EN 16304:2022

Automatic vent valves for gas burners and gas burning appliances

EN 16304:2022

Name:EN 16304:2022   Standard name:Automatic vent valves for gas burners and gas burning appliances
Standard number:EN 16304:2022   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
Nadomešča:
SIST EN 16304:2014
Avtomatski varnostno izpustni ventili za plinske gorilnike in plinske aparate
Automatic vent valves for gas burners and gas burning appliances
Automatische Abblaseventile für Gasbrenner und Gasgerät
Robinets d'évent automatiques pour brûleurs à gaz et appareils à gaz
Ta slovenski standard je istoveten z: EN 16304:2022
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 16304
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 23.060.40 Supersedes EN 16304:2013
English Version
Automatic vent valves for gas burners and gas burning
appliances
Robinets d'évent automatiques pour brûleurs à gaz et Automatische Abblaseventile für Gasbrenner und
appareils à gaz Gasgerät
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 16304:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 6
Introduction . 7
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 10
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
6.2.1 Appearance . 11
6.2.2 Holes . 11
6.2.3 Breather holes . 11
6.2.4 Screwed fastenings . 12
6.2.5 Jointing . 12
6.2.6 Moving parts . 12
6.2.7 Sealing caps . 12
6.2.8 Dismantling and reassembly . 12
6.2.9 Auxiliary canals and orifices . 12
6.2.10 Presetting device . 12
6.2.101 Design . 12
6.2.102 Open position indicator switch . 12
6.2.103 Controls assembled to a valve . 12
6.3 Materials . 12
6.3.1 General material requirements . 12
6.3.2 Housing . 12
6.3.3 Zinc alloys . 12
6.3.4 Springs . 12
6.3.5 Resistance to corrosion and surface protection. 13
6.3.6 Impregnation . 13
6.3.7 Seals for glands for moving parts . 13
6.3.101 Springs providing opening force . 13
6.3.102 Closure members . 13
6.4 Gas connections. 13
6.4.1 Making connections . 13
6.4.2 Connection sizes . 13
6.4.3 Threads . 13
6.4.4 Union joints . 13
6.4.5 Flanges . 13
6.4.6 Compression fittings . 13
6.4.7 Nipples for pressure test. 13
6.4.8 Strainers . 14
6.5 Electrical parts of the control . 14
6.5.1 General . 14
6.5.2 Switching elements . 14
6.5.3 Electrical components . 14
6.6 Protection against internal faults for the purpose of functional safety . 14
6.101 Pneumatic and hydraulic actuating mechanisms . 14
7 Performance . 14
7.1 General . 14
7.2 Leak-tightness . 15
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 Opening function . 15
7.101.1 Requirement . 15
7.101.2 Test of opening function . 15
7.102 Opening force . 16
7.102.1 Requirement . 16
7.102.2 Test of opening force . 16
7.103 Opening time . 16
7.103.1 Requirement . 16
7.103.2 Test of opening time . 16
7.104 Delay time and closing time . 16
7.104.1 Requirement . 16
7.104.2 Test of delay time and closing time . 16
7.105 Open position indicator switch . 17
7.105.1 Requirement . 17
7.105.2 Test of open position indicator switch . 17
7.106 Endurance .
...

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