EN 88-3:2022

Safety and control devices for gas burners and gas burning appliances - Part 3: Pressure and/or flow rate regulators for inlet pressures up to and including 500 kPa, electronic types

EN 88-3:2022

Name:EN 88-3:2022   Standard name:Safety and control devices for gas burners and gas burning appliances - Part 3: Pressure and/or flow rate regulators for inlet pressures up to and including 500 kPa, electronic types
Standard number:EN 88-3:2022   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:23.060.40 - Pressure regulators

SLOVENSKI STANDARD
01-december-2022
Varnostne in nadzorne naprave za plinske gorilnike in plinske aparate - 3. del:
Regulatorji tlaka in/ali regulatorji pretoka za vstopne tlake do vključno 500 kPa,
elektronski tip
Safety and control devices for gas burners and gas burning appliances - Part 3: Pressure
and/or flow rate regulators for inlet pressures up to and including 500 kPa, electronic
types
Sicherheits- und Regeleinrichtungen für Gasbrenner und Gasbrennstoffgeräte - Teil 3:
Druck- und/oder Durchflussregler für Eingangsdrücke bis einschließlich 500 kPa,
elektronische Ausführung
Dispositifs de sécurité et de contrôle pour les brûleurs à gaz et appareils utilisant des
combustibles gazeux - Partie 3 : Régulateurs de pression et/ou de débit de type
électronique pour pression amont inférieure ou égale à 500 kPa
Ta slovenski standard je istoveten z: EN 88-3:2022
ICS:
23.060.40 Tlačni regulatorji Pressure regulators
27.060.20 Plinski gorilniki Gas fuel burners
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 88-3
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 23.060.40
English Version
Safety and control devices for gas burners and gas burning
appliances - Part 3: Pressure and/or flow rate regulators
for inlet pressures up to and including 500 kPa, electronic
types
Dispositifs de sécurité et de contrôle pour les brûleurs Sicherheits- und Regeleinrichtungen für Gasbrenner
à gaz et appareils utilisant des combustibles gazeux - und Gasbrennstoffgeräte - Teil 3: Druck- und/oder
Partie 3 : Régulateurs de pression et/ou de débit de Durchflussregler für Eingangsdrücke bis einschließlich
type électronique pour pression amont inférieure ou 500 kPa, elektronische Ausführung
égale à 500 kPa
This European Standard was approved by CEN on 8 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 88-3:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Classification . 13
4.1 Classes of control . 13
4.2 Groups of control . 13
4.3 Classes of control functions . 13
4.4 Types of DC supplied controls . 13
5 Test conditions and uncertainty of measurements . 14
6 Design and construction . 14
6.1 General . 14
6.2 Mechanical parts of the control . 14
6.3 Materials . 16
6.4 Gas connections . 16
6.5 Electrical parts of the control . 17
6.6 Protection against internal faults for the purpose of functional safety . 17
7 Performance . 18
7.1 General . 18
7.2 Leak-tightness . 18
7.3 Torsion and bending . 19
7.4 Rated flow rate . 19
7.5 Durability . 20
7.6 Performance tests for electronic controls . 20
7.7 Long-term performance for electronic controls . 20
7.8 Data exchange . 20
7.101 Regulator performance . 20
7.102 Regulator performance with respect to application safety . 27
8 Electrical requirements . 27
8.1 General . 27
8.2 Protection by enclosure . 27
8.101 Plug connections. 27
9 Electromagnetic compatibility (EMC) . 28
9.1 Protection against environmental influences . 28
9.2 Supply voltage variations below 85 % of rated voltage . 28
9.3 Voltage dips and interruptions . 28
9.4 Supply frequency variations . 28
9.5 Surge immunity tests . 28
9.6 Electrical fast transient/burst . 28
9.7 Immunity to conducted disturbances induced by radio frequency fields . 28
9.8 Immunity to radiated disturbances induced by radio frequency fields . 28
9.9 Electrostatic discharge tests . 28
9.10 Power frequency magnetic field immunity tests . 28
9.11 Harmonics and interharmonics including mains signalling at a. c. power port, low
frequency immunity tests . 28
10 Marking, instructions . 28
10.1 Marking . 28
10.2 Instructions . 29
10.3 Warning notice . 30
Annex A (informative) Abbreviations and Symbols . 31
A.1 Abbreviations . 31
A.2 Symbols . 31
Annex B (informative) Leak-tightness test for gas controls – volumetric method . 32
Annex C (informative) Leak-tightness test for gas controls – pressure loss method . 33
Annex D (normative) Calculation of pressure loss into leakage rate . 34
Annex E (normative) Electrical/electronic component fault modes . 35
Annex F (normative) Additional requirements for safety accessories and pressure
accessories as defined in EU Directive 2014/68/EU. 36
Annex G (normative) Materials for pressurized parts . 37
Annex H (normative) Additional materials for pressurized parts . 38
Annex I (normative) Requirements for controls used in DC supplied burners and
appliances burning gaseous or liquid fuels. 39
Annex J (normative) Method for the determination of a Safety integrity level (SIL) . 40
Annex K (normative) Method for the determination of a Performance Level (PL) . 41
Annex L (informative) Relationship between Safety Integrity Level (SIL) and Performance
Level (PL) . 42
Annex M (normative) Reset functions . 43
Annex N (informative) Guidance document on Environmental Aspects . 44
Annex O (normative) Seals of elastomer, cork and synthetic fibre mixtures . 45
Annex ZA (informative)  Relationship between this European Standard and the essential
requirements of Regulation (EU) 2016/426 aimed to be covered . 46
Bibliography . 49

European foreword
This document (EN 88-3:2022) 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
identical text or by endorsement, at the latest by April 2023, and conflicting national standards shall be
withdrawn at the latest by October 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rig
...

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