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DIN EN 88-1-2016 Pressure regulators and associated safety devices for gas appliances - Part 1 Pressure regulators for inlet pressures up to and including 50 kPa German version EN .pdf

1、June 2016 English price group 20No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 23.060.40!%VpV“2517751www.din.deDIN

2、 EN 88-1Pressure regulators and associated safety devices for gas appliances Part 1: Pressure regulators for inlet pressures up to and including 50 kPa;English version EN 88-1:2011+A1:2016,English translation of DIN EN 88-1:2016-06Druckregler und zugehrige Sicherheitseinrichtungen fr Gasgerte Teil 1

3、: Druckregler fr Eingangsdrcke bis einschlielich 50 kPa;Englische Fassung EN 88-1:2011+A1:2016,Englische bersetzung von DIN EN 88-1:2016-06Rgulateurs de pression et dispositifs de scurit associs pour appareils gaz Partie 1: Rgulateurs de pression pour pression amont infrieure ou gale 50 kPa;Version

4、anglaise EN 88-1:2011+A1:2016,Traduction anglaise de DIN EN 88-1:2016-06SupersedesDIN EN 88-1:2011-06www.beuth.deDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.Document comprises 52 pages 05.16 DIN EN 88-1:2016-06 2 A comma is used

5、 as the decimal marker. Start of application The start of application of this standard is 2016-06-01. National foreword This standard includes safety requirements in Clauses 6 and 7. This document (EN 88-1:2011+A1:2016) has been prepared by Technical Committee CEN/TC 58 “Safety and control devices f

6、or burners and appliances burning gaseous or liquid fuels” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was DIN-Normenausschuss Heiz- und Raumlufttechnik (DIN Standards Committee Heating and Ventilation Technology), Working Committee NA 041-03-16 AA Mec

7、hanische Sicherheits- und Regeleinrichtungen fr wrmeerzeugende Gerte und Anlagen (SpA CEN/TC 58/WG 13, ISO/TC 161/WG 3, ISO/TC 161/WG 4, ISO/TC 161/WG 5). It is intended to include this standard in the body of technical rules and standards for gas issued by the DVGW Deutscher Verein des Gas- und Was

8、serfaches e.V. (German Technical and Scientific Association for Gas and Water). This standard contains specifications giving technical detail to the essential requirements set out in Annex I of the “Gas Appliances Directive”, Directive 2009/142/EC (see also Annex ZA). Once this standard is cited in

9、the Official Journal of the European Union, it is deemed a “harmonized” standard and thus, a manufacturer applying this standard may assume compliance (“presumption of conformity”) with the requirements of Annex I of the “Gas Appliances Directive”, Directive 2009/142/EC. Directive 2009/142/EC has be

10、en implemented in Germany by the Siebte Verordnung zum Gerte- und Produktsicherheitsgesetz (GPSG) (Seventh Ordinance to the German Equipment and Product Safety Act). Amendments This standard differs from DIN EN 88-1:2011-06 as follows: a) the content of Subclause 7.102.3.1 has been subdivided into S

11、ubclauses 7.102.3.1.1 and 7.102.3.1.2; b) Subclause 7.102.3.2 has been revised; c) the content of Subclause 7.102.3.3 has been subdivided into Subclauses 7.102.3.3.1, 7.102.3.3.2, and 7.102.3.3.3; d) in the new Subclause 7.102.3.3.3, Figure 3 has been added; e) in Subclause 9.2, the former “Figure 3

12、” has been changed to “Figure 4” and the corresponding references in Subclause 9.2, items n) and p), have been changed accordingly. Previous editions DIN 3392: 1971-02 DIN EN 88: 1991-09, 1996-08 DIN EN 88-1: 2008-04, 2011-06 DIN EN 12067-1: 1998-12 DIN EN 12067-1/A1: 2003-08 DIN EN 12078: 1998-12 E

13、UROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 88-1:2011+A1 February 2016 ICS 23.060.40 Supersedes EN 88-1:2011English Version Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa Rgulateurs de pression

14、 et dispositifs de scurit associs pour appareils gaz - Partie 1: Rgulateurs de pression pour pression amont infrieure ou gale 50 kPa Druckregler und zugehrige Sicherheitseinrichtungen fr Gasgerte - Teil 1: Druckregler fr Eingangsdrcke bis einschlielich 50 kPa This European Standard was approved by C

15、EN on 26 February 2011 and includes Amendment 1 approved by CEN on 1 December 2015. 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 without any alteration. Up-to-date lists an

16、d 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 official versions (English, French, German). A version in any other language made by translation under the

17、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 of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugosla

18、v Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE

19、 NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 88-1:2011+A1:2016 EEN 88-1:2011+A1:2016 (E) 2 Contents Page Europea

20、n foreword . 6 1 Scope 8 2 Normative references 8 3 Terms and definitions . 9 4 Classification 12 4.1 Classes of control 12 4.2 Groups of control 12 4.3 Classes of control functions 13 5 Units of measurement and test conditions . 13 6 Construction requirements 13 6.1 General . 13 6.2 Mechanical part

21、s of the control 13 6.2.1 Appearance . 13 6.2.2 Holes . 13 6.2.3 Breather holes . 13 6.2.4 Test for leakage of breather holes . 13 6.2.5 Screwed fastenings 14 6.2.6 Jointing . 14 6.2.7 Moving parts 14 6.2.8 Sealing caps 14 6.2.9 Dismantling and reassembly . 14 6.2.101 Adjustments . 14 6.2.102 Resist

22、ance to pressure . 14 6.2.103 Blockage of canals and orifices . 14 6.2.104 Signal tube connections . 14 6.3 Materials 14 6.3.1 General material requirements 14 6.3.2 Housing 14 6.3.3 Test for leakage of housing after removal of non-metallic parts 15 6.3.4 Zinc alloys . 15 6.3.5 Springs providing clo

23、sing and/or sealing force 15 6.3.6 Resistance to corrosion and surface protection . 15 6.3.7 Impregnation . 15 6.3.8 Seals for glands for moving parts . 15 6.4 Gas connections 15 6.4.1 Making connections. 15 6.4.2 Connection sizes . 15 6.4.3 Threads 15 6.4.4 Union joints 15 6.4.5 Flanges . 15 6.4.6

24、Compression fittings . 15 6.4.7 Nipples for pressure test . 16 6.4.8 Strainers 16 6.5 Electronic parts of the control . 16 6.6 Protection against internal faults for the purpose of functional safety . 16 7 Performance 16 DIN EN 88-1:2016-06EN 88-1:2011+A1:2016 (E)3 7.1 General . 16 7.2 Leak tightnes

25、s 16 7.3 Test for leak tightness . 16 7.3.1 General . 16 7.3.2 External leak-tightness . 16 7.3.3 Internal leak-tightness . 16 7.3.101 External leak-tightness for signal carrying compartment(s) . 17 7.4 Torsion and bending . 17 7.5 Torsion and bending tests . 17 7.6 Rated flow rate 17 7.7 Test for r

26、ated flow 17 7.7.1 Apparatus 17 7.7.2 Test procedure 17 7.7.3 Conversion of air flow rate 17 7.8 Durability. 17 7.9 Performance tests for electronic controls . 17 7.10 Long-term performance for electronic controls . 17 7.101 Pressure regulator performance 17 7.101.1 General . 17 7.101.2 General test

27、 procedure . 18 7.101.3 Class A pressure regulator performance . 20 7.101.4 Class B pressure regulator performance . 20 7.101.5 Class C pressure regulator performance . 21 7.101.6 Endurance . 22 7.101.7 Lock-up pressure 23 7.101.8 Requirement for rendered inoperative pressure regulators 23 7.101.9 T

28、est for rendered inoperative pressure regulators 23 7.102 Pneumatic gas/air ratio pressure regulator performance 23 7.102.1 General . 23 7.102.2 General test procedure . 24 7.102.3 Control performance and stability . 24 7.102.4 Settling time . 26 7.102.5 Gas/air ratio adjustment . 26 7.102.6 Offset

29、adjustment . 27 7.102.7 Endurance . 27 8 EMC/Electrical requirements . 27 8.1 Protection against environmental influences 27 8.2 Supply voltage variations below 85 % of rated voltage 28 8.3 Short term voltage interruptions and decreases 28 8.4 Supply frequency variations . 28 8.5 Surge immunity test

30、 . 28 8.6 Electrical fast transient/burst . 28 8.7 Immunity to conducted disturbances . 28 8.8 Immunity to radiated fields 28 8.9 Electrostatic discharge immunity test 28 8.10 Power frequency magnetic field immunity test 28 8.11 Electrical requirements 28 8.11.1 General . 28 8.11.2 Electrical equipm

31、ent . 28 9 Marking, installation and operating instructions . 29 9.1 Marking 29 9.2 Installation and operating instructions . 29 DIN EN 88-1:2016-06EN 88-1:2011+A1:2016 (E) 4 9.3 Warning notice 31 Annex A (informative) Gas connections in common use in the various countries 32 Annex B (informative) L

32、eak-tightness test volumetric method 33 Annex C (informative) Leak-tightness test pressure loss method . 34 Annex D (normative) Conversion of pressure loss into leakage rate . 35 Annex E (normative) Electrical/electronic component fault modes 36 Annex F (normative) Additional requirements for safety

33、 accessories and pressure accessories as defined in EC Directive 97/23/EC . 37 Annex G (normative) Materials for pressurized parts. 38 Annex H (informative) Additional materials for pressurized parts . 39 Annex I (normative) Requirements for controls used in DC supplied gas burners and gas burning a

34、ppliances 40 Annex AA (informative) Typical pressure regulators and pressure regulator parts . 41 Annex BB (informative) Overview of requirements and test conditions (as given in Clause 7), and examples of performance curves for pressure regulators . 42 Annex ZA (informative) Relationship between th

35、is European Standard and the Essential Requirements of EC Directive 2009/142/EC relating to appliances burning gaseous fuels 48 Bibliography . 50 Figures Figure 1 Step response of a transfer element. 11 Figure 2 Performance test apparatus 19 Figure 3 Gas/air modulation curves 26 !Figure 4“ Delta p v

36、ersus rated flow rate curve 31 Figure AA.1 Types of constant pressure regulators 41 Figure BB.1 Example for class A pressure regulator including maximum outlet pressure variations for constant outlet setting pressure p2sand lock-up pressure p2fincluding typical results 43 Figure BB.2 Example for cla

37、ss A pressure regulator including maximum outlet pressure variations for adjustable outlet setting pressures p2smin, p2smax, and lock-up pressures p2fmin, p2fmax, including typical results 44 Figure BB.3 Example for class A pressure regulator including maximum outlet pressure variation for constant

38、outlet setting pressure p2sincluding typical results 45 Figure BB.4 Example for class B pressure regulator including maximum outlet pressure variation for constant outlet setting pressure p2sincluding typical results 45 Figure BB.5 Example for class C pressure regulator including maximum outlet pres

39、sure variation for constant outlet setting pressure p2sincluding typical results 46 Tables Table 1 Gas pressure at inlet to the pressure regulator. 18 DIN EN 88-1:2016-06EN 88-1:2011+A1:2016 (E) 5 Table 2 Outlet pressure variation from the outlet setting pressure p2s18 Table 3 Control performance te

40、st procedure . 25 Table BB.1 Overview of pressure regulator requirements . 42 Table BB.2 Test procedure . 47 Table ZA.1 Correspondence between this European Standard and Directive 2009/142/EC relating to appliances burning gaseous fuels . 48 DIN EN 88-1:2016-06EN 88-1:2011+A1:2016 (E) 6 European for

41、eword This document (EN 88-1:2011+A1:2016) has been prepared by Technical Committee CEN/TC 58 “Safety and 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, eit

42、her by publication of an identical text or by endorsement, at the latest by August 2016, and conflicting national standards shall be withdrawn at the latest by August 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/o

43、r CENELEC shall not be held responsible for identifying any or all such patent rights. This document includes Amendment 1 approved by CEN on 2015-12-01. This document supersedes !EN 88-1:2011.“ The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. This

44、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 of this document. This docume

45、nt 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 by the following” or “is not applicable“ in the corresponding clause. This Europea

46、n Standard adds clauses or sub-clauses to the structure of EN 13611:2007 which are particular to this European Standard. It should be noted that these clauses and sub-clauses are not indicated as an addition. Sub-clauses or annexes which are additional to those in EN 13611:2007 are numbered starting

47、 from 101 or are designated as Annex AA, BB, CC etc. !deleted text“ EN 88 Pressure regulators and associated safety devices for gas appliances consists of the following parts: EN 88-1, Pressure regulators and associated safety devices for gas appliances Part 1: Pressure regulators for inlet pressure

48、s up to and including 50 kPa; EN 88-2, Pressure regulators and associated safety devices for gas appliances Part 2: Pressure regulators for inlet pressures above 500 mbar up to and including 5 bar. Performance Level (PL) or Safety Integrity Level (SIL) classifications according to EN ISO 13849-1 or

49、EN 61508-1 cannot automatically be claimed based upon compliance with this European Standard. Pressure regulators with PL or SIL classification do not automatically meet the requirements of this European Standard. 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, C

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