BS EN 777-4-1999 Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use — Part 4 System H, safety.pdf
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1、BRITISH STANDARD BS EN 777-4:1999 Incorporating Amendments Nos. 1, 2 and 3 Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use Part 4: System H, safety The European Standard EN 777-4:1999, with the incorporation of amendments A1:2001, A2:2001 and A3:2002, has the status
2、of a British Standard ICS 27.060.20; 97.100.20 ? Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/08/2004 05:52:10 MST Questions or comments about this message: please call the Documen
3、t Policy Group at 303-397-2295. -,-,- BS EN 777-4:1999 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee on 15 October 1999 BSI 6 September 2002 ISBN 0 580 32541 5 National foreword This B
4、ritish Standard is the official English language version of EN 777-4:1999, including amendments A1:2001, A2:2001 and A3:2002. The UK participation in its preparation was entrusted to Technical Committee GSE/20, Non-domestic space heaters (gas), which has the responsibility to: A list of organization
5、s represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence
6、 Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. 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 does not of itself
7、 confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them i
8、n the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 92, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Sidelining in this document indicates the m
9、ost recent changes by amendment. Amendments issued since publication Amd. No. DateComments 1318117 October 2001 1337821 January 2002Indicated by a sideline 139366 September 2002 Revision of 5.2.9 Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Doc
10、ument provided by IHS Licensee=Bureau Veritas/5959906001, 11/08/2004 05:52:10 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 777-4 May 1999 + A1 +A3 February 2001 April 2002 + A2 July 200
11、1 ICS 97.100.20 English version Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use - Part 4: System H, safety (includes amendments A1:2001, A2:2001, and A3:2002) Tubes radiants suspendus multi-brleurs utilisant les combustibles gazeux usage non domestique Partie 4: Syst
12、me H, scurit (inclut les amendements A1:2001, A2:2001 et A3:2002) Gasgerte-Heizstrahler Dunkelstrahlersysteme mit mehreren Brennern mit Geblse fr gewerbliche und industrielle Anwendung Teil 4: System H, Sicherheit (enthlt nderungen A1:2001, A2:2001 und A3:2002) This European Standard as approved by
13、CEN on 1999-04-10. Amendment A1:2001 was approved by CEN on 2000-11-27. Amendment A2:2001 was approved by CEN on 2001-06-09, and Amendment A3:2002 was approved by CEN on 2002-03-05. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving th
14、is 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (
15、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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech
16、Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Central Secretariat: rue de Sta
17、ssart, 36 B-1050 Brussels 1999 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 777-4:1999 + A1:2001 + A2:2001 + A3:2002 E Copyright British Standards Institution Reproduced by IHS under license with BSI - Uncontrolled Copy Document
18、provided by IHS Licensee=Bureau Veritas/5959906001, 11/08/2004 05:52:10 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- ContentsPage Foreword4 1Scope5 2 Normative references6 3 Definitions7 3.1 System and its constituent parts7 3.2 Adjusting
19、, control and safety devices10 3.3 Operation of the system12 3.4Gases14 3.5Conditions of operation and measurement16 3.6Country of destination16 4Classification of systems17 4.1Classification according to the nature of the gases used (categories)17 4.2Classification according to the gases capable of
20、 being used17 4.3Classification according to the mode of evacuation of the combustion products18 5Constructional requirements19 5.1General19 5.2Requirements for adjusting, control and safety devices23 5.3Ignition devices29 5.4Main burners30 5.5Pressure test points30 5.6Injectors30 6Operational requi
21、rements30 6.1Soundness30 6.2Heat inputs30 6.3Limiting temperatures31 6.4Ignition, cross-lighting and flame stability31 6.5Pressure governor32 6.6Combustion32 6.7Prolonged performance33 Page 2 EN 7774:1999 Foreword4 PageContents ContentsPage PageContents Copyright British Standards Institution Reprod
22、uced by IHS under license with BSI - Uncontrolled Copy Document provided by IHS Licensee=Bureau Veritas/5959906001, 11/08/2004 05:52:10 MST Questions or comments about this message: please call the Document Policy Group at 303-397-2295. -,-,- ? 6.8Measurement of oxides of Nitrogen, NOx33 7Test metho
23、ds34 7.1General34 7.2Construction and design40 7.3Safety of operation41 8Marking and instructions55 8.1Marking of the system and the packaging55 8.2Instructions58 8.3Presentation61 Annex A (informative) System H62 Annex B (informative) National situations62 Annex C (informative) Equivalence rules73
24、Annex D (informative) Calculation of the mass flow rate of flue gases74 Annex E (informative) Identification of the types of gas in use in the various countries77 Annex F (normative) Special national conditions78 Annex G (informative) Example of calculation of the weighting factors for a system with
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