Table of Contents

European foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Classification<br>5 Units of measurement and test conditions<br>6 Construction requirements<br>7 Performance<br>8 EMC/Electrical requirements<br>9 Marking, installation and operating instructions<br>Annex A (informative) - Gas connections in common<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;use in the various countries<br>Annex B (informative) - Leak-tightness test volumetric<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;method<br>Annex C (informative) - Leak-tightness test pressure<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;loss method<br>Annex D (normative) - Conversion of pressure loss into<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;leakage rate<br>Annex E (normative) - Electrical/electronic component<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fault modes<br>Annex F (normative) - Additional requirements for safety<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;accessories and pressure accessories as defined in<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;EU Directive 97/23/EC<br>Annex G (informative) - Materials for pressurized parts<br>Annex H (informative) - Additional materials for pressurized<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;parts<br>Annex I (normative) - Requirements for controls used in DC<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;supplied gas burners and gas burning appliances<br>Annex J (normative) - Method for the determination of a<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Safety Integrity Level (SIL)<br>Annex K (normative) - Method for the determination of a<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Performance Level (PL)<br>Annex L (informative) - Relationship between Safety Integrity<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level (SIL) and Performance Level (PL)<br>Annex ZA (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the Essential<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Requirements of EU Directive 2009/142/EC<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;relating to appliances burning gaseous fuels<br>Annex ZB (informative) - Relationship between this<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Standard and the Essential<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Requirements of EU Directive 97/23/EC<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;relating to pressure equipment<br>Bibliography

Abstract

Provides the safety, design, construction and performance requirements and testing for automatic shut-off valves with or without modulating control functions (hereafter referred to as valves) for burners and appliances burning one or more gaseous fuels according to EN 437:2003+A1:2009.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	GSE/22
Supersedes	13/30286091 DC : 0