EN 1643:2022

Safety and control devices for burners and appliances burning gaseous and/or liquid fuels - Valve proving systems for automatic shut-off valves

EN 1643:2022

Name:EN 1643:2022   Standard name:Safety and control devices for burners and appliances burning gaseous and/or liquid fuels - Valve proving systems for automatic shut-off valves
Standard number:EN 1643:2022   language:English language
Release Date:15-Nov-2022   technical committee:CEN/TC 58 - Safety and control devices for burners and appliances burning gaseous or liquid fuels
Drafting committee:CEN/TC 58/WG 12 - Electronics   ICS number:23.060.40 - Pressure regulators

SLOVENSKI STANDARD
01-februar-2023
Nadomešča:
SIST EN 1643:2014
Varnostne in nadzorne naprave za gorilnike in aparate na plin in/ali tekoča goriva -
Sistemi za preskušanje avtomatskih zapornih ventilov
Safety and control devices for burners and appliances burning gaseous and/or liquid
fuels - Valve proving systems for automatic shut-off valves
Sicherheits-, Regel- und Steuereinrichtungen für Brenner und Brennstoffgeräte für
gasförmige und/oder flüssige Brennstoffe - Ventilüberwachungssysteme für
automatische Absperrventile
Dispositifs de commande et de sécurité pour brûleurs à gaz et appareils à gaz -
Systèmes de contrôle d'étanchéité pour robinets automatiques de sectionnement
Ta slovenski standard je istoveten z: EN 1643:2022
ICS:
23.060.40 Tlačni regulatorji Pressure regulators
27.060.01 Gorilniki in grelniki vode na Burners and boilers in
splošno general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 1643
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2022
EUROPÄISCHE NORM
ICS 23.060.40 Supersedes EN 1643:2014
English Version
Safety and control devices for burners and appliances
burning gaseous and/or liquid fuels - Valve proving
systems for automatic shut-off valves
Dispositifs de commande et de sécurité pour brûleurs à Sicherheits-, Regel- und Steuereinrichtungen für
gaz et appareils à gaz - Systèmes de contrôle Brenner und Brennstoffgeräte für gasförmige
d'étanchéité pour robinets automatiques de und/oder flüssige Brennstoffe -
sectionnement Ventilüberwachungssysteme für automatische
Absperrventile
This European Standard was approved by CEN on 2 October 2022.

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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1643:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Classification. 9
4.1 Classes of control . 9
4.2 Groups of control . 9
4.3 Classes of control functions . 9
4.4 Types of DC supplied controls . 9
5 Test conditions and uncertainty of measurements . 9
6 Design and construction . 9
6.1 General. 9
6.2 Mechanical parts of the control . 9
6.3 Materials . 9
6.4 Gas connections . 10
6.5 Electrical parts of the control . 10
6.6 Protection against internal faults for the purpose of functional safety . 10
6.101 Additional constructional requirements for VPS . 13
7 Performance . 13
7.1 General. 13
7.2 Leak-tightness . 13
7.3 Torsion and bending . 15
7.4 Rated flow rate . 15
7.5 Durability . 15
7.6 Performance tests for electronic controls . 15
7.7 Long-term performance for electronic controls . 15
7.8 Data exchange . 15
7.101 Functional requirements . 16
8 Electrical requirements . 18
8.1 General. 18
8.2 Protection by enclosure. 18
9 Electromagnetic compatibility (EMC) . 18
9.1 Protection against environmental influences . 18
9.2 Supply voltage variations below 85 % of rated voltage . 19
9.3 Voltage dips and interruptions . 19
9.4 Supply frequency variations . 19
9.5 Surge immunity tests . 20
9.6 Electrical fast transient/burst . 20
9.7 Immunity to conducted disturbances induced by radio frequency fields . 20
9.8 Immunity to radiated disturbances induced by radio frequency fields . 21
9.9 Electrostatic discharge tests . 21
9.10 Power frequency magnetic field immunity tests . 21
9.11 Harmonics and interharmonics including mains signalling at AC power port, low
frequency immunity tests . 21
10 Marking, instructions . 22
10.1 Marking . 22
10.2 Instructions . 22
10.3 Warning notice . 22
Annex A (informative) Abbreviations and Symbols . 23
Annex B (informative) Leak-tightness tests for gas controls − volumetric method . 24
Annex C (informative) Leak-tightness tests for gas controls − pressure loss method . 25
Annex D (normative) Calculation of pressure loss into leakage rate . 26
Annex E (normative) Electrical/electronic component fault modes . 27
Annex F (normative) Additional requirements for safety accessories and pressure
accessories as defined in EU Directive 2014/68/EU . 29
Annex G (normative) Materials for pressurized parts . 30
Annex H (normative) Additional materials for pressurized parts . 31
Annex I (normative) Requirements for controls used in DC supplied burners and appliances
burning gaseous or liquid fuels . 32
I.1 Introduction . 32
Annex J (normative) Method for the determination of a Safety Integrity Level (SIL) . 34
Annex K (normative) Method for the determination of a Performance Level (PL) . 35
Annex L (informative) Relationship between Safety Integrity Level (SIL) and Performance
Level (PL) . 36
Annex M (normative) Reset functions . 37
Annex N (informative) Guidance document on Environmental Aspects . 38
Annex O (normative) Seals of elastomer, cork and synthetic fibre mixtures . 39
Annex AA (informative) Application Guidance . 40
AA.1 General . 40
AA.2 Use of a VPS . 40
Annex ZA (informative) Relationship between this document and the essential
requirements of Directive 2009/142/EC aimed to be covered . 41
Annex ZB (informative) Relationship between this European Standard and the essential
requirements of Regulation (EU) 2016/426 aimed to be covered . 42
Annex ZC (informative) Relationship between this document and the essential requirements
of Directive 2014/68/EU aimed to be covered . 43
Bibliography . 44

European foreword
This document (EN 1643:2022) has been prepared by Technical Committee CEN/TC 58 “Safety and
control devices for burners and appliances burning gaseous or liquid fuels”, 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 iden-
tical text or by endorsement, at the latest by May 2023, and conflicting national standards shall be with-
drawn at the latest by November 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 supersedes EN 1643:2014.
The following significant changes compared to the previous edition have been incorporated in this
document:
a) alignment with EN 13611:2019;
b) modifica
...

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