BS-EN-676-2003-A2-2008.pdf
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1、BRITISH STANDARD BS EN 676:2003 +A2:2008 Automatic forced draught burners for gaseous fuels ICS 27.060.20; 97.100.20 ? Incorporating Corrigendum December 2008 Licensed CopyChinese University of Hong Kong, 11/04/2009 08:16, Uncontrolled Copy, (c) BSI BS EN 676:2003+A2:2008 This British Standard was p
2、ublished under the authority of the Standards Policy and Strategy Committee on 3 October 2003 BSI 2009 ISBN 978 0 580 64166 4 National foreword This British Standard is the UK implementation of EN 676:2003+A2:2008. It supersedes BS EN 676:2003 which is withdrawn. The start and finish of text introdu
3、ced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !“. The UK participation in its preparation was entrusted to Technical Committee GSE/27, Automatic ga
4、s burners. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer i
5、mmunity from legal obligations. Amendments/corrigenda issued since publication DateComments 31 March 2009Implementation of CEN amendment A2:2008 and corrigendum December 2008. Change of listing prEN 676 in table ZB.1, to EN 676. Licensed CopyChinese University of Hong Kong, 11/04/2009 08:16, Uncontr
6、olled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 676:2003+A2 June 2008 ICS 27.060.20 Supersedes EN 676:2003 English Version Automatic forced draught burners for gaseous fuels Brleurs automatiques air souffl pour combustibles gazeux Automatische Brenner mit Geblse fr gasfrmige
7、 Brennstoffe This European Standard was approved by CEN on 3 April 2003 and includes Amendment 1 approved by CEN on 1 April 2008 and Amendment 2 approved by CEN on 1 April 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this E
8、uropean 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 Management Centre or to any CEN member. This European Standard exists in three official versions (En
9、glish, 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgar
10、ia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZ
11、ATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 676:2003+A2:2008: E Licensed CopyChinese University of
12、Hong Kong, 11/04/2009 08:16, Uncontrolled Copy, (c) BSI EN 676:2003+A2:2008 (E) 2 Contents Foreword4 1 Scope 6 2 Normative references6 3 Terms and definitions .9 3.1 General terms and definitions9 3.2 Specific terms and definitions10 4 !Constructional and operational requirements safety requirements
13、 and/or protective measures“.16 4.1 Conversion to different gases16 4.2 Construction.16 4.3 Equipment 18 4.4 Functional and operational requirements.24 4.5 !Machine safety requirements and/or protective measures .31 5 Test methods32 5.1 General32 5.2 Functional tests .36 5.3 Operation37 5.4 Tests to
14、 be carried out on the working and test diagrams .38 5.5 Combustion42 5.6 Start-up .43 5.7 Obtaining the heat input .43 5.8 Electrical safety44 5.9 !Verification of safety and /or protective measures.44 6 Marking, labelling and packaging44 6.1 General44 6.2 Data plate45 6.3 Other marking 45 6.4 Inst
15、ructions for installation, adjustment, maintenance and operation46 6.5 Marking on the packaging 47 Annex A (informative) Determination of the combustion characteristics - carbon monoxide and nitrogen oxides60 Annex B (informative) Examples of control box sequencing62 Annex C (informative) Test gases
16、63 C.1 General63 C.2 Conditions for preparation of the test gases63 C.3 Practical application of the test gases 64 Annex D (informative) Gas connections conditions in common use in the various countries .67 Annex E (informative) Tests.68 E.1 Supplementary testing68 E.2 Drawing review.68 E.3 Individu
17、al test and inspection68 E.4 Test report69 Annex F (informative) Use of alternative gas lines and test documentation70 F.1 Use of alternative gas lines 70 F.2 Test documentation.70 Annex G (informative) Correction of the influence of combustion air temperature and humidity on NOx- emissions .71 Anne
18、x H (informative) Check of the air proving device.72 BS EN 676:2003+A2:2008 Licensed CopyChinese University of Hong Kong, 11/04/2009 08:16, Uncontrolled Copy, (c) BSI EN 676:2003+A2:2008 (E) 3 Annex I (informative) !Additional recommendations for specific applications“.73 I.1 !General73 I.2 Pre-heat
19、ing of the combustion air .73 I.3 Continuous working of the air ventilator 73 I.4 Variable excess of combustion air 73 I.5 Burner with start gas flame 73 I.6 Air filtering74 Annex J (normative) !Machine related hazards safety requirements and/or protective measures .75 J.1 General75 J.2 List of sign
20、ificant hazards 75 J.3 Safety requirements and /or protective measures.75 J.4 Verification of machine safety requirements and/or protective measures .78 J.5 Information for use78 Annex K (normative) #Additional requirements for burners with pressurised parts and burners firing pressurised bodies as
21、defined in Pressure Equipment Directive (PED) 97/23/EC.79 K.1 General79 K.2 Design.79 K.3 Materials .79 K.4 Pressurised parts 79 K.5 Gas line components 80 K.6 Gas pressure governor.81 K.7 High gas pressure over load protection device .81 K.8 Automatic safety shut-off valve.81 K.9 Air proving device
22、 .81 K.10 Automatic burner control system81 K.11 Means for draining and venting .81 K.12 General functions requirements 82 K.13 External safety limiter .83 K.14 Design according to EN 50156-183 K.15 Consideration: safety life cycle84 K.16 Tests of pressurised parts85 K.17 Other marking 86 K.18 Instr
23、uctions for installation, adjustment, maintenance and operation86 Annex ZA (informative) A-deviations 87 Annex ZB (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives88 Annex ZC (informative) #Relationship between this European Standa
24、rd and the essential safety requirements of the Pressure Equipment (PED) Directive 97/23/EC$ 91 Annex ZD (informative) !Relationship between this European Standard and the Essential Requirements of EU Directive 98/37/EC Machinery Directive“ .98 Annex ZE (informative) !Relationship between this Europ
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