National foreword

This British Standard is the UK implementation of EN 12259‑14:2020+A2:2024. It supersedes BS EN 12259‑14:2020+A1:2022, which is withdrawn.

The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by .

The UK participation in its preparation was entrusted to Technical Committee FSH/18/2, Sprinkler Systems.

A list of organizations represented on this committee can be obtained on request to its committee manager.

Contractual and legal considerations

This publication has been prepared in good faith, however no representation, warranty, assurance or undertaking (express or implied) is or will be made, and no responsibility or liability is or will be accepted by BSI in relation to the adequacy, accuracy, completeness or reasonableness of this publication. All and any such responsibility and liability is expressly disclaimed to the full extent permitted by the law.

This publication is provided as is, and is to be used at the recipient’s own risk.

The recipient is advised to consider seeking professional guidance with respect to its use of this publication.

This publication is not intended to constitute a contract. Users are responsible for its correct application.

Compliance with a British Standard cannot confer immunity from legal obligations.

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2020.

This European Standard was approved by CEN on 13 March 2022 and includes Amendment 2 approved by CEN on 14 July 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, Czechia, 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 foreword

This document (EN 12259‑14:2020+A2:2024) 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 February 2025, and conflicting national standards shall be withdrawn at the latest by February 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 includes Amendment 1 approved by CEN on 13 March 2022 and Amendment 2 approved by CEN on 14 July 2024.

This document supersedes EN 12259‑14:2020+A1:2022.

The start and finish of text introduced or altered by amendment is indicated in the text by tags and .

In comparison with EN 12259‑14:2020, technical modifications have been made to clarify the types of sprinkler seal that are covered by this document in Amendment 1. In Amendment 2 the pressure values in C.1.1 and C.2.1 were corrected as well as the unit for the force increase in G.1.

It is included in a series of European Standards planned to cover:

automatic sprinkler systems (EN 12259 and EN 12845);
gas extinguishing systems (EN 12094);
powder systems (EN 12416);
foam systems (EN 13565);
hydrant and hose reel systems (EN 671);
smoke and heat control systems (EN 12101).

Any feedback and questions on this document should be directed to the users’ national standards body. A complete listing of these bodies can be found on the CEN website.

According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: 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, Turkey and the United Kingdom.

1 Scope

This document specifies requirements for the construction and performance of residential sprinklers as well as test methods for their type approval, which are operated by a change of state of an element or bursting of a glass bulb under the influence of heat and incorporating the following types of water seals:

conical metal spring with a PTFE gasket or coating;
metal cap or disc with PTFE gasket or coating;
copper gasket, with or without a PTFE coating.

Sprinklers in accordance with this document are only used in automatic sprinkler systems for domestic and residential applications as defined in EN 16925.

2 Normative references

3 Terms and definitions

4 Construction and performance

4.1 General

4.2 Dimensions and pressure rating

4.3 Nominal operating temperature

4.4 Operating temperatures

4.5 Water flow and distribution

4.6 Function

4.7 Fire Test

4.8 Strength of sprinkler body and deflector

4.9 Strength of release element

4.10 Leak resistance and hydrostatic strength

4.11 Heat exposure

4.12 Corrosion

4.13 Water hammer

4.14 Thermal response

4.15 Resistance to vibration

4.16 Resistance to impact

4.17 Resistance to low temperature

4.18 Resistance to heat

4.19 Test conditions

5 Marking

5.1 General

5.2 Identification number

5.3 Nominal operating temperature and year of manufacture

5.4 Manufacturing location

5.5 Heat sensitive element supplier

5.6 Protective covers

5.7 Sidewall sprinklers

5.8 Concealed sprinklers

5.9 Removable recessed housing

6 Instruction charts

6.1 General

6.2 Installation Instructions

Bibliography

BS EN 12259-14:2020+A2:2024

Fixed firefighting systems. Components for sprinkler and water spray systems - Sprinklers for residential applications

Current

Published:

30 Sep 2024