BS EN 1106-2010 Manually operated taps for gas burning appliances《燃气器具的手动龙头》.pdf

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1、BS EN 1106:2010ICS 23.060.40; 27.060.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDManually operatedtaps for gas burningappliancesThis British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 30 June2010 BSI 2010ISBN 9

2、78 0 580 63425 3Amendments/corrigenda issued since publicationDate CommentsBS EN 1106:2010National forewordThis British Standard is the UK implementation of EN 1106:2010. Itsupersedes BS EN 1106:2001 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GSE/2

3、2, Safety and control devices for gas and oil burnersand gas burning appliances.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its corre

4、ct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 1106:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1106 May 2010 ICS 23.060.40 Supersedes EN 1106:2001English Version Manually operated taps for gas burning appliances Robinets commande ma

5、nuelle pour appareils gaz Handbettigte Einstellgerte fr Gasgerte This European Standard was approved by CEN on 29 April 2010. 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 standard w

6、ithout 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 langu

7、age 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, Croatia, Cyprus, Czech Republic, Denmark, Estoni

8、a, 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 STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPI

9、SCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1106:2010: EBS EN 1106:2010EN 1106:2010 (E) 2 Contents Page Foreword 51 Scope 62 Normative reference

10、s 63 Terms and definitions .64 Classification . 114.1 Classes of control . 114.2 Groups of taps 124.3 Classes of control functions . 125 Units of measurement and test conditions 126 Construction requirements 126.1 General . 126.2 Mechanical parts of the control . 126.2.1 Appearance . 126.2.2 Holes 1

11、26.2.3 Breather holes . 126.2.4 Test for leakage of breather holes 126.2.5 Screwed fastenings 126.2.6 Jointing 126.2.7 Moving parts 126.2.8 Sealing caps 126.2.9 Dismantling and reassembly . 136.2.101Operating parts of taps 136.3 Materials 136.3.1 General material requirements 136.3.2 Housing 136.3.3

12、 Test for leakage of housing after removal of non-metallic parts . 136.3.4 Zinc alloys . 136.3.5 Springs providing closing and/or sealing force 136.3.6 Resistance to corrosion and surface protection . 136.3.7 Impregnation . 136.3.8 Seals for glands for moving parts. 146.3.101Tap closure member . 146

13、.4 Gas connections . 146.5 Electronic parts of the control . 146.6 Protection against internal faults for the purpose of functional safety 146.101 Component parts 146.101.1General . 146.101.2Turning angles 146.101.2.1 General . 146.101.2.2 Opening at maximum flow . 156.101.2.3 Opening at minimum flo

14、w 156.101.2.4 Single outlet tap 156.101.3Lubrication 156.101.4Stops 156.101.5Safety lock . 156.101.6Bearing seal . 156.101.7Taper angle 166.101.8Pre-setting devices . 166.101.9Open and closed position of a tap 16BS EN 1106:2010EN 1106:2010 (E) 3 6.101.10 Compensation means for taps . 166.101.11 Spri

15、ng effect in taps 167 Performance . 167.1 General . 167.2 Leak-tightness . 167.3 Test for leak-tightness 167.4 Torsion and bending . 167.5 Torsion and bending tests 167.6 Rated flow rate . 177.7 Test for rated flow rate 177.7.1 Apparatus . 177.7.2 Test procedure . 177.7.3 Conversion of air flow rate

16、 . 177.8 Durability 177.9 Performance tests for electronic controls 177.10 Long-term performance for electronic controls . 177.101 Operating torque and force 177.101.1Requirements for operating torque . 177.101.2Test for operating torque 187.101.3Requirements for operating force . 187.101.4Test for

17、operating force 187.101.5Requirements for operating torque for safety lock . 187.101.6Test for operating torque for safety lock 197.102 Endurance 197.102.1Requirement . 197.102.2Endurance test . 198 EMC/Electrical requirements 199 Marking, installation and operating instructions . 209.1 Marking . 20

18、9.2 Installation and operating instructions . 209.3 Warning notice . 20Annex A (normative) Gas connections in common use in the various countries . 21Annex B (informative) Leak-tightness test volumetric method 22Annex C (informative) Leak-tightness test pressure loss method . 23Annex D (normative) C

19、onversion of pressure loss into leakage rate . 24Annex E (normative) Electrical/electronic component fault modes 25Annex F (normative) Additional requirements for safety accessories and pressure accessories as defined in EU Directive 97/23/EC . 26Annex G (normative) Materials for pressurized parts .

20、 27Annex H (informative) Additional materials for pressurized parts 28Annex I (normative) Requirements for controls used in DC supplied gas burners and gas burning appliances 29Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2009/142/

21、EC relating to appliances burning gaseous fuels 30Bibliography 32Figures Figure 1 Taper plug tap . 7Figure 2 Disc tap 8BS EN 1106:2010EN 1106:2010 (E) 4 Figure 3 Linear disc tap 9Figure 4 Parallel plug tap . 10Figure 5 Needle valve . 11Tables Table 1 Marking . 14Table 2 Maximum operating torque. 18T

22、able 3 Maximum operating force . 18Table ZA.1 Correspondence between this European Standard and Directive 2009/142/EC relating to appliances burning gaseous fuels 30BS EN 1106:2010EN 1106:2010 (E) 5 Foreword This document (EN 1106:2010) has been prepared by Technical Committee CEN/TC 58 “Safety and

23、control devices for burners and appliances burning gaseous or liquid fuels”, 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 November 2010, and conflicting

24、 national standards shall be withdrawn at the latest by November 2010. Attention is 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 s

25、upersedes EN 1106:2001. 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 relationship with EU Directive(s), see informative Annex ZA, which is an integral part

26、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 following addition“, “is replaced with the following“ or “is not applicable“ in the cor

27、responding 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 an addition. It should be noted that the following significant technical changes com

28、pared to the previous edition have been incorporated in this European Standard: a) scope is enlarged to maximum inlet pressures up to and including 50 kPa (500 mbar); b) alignment with EN 13611:2007; c) updating of Clause 2, Normative references; d) requirements from EN 126:2004 relating to “Open an

29、d closed position of a tap“, “Compensation means for taps“ and “Spring effect in taps“ were included (refer to 6.101.9 to 6.101.11); e) requirements and tests relating to durability of elastomers in contact with gas (7.8 of this standard) are now totally aligned with EN 13611:2007, 7.8. According to

30、 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lat

31、via, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 1106:2010EN 1106:2010 (E) 6 1 Scope This European Standard specifies the safety, construction and performance requirements for manually oper

32、ated taps and pre-setting taps intended for use with gas appliances and similar use, hereafter referred to as “taps“. This European Standard is applicable to taps with declared maximum inlet pressures up to and including 50 kPa (500 mbar) of nominal connection sizes up to and including DN 50 for use

33、 with one or more fuel gases in accordance with EN 437. This European Standard does not apply to manual operated shut-off valves conforming to EN 331. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edit

34、ion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 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

35、and definitions given in EN 13611:2007 and the following apply. 3.101 control tap direct or indirect manually operated devices with one or more outlets for the control of the flow of gas from an off to an on position and vice versa NOTE Parts commonly used in taps are shown as examples in Figures 1

36、to 5. BS EN 1106:2010EN 1106:2010 (E) 7 Key 1 body 2 plug 3 latch pin 4 operating spindle 5 flats for handle 6 latch pin guide 7 spring for operating spindle 8 gas inlet 9 bearing seal 10 gas outlet 11 reduced flow rate gas inlet 12 reduced flow rate gas way 13 overlapping seal 14 sealing ring 15 re

37、stricting screw 16 sealing screw for pre-setting screw 17 pre-setting screw 18 tap 19 reduced flow rate screw Figure 1 Taper plug tap BS EN 1106:2010EN 1106:2010 (E) 8 Key 1 operating spindle 2 latch pin 3 spring for operating spindle 4 disc 5 body 6 gas inlet 7 latch pin guide 8 gas outlet Figure 2

38、 Disc tap BS EN 1106:2010EN 1106:2010 (E) 9 Key 1 operating spindle 2 valve rod 3 spring for operating spindle 4 washer 5 spindle stop 6 tap body 7 gas inlet 8 disk spring 9 tap disk 10 O-ring seal 11 gas outlet Figure 3 Linear disc tap BS EN 1106:2010EN 1106:2010 (E) 10 Key 1 operating spindle 2 la

39、tch pin guide 3 adjustable stop 4 plug seal 5 body 6 plug 7 spring for operating spindle 8 latch pin 9 flat(s) for handle 10 gas outlet 11 main flow rate gas way 12 reduced flow rate gas way 13 gas inlet Figure 4 Parallel plug tap BS EN 1106:2010EN 1106:2010 (E) 11 Key 1 latch pin 2 seal 3 body 4 ne

40、edle 5 gas inlet 6 gas outlet Figure 5 Needle valve 3.102 tap closure member part of the tap which releases, varies or shuts off the gas flow 3.103 gas rate pre-setting device device for pre-setting the gas rate to a given value NOTE The setting can be either discontinuous (by change of calibrated o

41、rifices) or continuous (by setting screw). 3.104 flow rate curve curve which indicates the air flow in relation to the angle of opening 3.105 bearing seal shortest distance between gas-carrying parts and the atmosphere measured along the length of the sealing surfaces 4 Classification 4.1 Classes of

42、 control Shall be according to EN 13611:2007, 4.1 with the following addition: Taps are classified according to the number of operations that may be expected of the tap during the life of the appliance: 5 000 operations (e.g. central heating boilers); 10 000 operations (e.g. space heaters); 40 000 o

43、perations (e.g. domestic hot plates). BS EN 1106:2010EN 1106:2010 (E) 12 4.2 Groups of taps 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 measurement and test conditions Shall be according to EN 13611:2007, Clause 5. 6 Con

44、struction requirements 6.1 General Shall be according to EN 13611:2007, 6.1. 6.2 Mechanical parts of the control 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 Shall be according to EN 13611:2007, 6.2.3. 6.2.4

45、 Test for leakage of breather holes Shall be according to EN 13611:2007, 6.2.4. 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 a

46、ccording to EN 13611:2007, 6.2.8. BS EN 1106:2010EN 1106:2010 (E) 13 6.2.9 Dismantling and reassembly Shall be according to EN 13611:2007, 6.2.9. 6.2.101 Operating parts of taps Taps operated by rotation shall be opened by turning the operating device anticlockwise and closed by turning it clockwise

47、, except for taps which provide more than one burner with gas. Taps shall be operated manually without the use of tools. It shall not be possible in normal use to apply such forces to the closure member that it is lifted out of its seat or is brought into a position which causes the leakage rates to

48、 exceed the values given in 7.2. It shall not be possible to exert direct axial pressure (other than spring pressure) on the closure member when the operating spindle is depressed to clear any knitting arrangement. The taper plug at the large diameter shall be recessed into the body, and the plug shall protrude beyond the taper of the body at the small end. There shall be adequate clearance provided for this protrusion. 6.3 Materials 6.3.1 General material requirements Shall be

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