:2019 modified)

Installations d'extinction a gaz - Partie 2 : Proprietes Installations fixes de lutte contre ’'incendie -dextinetion a gaz pour agent extincteur FK-5-1-12 (ISO physiques et conception des systemes des installations14520-5:2019 modifiee)

mit gasformigen Lischmitteln Teil : Physikalische Ortsfeste Brandbekimpfungsanlagen - LoschanlagenFeuerlioschmittel FK-5-1-12 (ISO 14520-5:2019 Eigenschaften und Anlagenauslegung furmodifiziert)

This European Standard was approved by CEN on 17 August 2020.

CEN members are bound to ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving thisEuropean Standard the status f aational standard without any alteration.Up-tdate lists and bibliographical references concerning such nationa standards may be obtained on aplication to the CEN-CENELEC Management Centre or to any CENmember.

Centre has the same status as the official versions.

translation under the responsibility of a CEN member into its own language and notifed to the CEN-CENELEC Management

Finland France Germany Greece Hungary leland Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway CEN members are the national standards bodies of Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia United Kingdom. Poland Portugal Republic of North Macedonia Romania Serbia Slovalkia Slovenia Spain Sweden Switzerland Turkey and

EUROPEAN COMMITEE FOR STANDARDIZATIONCOMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FOR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23 B-1040 Brussels

Contents

Page

1 Scop... .52 Normative references... .53 Terms and definitions .. 54 Characteristics and uses. 54.1 4.2 General. Use of FK-5-1-12 systems. 5Safety of personnel. 6 96 System design 106.1 Fill density. 10g9 6.2 Extinguishant quantity.... Superpressurization. 11 116.4 Other fill density and superpressurization levels. 157 Environmental properties. 16

Europeanforeword

firefighting systems* the secretariat of which is held by BS1.

identical text or by endorsement at the latest by April 2021 and conflicting national standards shall be withdrawn at the latest by April 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN 15004-2:2008

The main changes in EN 15004-2:2020 pared to EN 15004-2:2008 are the following:

- European foreword: Part 3 was removed from the list;--Foreword of ISO 14520-5 was removed;-Scope: Nominal pressure level 34 5 bar and 50 bar were added;-Table 1: Purity requirement was updated; 6.1 Filldensity: 34 5 bar and 50 bar storage container were added; 6.4 Other fill density and superpressurization levels: new sub-clause added;- Clause 7 Environmental properties: new clause added.

The text of the International Standard ISO 14520-5:2019 from Technical Committee ISO/TC 21“Equipment for fire protection and firefighting" of the International Organization for Standardization(ISO) has been taken over as a European Standard by Technical Committee CEN/TC 191 “Fixed firefighting systems" the secretariat of which is held by BSl with mon modifications which are indicated by a straight line in the margin of the text.

EN 15004 will consist of the following parts under the general title Fixed firefighting systems Gasextinguishing systems:

--Part 1: Design installation and maintenance;extinguishant;Part 4: Physical properties and system design of gas extinguishing systems for HFC 125 extinguishant;-Part5: Physical properties and system design of gas extinguishing systems for HFC 227ea extinguishant;-Part 6: Physical properties and system design of gas extinguishing systems for HFC 23 extinguishant;-Part 7: Physical properties and system design of gas extinguishing systems for IG-01 extinguishant;

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