1、BS EN 125:2010ICS 13.220.20; 27.060.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDFlame supervisiondevices for gasburning appliances Thermoelectric flamesupervision devicesBS EN 125:2010 +A1:2015BS EN 125:2010+A1:2015ISBN 978 0 580 81350 4Amendments/corrigen
2、da issued since publicationDate Comments30 November 2015 Implementation of CEN amendment A1:2015This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 June 2010 The British Standards Institution 2015. Published by BSI Standards Limited 2015Nation
3、al forewordThis British Standard is the UK implementation of EN 125:2010+A1:2015. It supersedes BS EN 125:2010 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendmen
4、t. For example, text altered by CEN amendment A1 is indicated by .The UK participation in its preparation was entrusted to Technical Committee GSE/22, Safety and control devices for gas and oil burners and gas burning appliances.A list of organizations represented on this committee can be obtained o
5、n 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 immunity from legal obligations.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN
6、125:2010+A1 November 2015 ICS 27.060.20 Supersedes EN 125:2010English Version Flame supervision devices for gas burning appliances - Thermoelectric flame supervision devices Dispositifs de surveillance de flamme pour appareils gaz - Dispositifs thermolectriques de surveillance de flamme Flammenberwa
7、chungseinrichtungen fr Gasgerte - Thermoelektrische Zndsicherungen This European Standard was approved by CEN on 22 April 2010 and includes Amendment 1 approved by CEN on 5 September 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for gi
8、ving 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 of
9、ficial 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
10、of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain
11、, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide
12、for CEN national Members. Ref. No. EN 125:2010+A1:2015 EContents Page European foreword . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions . 6 4 Classification . 7 4.1 Classes of control . 7 4.2 Groups of control . 7 4.3 Classes of control functions . 7 5 Units of measurement and test co
13、nditions 7 6 Construction requirements . 7 6.1 General 7 6.2 Mechanical parts of the control . 7 6.2.1 Appearance 7 6.2.2 Holes 7 6.2.3 Breather holes 7 6.2.4 Test for leakage of breather holes 8 6.2.5 Screwed fastenings . 8 6.2.6 Jointing 8 6.2.7 Moving parts . 8 6.2.8 Sealing caps . 8 6.2.9 Disman
14、tling and reassembly 8 6.3 Materials . 8 6.3.1 General material requirements . 8 6.3.2 Housing . 8 6.3.3 Test for leakage of housing after removal of non-metallic parts . 8 6.3.4 Zinc alloys 8 6.3.5 Springs providing closing and/or sealing force . 8 6.3.6 Resistance to corrosion and surface protecti
15、on 8 6.3.7 Impregnation 8 6.3.8 Seals for glands for moving parts 8 6.4 Gas connections . 9 6.4.1 Making connections 9 6.4.2 Connection sizes 9 6.4.3 Threads . 9 6.4.4 Union joints . 9 6.4.5 Flanges 9 6.4.6 Compression fittings 9 6.4.7 Nipples for pressure test 9 6.4.8 Strainers . 9 6.5 Electronic p
16、arts of the control 9 6.6 Protection against internal faults for the purpose of functional safety 9 7 Performance . 9 7.1 General 9 7.2 Leak-tightness . 10 BS EN 125:2010+A1:2015 EN 125:2010+A1:2015 (E)7.3 Test for leak-tightness 10 7.3.1 General . 10 7.3.2 External leak-tightness . 10 7.3.3 Interna
17、l leak-tightness . 11 7.4 Torsion and bending . 11 7.5 Torsion and bending tests . 11 7.6 Rated flow rate 11 7.7 Test for rated flow rate . 11 7.7.1 Apparatus 11 7.7.2 Test procedure 11 7.7.3 Conversion of air flow rate 11 7.8 Durability. 11 7.9 Performance tests for electronic controls . 12 7.10 Lo
18、ng-term performance for electronic controls . 12 7.101 Operating torque and force . 12 7.101.1 Requirement 12 7.101.2 Test for operating torque and force 12 7.102 Interlocks . 13 7.102.1 Requirement 13 7.102.2 Test for interlocks 13 7.103 Closing current 13 7.103.1 Requirement 13 7.103.2 Test for cl
19、osing current 13 7.104 Sealing force . 14 7.104.1 Requirement 14 7.104.2 Test for sealing force . 14 7.105 Endurance . 14 7.105.1 Requirement 14 7.105.2 Endurance test . 14 8 EMC/Electrical requirements . 15 9 Marking, installation and operating instructions . 15 9.1 Marking 15 9.2 Installation and
20、operating instructions . 16 9.3 Warning notice 16 Annex A (informative) Gas connections in common use in the various countries. 17 Annex B (informative) Leak-tightness test volumetric method 18 Annex C (informative) Leak-tightness test pressure loss method . 19 Annex D (normative) Conversion of pres
21、sure loss into leakage rate . 20 Annex E (normative) Electrical/electronic component fault modes 21 Annex F (normative) Additional requirements for safety accessories and pressure accessories as defined in EU Directive 97/23/EC . 22 Annex G (normative) Materials for pressurized parts . 23 Annex H (i
22、nformative) Additional materials for pressurized parts 24 Annex I (normative) Requirements for controls used in DC supplied gas burners and gas burning appliances . 25 Annex AA (informative) Types of flame supervision devices 26 BS EN 125:2010+A1:2015 EN 125:2010+A1:2015 (E)Annex ZA (informative) Re
23、lationship between this European Standard and the Essential Requirements of EU Directive 2009/142/EC relating to appliances burning gaseous fuels 28 Bibliography . 30 Figures Figure AA.1 Various types of thermoelectric flame supervision device in the closed position 27 Figure AA.2 Various types of t
24、hermoelectric flame supervision device in the operating and ignition position . 28 Tables Table 1 Sequence of testing . 10 Table 2 Maximum leakage rates 10 Table 3 Nominal sizes and operating torque 12 Table 4 Operating cycles . 15 Table ZA.1 Correspondence between this European Standard and Directi
25、ve 2009/142/EC relating to appliances burning gaseous fuels . 28 BS EN 125:2010+A1:2015 EN 125:2010+A1:2015 (E)European foreword This document (EN 125:2010+A1:2015) has been prepared by Technical Committee CEN/TC 58 “Safety and control devices for burners and appliances burning gaseous or liquid fue
26、ls”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2016, and conflicting national standards shall be withdrawn at the latest by May 2016. Attention i
27、s drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document includes Amendment 1 approved by CEN on 2015-09-05. This document supersedes !EN 12
28、5:2010“. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For r
29、elationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This document is intended to be used in conjunction with EN 13611:2007. This document refers to clauses of EN 13611:2007 or adapts clauses by stating “with the following modification“, “with the f
30、ollowing addition“, “is replaced by the following“ or “is not applicable“ in the corresponding clause. This European Standard adds clauses or subclauses to the structure of EN 13611:2007 which are particular to this standard. It should be noted that these clauses and subclauses are not indicated as
31、an addition. It should be noted that the following significant technical changes compared to the previous edition have been incorporated in this European Standard: a) alignment with EN 13611:2007; b) updating of Clause 2, Normative references; c) new declaration of nominal diameter and maximum inlet
32、 pressure. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,
33、France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 125:2010+A1:2015 EN 125:2010+A1:2015 (E)1 Scope This European Standard
34、 specifies the safety, construction and performance requirements for thermoelectric flame supervision devices, energized by a thermocouple intended for use with gas burners, gas appliances and similar use, hereafter referred to as “controls“. This European Standard is applicable to controls with dec
35、lared maximum inlet pressures up to and including 500 kPa (5 bar) of nominal connection sizes up to and including DN 50 for use with one or more fuel gases in accordance with EN 437. This European Standard is not applicable to: a) the thermocouple; b) controls which use auxiliary energy (e.g. electr
36、ical energy supplied externally). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) a
37、pplies. EN 13611:2007, Safety and control devices for gas burners and gas burning appliances General requirements 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13611:2007 and the following apply. 3.101 thermocouple thermoelectric flame sensing eleme
38、nt that responds to the temperature of the supervised flame, and in which the flame effect produces an electromotive force (e.m.f.) 3.102 flame supervision device control which, in response to the e.m.f. produced by the thermocouple, maintains the gas way to the main burner or the main burner and th
39、e pilot burner open and which shuts off the gas way to the main burner at least, after extinction of the supervised flame NOTE For further reference see Figure AA.1 and Figure AA.2. 3.103 ignition interlock part which prevents the igniter from operating as long as the main gas way is open 3.104 re-s
40、tart interlock mechanism which prevents the re-opening of the gas way to the main burner or to the main burner and the pilot burner until the armature plate has separated from the magnetic element NOTE For further reference see Figure AA.1 and Figure AA.2. BS EN 125:2010+A1:2015 EN 125:2010+A1:2015
41、(E)3.105 sealing force force acting on the closure member when the closure member is in the closed position, independent of any force provided by fuel gas pressure 3.106 closed position position of the closure member(s) in the absence of the thermoelectric energy 4 Classification 4.1 Classes of cont
42、rol EN 13611:2007, 4.1 is replaced by the following: Controls shall be classified A, B or C according to the number of operations as tested in 7.105.2.2. 4.2 Groups of control Shall be according to EN 13611:2007, 4.2. 4.3 Classes of control functions EN 13611:2007, 4.3 is not applicable. 5 Units of
43、measurement and test conditions Shall be according to EN 13611:2007, Clause 5. 6 Construction requirements 6.1 General Shall be according to EN 13611:2007, 6.1 with the following addition: Controls shall shut off the gas way to the burner automatically with at least the sealing force specified in 7.
44、104 in case of failure in the thermoelectric current. Controls shall also be designed so that during ignition either the gas way to the main burner is open, if there is no pilot burner, or the gas way to the main burner is closed and that to the pilot burner is open. 6.2 Mechanical parts of the cont
45、rol 6.2.1 Appearance Shall be according to EN 13611:2007, 6.2.1. 6.2.2 Holes Shall be according to EN 13611:2007, 6.2.2. 6.2.3 Breather holes EN 13611:2007, 6.2.3 is not applicable. BS EN 125:2010+A1:2015 EN 125:2010+A1:2015 (E)6.2.4 Test for leakage of breather holes EN 13611:2007, 6.2.4 is not app
46、licable. 6.2.5 Screwed fastenings Shall be according to EN 13611:2007, 6.2.5. 6.2.6 Jointing Shall be according to EN 13611:2007, 6.2.6. 6.2.7 Moving parts Shall be according to EN 13611:2007, 6.2.7. 6.2.8 Sealing caps Shall be according to EN 13611:2007, 6.2.8. 6.2.9 Dismantling and reassembly Shal
47、l be according to EN 13611:2007, 6.2.9. 6.3 Materials 6.3.1 General material requirements Shall be according to EN 13611:2007, 6.3.1. 6.3.2 Housing Shall be according to EN 13611:2007, 6.3.2. 6.3.3 Test for leakage of housing after removal of non-metallic parts Shall be according to EN 13611:2007, 6
48、.3.3 with the following addition: The test shall be performed in accordance with 7.3.2. 6.3.4 Zinc alloys Shall be according to EN 13611:2007, 6.3.4. 6.3.5 Springs providing closing and/or sealing force Shall be according to EN 13611:2007, 6.3.5. 6.3.6 Resistance to corrosion and surface protection
49、Shall be according to EN 13611:2007, 6.3.6. 6.3.7 Impregnation Shall be according to EN 13611:2007, 6.3.7. 6.3.8 Seals for glands for moving parts Shall be according to EN 13611:2007, 6.3.8. BS EN 125:2010+A1:2015 EN 125:2010+A1:2015 (E)6.4 Gas connections 6.4.1 Making connections Shall be according to EN 13611:2007, 6.4.1. 6.4.2 Connection sizes Shall be according to EN 13611:2007, 6.4.2. 6.4.3 Threads Shall be according to EN 13611:2007, 6.4.3. 6.4.4 Union joints Shall be according to EN 13611:2007, 6.4.4. 6.4.5 Flanges Shall be according to EN 13611:
