FprEN 17450-2
(Main)Fixed firefighting systems - Water mist systems - Part 2: Product characteristics and test methods for nozzles
Fixed firefighting systems - Water mist systems - Part 2: Product characteristics and test methods for nozzles
This document specifies product characteristics and test methods of open nozzles and automatic nozzles for use in water mist systems.
NOTE All pressure data in this document are given as gauge pressures in bar .
Ortsfeste Brandbekämpfungsanlagen - Wassernebelsysteme - Teil 2: Produkteigenschaften und Prüfverfahren für Düsen
Dieses Dokument legt Produkteigenschaften und Prüfverfahren für Düsen und automatische Düsen für die Verwendung in Wassernebelsystemen fest.
ANMERKUNG Alle Druckangaben in diesem Dokument sind als Überdruck in bar angegeben.
Installations fixes de lutte contre l’incendie - Systèmes à brouillard d’eau - Partie 2 : Caractéristiques de produit et méthodes d’essai pour les diffuseurs
Le présent document spécifie les caractéristiques de produit et les méthodes d’essai des diffuseurs ouverts et des diffuseurs automatiques utilisés dans le cadre de systèmes à brouillard d’eau.
Vgrajeni gasilni sistemi - Sistemi s pršečo vodo - 2. del: Zahteve in preskusne metode za šobe
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 17450-2:2023
01-julij-2023
Vgrajeni gasilni sistemi - Sistemi s pršečo vodo - 2. del: Zahteve in preskusne
metode za šobe
Fixed firefighting systems - Water mist systems - Part 2: Product characteristics and test
methods for nozzles
Ortsfeste Brandbekämpfungsanlagen - Wassernebelsysteme - Teil 2: Anforderungen
und Prüfverfahren für Düsen
Installations fixes de lutte contre l’incendie - Systèmes à brouillard d’eau - Partie 2 :
Caractéristiques de produit et méthodes d’essai pour les diffuseurs
Ta slovenski standard je istoveten z: prEN 17450-2
ICS:
13.220.10 Gašenje požara Fire-fighting
oSIST prEN 17450-2:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 17450-2:2023
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oSIST prEN 17450-2:2023
DRAFT
EUROPEAN STANDARD
prEN 17450-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2023
ICS
English Version
Fixed firefighting systems - Water mist systems - Part 2:
Product characteristics and test methods for nozzles
Ortsfeste Brandbekämpfungsanlagen -
Wassernebelsysteme - Teil 2: Anforderungen und
Prüfverfahren für Düsen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 191.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17450-2:2023 E
worldwide for CEN national Members.
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oSIST prEN 17450-2:2023
prEN 17450-2:2023 (E)
Contents Page
European foreword . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Product characteristics . 7
4.1 General. 7
4.2 Nominal operating temperature for automatic nozzles . 8
4.3 Thermal response of automatic nozzles . 8
4.4 K-factor . 8
4.5 Function of nozzles . 8
4.5.1 Automatic nozzles . 8
4.5.2 Open nozzles .
...
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