FprEN 12259-15

SLOVENSKI STANDARD
01-julij-2023
Vgrajene naprave za gašenje - Sestavni deli sprinklerjev in sistemov s pršečo
vodo - 15. del: Razpršilniki z razpršilnim vzorcem s faktorjem k najmanj K160, z
razširjeno pokritostjo najmanj K80 in za posebno uporabo z nadzornim režimom
Fixed firefighting systems - Components for sprinkler and water spray systems - Part 15:
Spray pattern sprinklers with a k-factor of at least K160, extended coverage sprinklers of
at least K80 and control mode special application sprinklers
Ortsfeste Brandbekämpfungsanlagen– Bauteile für Sprinkler- und Sprühwasseranlagen–
Teil 15: Sprinkler mit einem k-Faktor von mindestens K160, Sprinkler mit erweiterter
Reichweite von mindestens K80 und Sprinkler für spezielle Anwendungen im
Regelbetrieb
Installations fixes de lutte contre l’incendie - Composants des systèmes d’extinction du
type sprinkleur et à pulvérisation d’eau - Partie 15 : Sprinkleurs de type spray avec un
coefficient K d’au moins K160, sprinkleurs à couverture étendue d’au moins K80 et
sprinkleurs en mode contrôle pour applications spécifiques
Ta slovenski standard je istoveten z: prEN 12259-15
ICS:
13.220.10 Gašenje požara Fire-fighting
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
prEN 12259-15
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2023
ICS 13.220.20
English Version
Fixed firefighting systems - Components for sprinkler and
water spray systems - Part 15: Spray pattern sprinklers
with a k-factor of at least K160, extended coverage
sprinklers of at least K80 and control mode special
application sprinklers
Ortsfeste Brandbekämpfungsanlagen - Bauteile für
Sprinkler- und Sprühwasseranlagen - Teil 15: Sprinkler
mit einem k-Faktor von mindestens K160, Sprinkler
mit erweiterter Reichweite von mindestens K57 und
CMSA-Sprinkler
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 12259-15:2023 E
worldwide for CEN national Members.

prEN 12259-15:2023 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Assessment methods and criteria . 6
4.1 Tolerances . 6
4.2 Connections . 6
4.3 Durability of coated sprinklers . 6
4.4 High temperature exposure . 6
4.5 Conductivity (C-Factor). 6
4.6 Sensitivity (Air oven) . 7
4.7 Leak resistance . 9
4.8 Release of the sprinkler at minimum operating pressure . 9
4.9 Nominal operating temperature . 9
4.10 Function . 10
4.11 Size of water passageways . 11
4.12 Sprinkler temperature identification . 11
4.13 Water distribution . 12
4.14 Actual delivered density . 19
4.15 Extinguishing performance . 23
4.16 Discharge coefficient . 23
4.17 Sensitivity (Response time index) . 25
4.18 Frame strength . 26
4.19 Strength of release element - fusible link type . 27
4.20 Strength of release element – bulb type . 28
4.21 Water hammer . 31
4.22 Strength of deflector . 31
4.23 Vibration resistance . 32
4.24 Impact test . 33
4.25 Freezing . 33
4.26 High ambient temperature exposure (90-day test) . 33
4.27 Thermal shock . 34
4.28 Corrosion . 34
5 Marking . 34
6 Manufacturer’s installation instructions . 35
Annex A (normative) Tolerances . 36
Annex B (normative) Extinguishing performance . 37

prEN 12259-15:2023 (E)
European foreword
This document (prEN 12259-15:2023) has been prepared by Technical Committee CEN/TC 191 “Fixed
firefighting systems”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
EN 12259, Fixed firefighting systems - Components for sprinkler and water spray systems, consists of the
following parts:
— Part 1: Sprinklers;
— Part 2: Wet alarm valve assemblies;
— Part 3: Dry alarm valve assemblies;
— Part 4: Water motor alarms;
— Part 5: Water flow detectors;
— Part 9: Deluge alarm valves;
— Part 12: Pumps;
— Part 13: ESFR sprinklers;
— Part 14: Sprinklers for residential applications.
prEN 12259-15:2023 (E)
Introduction
The response characteristics of classic sprinklers (EN 12259-1 and EN 12259-15) is based on the
measurement of both sensitivity and conductivity (C-factor). For EN 12259-13 sprinkler type (ESFR)
their response characteristics are determined without reference to its conductivity.
prEN 12259-15:2023 (E)
1 Scope
This document specifies requirements and test methods for spray pattern sprinklers with a k-factor of at
least K160, extended coverage (EC) sprinklers of at least K80, extended coverage storage (ECS) sprinklers
of at least K200 and control mode special application (CMSA) sprinklers of all k-factors.
This document does not apply to concealed, conventional, flat spray, flush and recessed sprinklers.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 12259 (all parts), Fixed firefighting systems — Components for sprinkler and water spray systems
EN 12259-1:1999+A1:2001, Fixed firefighting systems — Components for sprinkler and water spray
systems — Part 1: Sprinklers
EN 12845 (all parts), Fixed firefighting systems — Automatic sprinkler systems — Design, installation and
maintenance
EN 60751, Industrial platinum resistance thermometers and platinum temperature sensors (IEC 60751)
ISO 7-1, Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances
and designation
3 Terms and definitions
For the purposes of this document, the terms and definitions given in the EN 12845 series and the
EN 12259 series apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1
extended coverage sprinkler
sprinkler with a k-factor of 80 to 200 intended to be installed in accordance with EN 12845-1 to protect
non-storage occupancies
3.2
extended coverage storage sprinkler
sprinkler with a k-factor of 200 and larger and intended to be installed in accordance with EN 12845-2
to protect storage occupancies

As impacted by EN 12259-1:1999+A1:2001/A2:2004 and EN 12259-1:1999+A1:2001/A3:2006.
This series is under development. Current stage: prEN 12845.
prEN 12259-15:2023 (E)
4 Assessment methods and criteria
4.1 Tolerances
If not given differently in the specific clause below, the tolerances of Annex A shall be applied.
4.2 Connections
4.2.1 Assessment method
The sprinkler connection, e.g. the thread size, shall be assessed by measurements.
4.2.2 Criteria
The thread connections of the sprinkler shall be in accordance with ISO 7-1 or shall be grooved
connections. Alternative connection methods that have been tested and validated for use in fire sprinkler
systems also fulfil 4.2.2.
4.3 Durability of coated sprinklers
4.3.1 Assessment method
Expose 12 coated sprinklers for a period of 90 days in an oven at a temperature of 30 °C below the
nominal operating temperature. At intervals of 7 days, remove the sprinklers from the oven, allow to cool
for 2 h to 4 h and inspect the coating with the unaided eye, corrected for normal vision if necessary.
Return the sprinklers to the oven. At the end of the exposure period, remove the sprinklers from the oven,
cool them again and re-examine the coating.
4.3.2 Criteria
The coating shall show no visible evidence of damage.
4.4 High temperature exposure
4.4.1 Assessment method
The assessment method given in EN 12259-1:1999+A1:2001, Annex O shall be applied.
4.4.2 Criteria
Sprinklers,
...