1、BS EN 16475-3:2016Chimneys AccessoriesPart 3: Draught regulators, standstillopening devices and combined secondaryair devices Requirements and testmethodsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 16475-3:2016 BRITISH STANDARDNational forewordThis British
2、Standard is the UK implementation of EN 16475-3:2016.The UK participation in its preparation was entrusted to TechnicalCommittee B/506/1, Chimneys general requirements.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport t
3、o include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016 .Published by BSI Standards Limited 2016ISBN 978 0 580 80846 3ICS 91.060.40Compliance with a British Standard cannot confer immunity fromlegal obligations.Thi
4、s British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 16475-3:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16475-3 April 2016 ICS 91.060.40 English
5、 Version Chimneys - Accessories - Part 3: Draught regulators, standstill opening devices and combined secondary air devices - Requirements and test methods Conduits de fume - Accessoires - Partie 3: Rgulateurs de tirage, dispositifs douverture pour priode darrt et dispositifs combins dair secondaire
6、 - Exigences et mthodes dessai Abgasanlagen - Zubehrteile - Teil 3: Selbstttig arbeitende, zwangsgesteuerte und kombinierte Nebenluftvorrichtungen - Anforderungen und Prfmethoden This European Standard was approved by CEN on 27 November 2015. CEN members are bound to comply with the CEN/CENELEC Inte
7、rnal Regulations which stipulate the conditions for giving 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
8、 CEN member. This European Standard exists in three official 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 ve
9、rsions. CEN members are the national standards bodies 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
10、, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploita
11、tion in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16475-3:2016 EBS EN 16475-3:2016EN 16475-3:2016 (E) 2 Contents Page European foreword . 5 Introduction 6 1 Scope 7 2 Normative references 7 3 Terms and definitions . 7 4 Product characteristics . 8 4.1 General
12、 8 4.2 Dimensions and tolerances . 8 4.3 Mechanical resistance and stability . 8 4.4 Thermal performance . 8 4.4.1 Reaction to fire . 8 4.4.2 Fire resistance (internal to external) 8 4.5 Hygiene, health and environment . 9 4.5.1 Gas tightness . 9 4.5.2 Condensate resistance . 9 4.5.3 Corrosion resis
13、tance 9 4.5.4 Dangerous substances . 9 4.6 Additional criteria for chimney operation. 9 4.6.1 Determination of the draught regulator group 9 4.6.2 Adjustability and function of the draught regulator . 10 4.6.3 Durability of the standstill opening device . 11 4.7 Electrical requirements . 11 4.7.1 Mo
14、tor 11 4.7.2 Limit switches 11 5 Testing, assessment and sampling methods 11 5.1 Thermal performance 11 5.1.1 General . 11 5.1.2 Test Assembly 12 5.1.3 Test procedure 13 5.1.4 Standstill opening device durability test . 14 5.2 Gas tightness 14 5.2.1 Test assembly 14 5.2.2 Test Procedure 15 5.2.3 Tes
15、t results . 15 5.3 Additional criteria for chimney operation 15 5.3.1 Adjustability of the draught regulator . 15 5.3.2 Draught regulator group test . 16 6 Assessment and verification of constancy of performance (AVCP) . 16 6.1 General . 16 6.2 Type testing 16 6.2.1 General . 16 6.2.2 Test samples,
16、testing and compliance criteria 17 6.2.3 Test reports 18 6.2.4 Shared other party results 18 BS EN 16475-3:2016EN 16475-3:2016 (E) 3 6.2.5 Cascading determination of the product type results . 19 6.3 Factory production control (FPC) . 20 6.3.1 General . 20 6.3.2 Requirements . 20 6.3.3 Product speci
17、fic requirements 23 6.3.4 Initial inspection of factory and of FPC . 23 6.3.5 Continuous surveillance of FPC . 24 6.3.6 Procedure for modifications . 24 7 Manufacturers declaration for type test . 24 8 Product information 25 8.1 Manufacturers instructions . 25 8.2 Minimum information to be included
18、in the manufacturers instructions . 25 9 Classification and designation . 25 9.1 General . 25 9.2 Temperature classes and test temperature 26 9.3 Corrosion resistance 26 9.4 Soot fire resistance and distance to combustible material . 26 9.5 Draught regulator groups and whether it is a standstill ope
19、ning device . 26 10 Marking, labelling and packaging . 26 10.1 Draught regulator and standstill opening device . 26 10.2 Packaging . 27 Annex A (normative) Choice of sizes for type test and sampling . 28 A.1 Thermal testing . 28 A.2 Gas tightness . 28 A.3 Condensate resistance 28 A.4 Determination o
20、f the group 28 A.5 Adjustability . 28 A.6 Durability of standstill opening device . 28 A.7 Samples 28 A.8 Factory production control system 28 A.9 Further type testing . 28 Annex B (informative) Sampling for factory productions control . 29 B.1 Sampling plans . 29 B.1.1 General . 29 B.1.2 Acceptable
21、 quality level (AQL) . 29 B.1.3 The inspection level . 29 B.1.4 Normal, tightened or reduce inspection 29 B.1.5 Single, double, multiple or sequential sampling . 29 B.1.6 Batch quantity 29 B.2 Inspection levels and procedures . 29 B.2.1 Incoming material 29 BS EN 16475-3:2016EN 16475-3:2016 (E) 4 B.
22、2.2 In-process inspection . 30 B.2.3 Finished goods checks 30 Annex C (normative) Factory production control . 31 C.1 Introduction . 31 C.2 Materials, including coatings . 31 C.3 Seals and sealants 31 C.4 Manufacturing checks 31 C.4.1 Dimensions . 31 C.4.2 Other checks 31 Annex D (informative) Recom
23、mended range of application . 32 D.1 Tables for the selection of the draught regulator group Height against diameter 32 Annex E (informative) Examples of products . 34 E.1 Without standstill opening device . 34 Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.305
24、/2011 36 ZA.1 Scope and relevant characteristics 36 ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) 37 ZA.3 Assignment of AVCP tasks . 37 Bibliography . 40 BS EN 16475-3:2016EN 16475-3:2016 (E) 5 European foreword This document (EN 16475-3:2016) has been prepared by Tec
25、hnical Committee CEN/TC 166 “Chimneys”, the secretariat of which is held by ASI. 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 October 2016, and conflicting national standards shall be withdrawn
26、 at the latest by January 2018. 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 has been prepared under a mandate given
27、to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Regulation, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the nationa
28、l 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithua
29、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16475-3:2016EN 16475-3:2016 (E) 6 Introduction This standard forms a part of the series of standards for chimney accessories: Part 1: Silencers
30、 Part 2: Chimney fans Part 3: Draught regulators, standstill opening devices and combined secondary air devices (this part) Part 4: Flue dampers Part 5: Explosion/implosion relief devices Part 6: Access components Part 7: Rain caps Independent draught regulators are for the purpose of reducing negat
31、ive pressure that is too large in the chimney, which can result through the use of commercially available cross-section dimensions, despite being designed e.g. according to EN 13384-1:2015, Calculation method for chimneys serving single appliance. They serve to increase the flue gas speed and the ve
32、ntilation of the chimney, for the purpose of drying out (see explanations). Standstill opening devices interlocked with the combustion system are exclusively for the purpose of ventilating the chimney during standby. BS EN 16475-3:2016EN 16475-3:2016 (E) 7 1 Scope This European Standard specifies th
33、e requirements and test methods for draught regulators, standstill opening devices and combined secondary air devices that are used as components, carrying flue gases, in order to limit the draught in chimneys and provide secondary air to the chimney. Draught regulators, standstill opening devices a
34、nd combined secondary air devices for positive pressure chimneys are not covered by this standard. It also specifies the requirements for marking, manufacturers instruction, product information and attestation and verification of constancy of performance (AVCP). 2 Normative references The following
35、documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1443, Chimneys Gen
36、eral requirements EN 10088-1, Stainless steels Part 1: List of stainless steels EN 10346, Continuously hot-dip coated steel flat products for cold forming Technical delivery conditions EN 13216-1, Chimneys Test methods for system chimneys Part 1: General test methods EN 60730-2-14, Automatic electri
37、cal controls for household and similar use Part 2-14: Particular requirements for electric actuators (IEC 60730-2-14) EN 61058-1, Switches for appliances Part 1: General requirements (IEC 61058-1) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1443,
38、and the following apply. 3.1 draught regulator device with a hinged flap in a flue opening to allow entry of secondary air into the flue to regulate the draught 3.2 standstill opening device device which is opened motorised to allow air to enter the flue during the standstill period of the heating a
39、ppliance 3.3 combined secondary air device combination of a draught regulator and standstill opening device BS EN 16475-3:2016EN 16475-3:2016 (E) 8 3.4 sootfire safe accessory (As) accessory that may not perform its intended function during and after a sootfire but does not prevent the safe operatio
40、n or change the designation “G” of the chimney or connecting flue pipe Note 1 to entry: “As” can only be used for accessories and not for chimneys, flue liners and connecting flue pipes. Note 2 to entry: Measures to be taken after the event of a sootfire are to be found in the relevant product stand
41、ard. 4 Product characteristics 4.1 General The draught regulator, and if appropriate the standstill opening device, housing and flap in contact with combustion products shall have a material with 0,6 mm minimum thickness, and a specification for steel according to EN 10088-1 of 1.4301, and 1.4404, a
42、nd 1.0306 according to EN 10346 for any corrosion class for dry applications, and for wet applications, only for corrosion class 1 and 2, a steel according to EN 10088-1 of 1.4404 or higher. The draught regulator and standstill opening devices shall fulfil the following requirements, if appropriate.
43、 The combined secondary air devices shall fulfil the requirements of both, if appropriate. 4.2 Dimensions and tolerances The manufacturer is free to choose dimensions and tolerances for the manufacture of draught regulators and if appropriate standstill opening devices. 4.3 Mechanical resistance and
44、 stability The draught regulator, and standstill opening device, shall be able to move freely before and after the thermal tests except for a product designated As after a soot fire test. 4.4 Thermal performance 4.4.1 Reaction to fire As the fire reaction is not relevant for draught regulators and/o
45、r standstill opening devices, no declaration is necessary. 4.4.2 Fire resistance (internal to external) 4.4.2.1 General The manufacturer shall declare the minimum distance of the draught regulator, and if appropriate standstill opening device, to combustible material and the requirement of 4.4.2.2 a
46、nd if appropriate 4.4.2.3 shall be met at the distance declared by the manufacturer. For a temperature designation up to T450, a declaration of at least 400 mm for the distance to combustible material is deemed to satisfy this requirement without testing. 4.4.2.2 Heat stress The draught regulator, a
47、nd if appropriate standstill opening device, shall be tested in accordance with 5.1.3.2 and the requirements of 4.3 and 4.5.1 shall be met, and one of the flow rates of the group determination of 4.6.1, at the lowest declared setting, is within 10 % of the original value determined before thermal ex
48、posure. BS EN 16475-3:2016EN 16475-3:2016 (E) 9 4.4.2.3 Sootfire The draught regulator, and if appropriate the standstill opening device, designated sootfire resistant shall be tested in accordance with 5.1.3.3 and the requirements of 4.3 and 4.5.1 shall be met, and one of the flow rates of the grou
49、p determination of 4.6.1, at the lowest declared setting, is within 10 % of the original value determined before thermal exposure. If the product satisfies all criteria it may be designated G. If it only satisfies the criteria of 4.5.1 it may be designated As. Otherwise it may only be designated O. 4.5 Hygiene, health and environment 4.5.1 Gas tightness When a draught regulator, and if appropriate standstill opening device, is tested according to the test methods described in 5.1, the individual values of leakage rate shall not be v
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