EN 161:2022

Automatic shut-off valves for gas burners and gas appliances

EN 161:2022

Name:EN 161:2022   Standard name:Automatic shut-off valves for gas burners and gas appliances
Standard number:EN 161:2022   language:English language
Release Date:11-Oct-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 13 - Mechanics   ICS number:23.060.10 - Globe valves

SLOVENSKI STANDARD
01-december-2022
Nadomešča:
SIST EN 161:2011+A3:2013
Samodejni zaporni ventili za plinske gorilnike in plinske aparate
Automatic shut-off valves for gas burners and gas appliances
Automatische Absperrventile für Gasbrenner und Gasgeräte
Robinets automatiques de sectionnement pour brûleurs à gaz et appareils à gaz
Ta slovenski standard je istoveten z: EN 161:2022
ICS:
23.060.10 Zapirni ventili (kroglasti) Globe valves
27.060.20 Plinski gorilniki Gas fuel burners
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 161
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 23.060.10 Supersedes EN 161:2011+A3:2013
English Version
Automatic shut-off valves for gas burners and gas
appliances
Robinets automatiques de sectionnement pour Automatische Absperrventile für Gasbrenner und
brûleurs à gaz et appareils à gaz Gasgeräte
This European Standard was approved by CEN on 1 August 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 161:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Classification . 11
4.1 Classes of control . 11
4.2 Groups of control . 11
4.3 Classes of control functions . 11
4.4 Types of DC supplied controls . 11
5 Test conditions and uncertainty of measurements . 11
6 Design and construction . 11
6.1 General . 11
6.2 Mechanical parts of the control . 11
6.3 Materials . 14
6.4 Gas connections . 15
6.5 Electrical parts of the control . 15
6.6 Protection against internal faults for the purpose of functional safety . 16
6.101 Pneumatic and hydraulic actuating mechanisms . 16
7 Performance. 16
7.1 General . 16
7.2 Leak-tightness . 16
7.3 Torsion and bending . 16
7.4 Rated flow rate . 17
7.5 Durability . 17
7.6 Performance tests for electronic controls . 17
7.7 Long-term performance for electronic controls . 17
7.8 Data exchange. 17
7.101 Closing function . 17
7.102 Closing force . 18
7.103 Delay time and opening time . 18
7.104 Closing time . 19
7.105 Sealing force . 19
7.106 Closed position indicator switch . 21
7.107 Endurance . 21
8 Electrical requirements . 23
8.1 General . 23
8.2 Protection by enclosure . 23
8.101 Switches . 23
8.102 Plug connections . 23
8.103 Power saving circuits . 24
9 Electromagnetic compatibility (EMC) . 24
9.1 Protection against environmental influences . 24
9.2 Supply voltage variations below 85 % of rated voltage . 24
9.3 Voltage dips and interruptions . 24
9.4 Supply frequency variations . 25
9.5 Surge immunity tests . 25
9.6 Electrical fast transient/burst . 25
9.7 Immunity to conducted disturbances induced by radio frequency fields . 25
9.8 Immunity to radiated disturbances induced by radio frequency fields . 25
9.9 Electrostatic discharge tests . 25
9.10 Power frequency magnetic field immunity tests . 25
9.11 Harmonics and interharmonics including mains signalling at a. c. power port, low
frequency immunity tests . 25
10 Marking, instructions . 25
10.1 Marking . 25
10.2 Instructions . 26
10.3 Warning notice . 27
Annex A (informative) Abbreviations and symbols . 28
Annex B (informative) Leak-tightness test for gas controls – volumetric method . 29
Annex C (informative) Leak-tightness test for gas controls – pressure loss method . 30
Annex D (normative) Calculation of pressure loss into leakage rate . 31
Annex E (normative) Electrical/electronic component fault modes . 32
Annex F (normative) Additional requirements for safety accessories and pressure
accessories as defined in EU Directive 2014/68/EU . 33
Annex G (normative) Materials for pressurized parts . 34
Annex H (normative) Additional materials for pressurized parts . 35
Annex I (normative) Requirements for controls used in DC supplied burners and
appliances burning gaseous or liquid fuels . 36
Annex J (normative) Method for the determination of a Safety Integrity Level (SIL) . 37
Annex K (normative) Method for the determination of a Performance Level (PL) . 38
K.1 Scope . 38
K.2 Normative references. 38
K.3 Terms and definitions . 38
K.4 Performance . 38
K.5 Marking, instructions . 40
Annex L (informative) Relationship between Safety Integrity Level (SIL) and Performance
Level (PL) . 41
Annex M (normative) Reset functions . 42
Annex N (informative) Guidance document on Environmental Aspects . 43
Annex O (normative) Seals of elastomer, cork and synthetic fibre mixtures . 44
Annex AA (informative) Model of a FMEA for valves . 45
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Regulation (EU) 2016/426 aimed to be covered . 63
Bibliography .
...

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