SIST EN 13126-12:2026

SLOVENSKI STANDARD
01-februar-2026
Stavbno okovje - Okovje za okna in zastekljena vrata - Zahteve in preskusne
metode - 12. del: Obrnjeno okovje za izbočena okna z vrtljivimi krili
Building hardware - Hardware for windows and door-height windows - Requirements and
test methods - Part 12: Side hung projecting reversible hardware
Baubeschläge - Beschläge für Fenster und Fenstertüren - Anforderungen und
Prüfverfahren - Teil 12: Beschläge für auskragende Drehflügel-Umkehrfenster
Quincaillerie pour le bâtiment - Exigences et méthodes d'essai des ferrures de fenêtres
et portes-fenêtres - Partie 12: Ferrures pour ouvrants à projection de l'axe latéral
réversibles
Ta slovenski standard je istoveten z: EN 13126-12:2025
ICS:
91.190 Stavbna oprema Building accessories
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13126-12
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2025
EUROPÄISCHE NORM
ICS 91.190 Supersedes EN 13126-12:2008
English Version
Building hardware - Hardware for windows and door
height windows - Requirements and test methods - Part
12: Side hung projecting reversible hardware
Quincaillerie pour le bâtiment - Exigences et méthodes Baubeschläge - Beschläge für Fenster und Fenstertüren
d'essai des ferrures de fenêtres et portes-fenêtres - - Anforderungen und Prüfverfahren - Teil 12:
Partie 12: Ferrures pour ouvrants à projection de l'axe Beschläge für auskragende Drehflügel-Umkehrfenster
latéral réversibles
This European Standard was approved by CEN on 24 November 2025.

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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13126-12:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Classification. 6
4.1 General. 6
4.2 Durability (1 – first box) . 6
4.3 Mass (2 – second box) . 6
4.4 Corrosion resistance (3 – third box) . 6
4.5 Test sizes (4 – fourth box) . 6
4.6 Example of classification for side hung projecting reversible hardware (EN 13126-12) . 7
5 Requirements . 7
5.1 Dangerous substances. 7
5.2 Integrated restrictors . 7
5.3 Ease of sash movement test . 7
5.4 Durability test . 8
5.5 Obstructed track test . 8
5.6 Static load test . 8
5.7 Additional load test . 8
5.8 Corrosion resistance . 8
6 Test equipment and preparation of the test . 9
6.1 Test-rig. 9
6.2 Specimen . 9
7 Test procedure . 9
7.1 Test samples / specimen . 9
7.2 Ease of sash movement test procedure. 10
7.3 Durability test . 10
7.4 Obstructed track test procedure . 10
7.5 Static load test procedure . 11
7.6 Additional load test procedure . 11
7.7 Corrosion resistance . 11
8 Marking . 11
Annex A (informative) Figures to specimen and test equipment . 13
Annex B (normative) Flow chart of test procedure . 15
Bibliography . 16

European foreword
This document (EN 13126-12:2025) has been prepared by Technical Committee CEN/TC 33 “Doors,
windows, shutters, building hardware and curtain walling”, the secretariat of which is held by AFNOR.
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 2026, and conflicting national standards shall be
withdrawn at the latest by June 2026.
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 13126-12:2008.
12:2008:
— EN 13126-12 now is independent from EN 13126-1; all necessary information is included without
the need of any further information from EN 13126-1;
— several editorial changes in the wording for a better understanding;
— terms under 3.6 'specimen’, 3.7 'sample', 3.8 'test-rig', 3.9 ‘test equipment and 3.10 'supporting
subframe' added;
— under 4.1 classification system changed completely; former digits 1 (Category of use), 4 (Fire
resistance), 5 (Safety in use) and 8 (Application) deleted; former digit 2 changed into box 1
(Durability), former digit 3 changed into box 2 (Mass), former digit 6 changed into box 3 (Corrosion
resistance), former Digit 7 has been deleted in addition to former digits 1, 4 and 5, former digit 9
changed into box 4 (Test sizes);
— under 4.2 new grades for the number of cycles defined; H1 (5 000), H2 (10 000) and H3 (20 000);
see also 5.4;
— under 4.6 new example added for the new classification;
— under 5.4 new grades for the number of cycles defined; H1 (5 000), H2 (10 000) and H3 (20 000) in
accordance with 4.2 established;
— under 5.8. ‘Corrosion resistance’ new text added;
— under Clause 6 subclauses 6.1 ‘Test-rig’ and 6.2 ‘Specimen’ added or text amended;
— under 7.7 ‘Corrosion resistance’ text modified;
— new Clause 8 ‘Marking’ added;
The EN 13126 series, under the general title Building hardware — Hardware for windows and door height
windows — Requirements and test methods, consists of the following parts:
— Part 1: Requirements common to all types of hardware;
— Part 2: Window fastener handles;
— Part 3: Handles, primarily for Tilt and Turn, Tilt-First and Turn-Only hardware;
— Part 4: Espagnolettes;
— Part 5: Devices that restrict the opening of windows and door height windows;
— Part 6: Variable geometry stay hinges (with or without a friction stay);
— Part 7: Finger catches;
— Part 8: Requirements and test methods for tilt and turn, Tilt-First and Turn-Only hardware;
— Part 9: Hardware for horizontal and vertical pivot windows;
— Part 10: Arm-balancing systems;
— Part 11: Top hung projecting reversible hardware;
— Part 12: Side hung projecting reversible hardware;
— Part 13: Sash balances;
— Part 14: Sash fasteners;
— Part 15: Rollers for horizontal sliding and hardware for sliding folding windows;
— Part 16: Hardware for Lift and Slide windows;
— Part 17: Hardware for Tilt and Slide windows;
— Part 19: Sliding Closing Devices
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, Türkiye and the United
Kingdom.
1 Scope
This document specifies requirements and test methods for durability, strength, security and function for
side hung projecting reversible hardware for windows and door height windows.
NOTE This document is applicable to side hung projecting reversible hardware whether fitted with integral
restrictors or not. Where any restrictor is used it is intended to be tested in accordance with EN 13126-5.
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 1670, Building hardware — Corrosion resistance — Requirements and test methods
EN 13126-5, Building hardware — Hardware for windows and door height windows — Requirements and
test methods — Part 5: Devices that restrict the opening of windows and door height windows
3 Terms and definitions
For the purposes of this document, the following terms and definitions 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
integrated restrictor
mechanism that is an integral part of the side hung projecting reversible hardware that limits the initial
opening of the window and can also hold an opening light firmly in the reverse position
3.2
bottom slider
assembly consisting of plate and swivel bracket fitted to sash, which guides movement in horizontal plane
3.3
side hung projecting reversible hardware
mechanism consisting of sliding rails and moving arms fitted into the upper and lower sections of the
window frame, to support the sash allowing it to open outwardly, without projecting into the room, and
to b
...