BS EN 777-3-2009 Multi-Burner Gas-Fired Overhead Radiant Tube Heater Systems for Non Domestic Use - Part 3 System F - Safety.pdf
《BS EN 777-3-2009 Multi-Burner Gas-Fired Overhead Radiant Tube Heater Systems for Non Domestic Use - Part 3 System F - Safety.pdf》由会员分享,可在线阅读,更多相关《BS EN 777-3-2009 Multi-Burner Gas-Fired Overhead Radiant Tube Heater Systems for Non Domestic Use - Part 3 System F - Safety.pdf(114页珍藏版)》请在三一文库上搜索。
1、BS EN 777-3:2009 ICS 91.140.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Multi-burner gas-fired overhead radiant tube heater systems for non domestic use Part 3: System F Safety This British Standard was published under the authority of the Standards Pol
2、icy and Strategy Committee on 30 April 2009 BSI 2009 ISBN 978 0 580 55847 4 Amendments/corrigenda issued since publication DateComments BS EN 777-3:2009 National foreword This British Standard is the UK implementation of EN 777-3:2009. It supersedes BS EN 777-3:2000 which is withdrawn. The UK partic
3、ipation in its preparation was entrusted to Technical Committee GSE/20, Non-domestic space heaters (gas). 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
4、are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 777-3:2009 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 777-3 March 2009 ICS 91.140.40Supersedes EN 777-3:1999 English Versi
5、on Multi-burner gas-fired overhead radiant tube heater systems for non domestic use - Part 3: System F - Safety Tubes radiants suspendus multi-brleurs utilisant les combustibles gazeux usage non-domestique - Partie 3 : Systme F - Scurit Dunkelstrahlersysteme mit mehreren Brennern mit Geblse fr gewer
6、bliche und industrielle Anwendung - Teil 3: System F - Sicherheit This European Standard was approved by CEN on 24 January 2009. 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 standar
7、d 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 (English, French, German). A version in any other la
8、nguage 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, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Fin
9、land, 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 STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES
10、KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 777-3:2009: E BS EN 777-3:2009 EN 777-3:2009 (E) 2 Contents Page Foreword . 4? 1?Scope 5? 2?Normative refer
11、ences . 5? 3?Terms and definitions . 6? 3.1?System and its constituent parts 6? 3.2?Adjusting, control and safety devices 9? 3.3?System operation 10? 3.4?Gases 13? 3.5?Conditions of operation and measurement 14? 3.6?Country of destination 14? 4?System classification 15? 4.1?Classification according
12、to the nature of the gases used (categories) 15? 4.2?Classification according to the gases capable of being used . 15? 4.3?Classification according to the mode of evacuation of the combustion products 17? 5?Constructional requirements . 17? 5.1?General . 17? 5.2?Requirements for adjusting, control a
13、nd safety devices 22? 5.3?Ignition devices . 27? 5.4?Main burners 28? 5.5?Pressure test points 28? 5.6?Injectors . 28? 6?Operational requirements 29? 6.1?Soundness . 29? 6.2?Heat inputs . 29? 6.3?Limiting temperatures 29? 6.4?Ignition, cross-lighting and flame stability . 30? 6.5?Pressure regulator
14、30? 6.6?Combustion . 30? 6.7?Air-proving device in the common duct . 31? 6.8?Prolonged performance 31? 6.9?Measurements of oxides of Nitrogen, NOx . 32? 7?Test methods . 32? 7.1?General . 32? 7.2?Construction and design 39? 7.3?Safety of operation 39? 7.4?Other pollutants 52? 8?Marking and instructi
15、ons . 55? 8.1?Marking of the system and the packaging . 55? 8.2?Instructions 59? 8.3?Presentation 63? 9?Evaluation of conformity of POCEDs and their associated terminals 63? 9.1?General . 63? 9.2?Type testing . 63? 9.3?Factory production control (FPC) . 64? Annex A (informative) National situations
16、. 66? A.1?General . 66? A.2?Categories listed in the body of the standard and marketed in different countries 66? 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 777-3:2009 EN 777-3:2009 (E) 3 A.3?Appliance supply pressures corresponding to the categories given in A.2 68? A.4?Special categories marketed na
17、tionally or locally . 70? A.5?Test gases corresponding to the special categories given in A.4 . 74? A.6?Gas connections in the various countries . 75? A.7?Flue connections in the various countries . 77? Annex B (informative) System F . 78? Annex C (informative) Equivalence rules . 79? C.1?Conversion
18、 to categories within a restricted Wobbe Index range 79? C.2?Conversion to categories within an identical Wobbe Index range 79? C.3?Conversion to categories within a wider Wobbe Index range 80? Annex D (informative) Calculation of the mass flow rate of flue gases 81? D.1?Flue gas mass flow rate 81?
19、D.2?Quantity of air in the flue gas 81? D.3?Flue gas excess air ratio () . 82? D.4?Quantity of water vapour in the flue gas 82? D.5?Quantity of Nitrogen in the flue gas 82? D.6?Quantity of Oxygen in the flue gas 82? D.7?Dry quantity of flue gas 83? D.8?Quantity of carbon dioxide in the flue gas . 83
20、? Annex E (informative) Identification of gas types in use in various countries 85? Annex F (normative) Special national conditions . 86? F.1?General . 86? Annex G (informative) Calculation example of the weighting factors for a system with several rates 87? G.1?Appliance rates . 87? G.2?Weighting o
21、f Qpi,% = 20 87? G.3?Weighting of Qpi,% = 40 87? G.4?Weighting of Qpi,% = 60 87? G.5?Weighting of Qpi,% = 70 88? G.6?Total weighting 88? Annex H (informative) NOx conversion calculation . 89? H.1?NOx emission conversion factors 89? H.2?NOx Conversion Calculation 90? Annex I (informative) National si
22、tuations of countries whose national bodies are CEN associate members . 92? Annex J (informative) An example of sampling plans 93? J.1?Sampling plans 93? J.2?Inspection levels and procedures . 94? Annex K . 95? K.1?General conditions of test 95? K.2?Test conditions 95? K.3?Test procedure 95? K.4?Acc
23、uracy of measurement . 97? K.5?Calculation of Flue Loss. 97? Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives . 100? Annex ZB (informative) Clauses of this European Standard addressing the provisions of the EU Constructio
24、n Products Directive 103? ZB.1?Scope and relevant characteristics . 103? ZB.2?Procedure(s) for attestation of conformity of construction products 105? ZB.3 CE marking and labelling . 108? Bibliography . 110? BS EN 777-3:2009 EN 777-3:2009 (E) 4 Foreword This document (EN 777-3:2009) has been prepare
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS EN 777-3-2009 Multi-Burner Gas-Fired Overhead Radiant Tube Heater Systems for Non Domestic Use Part 777
链接地址:https://www.31doc.com/p-3648177.html