1、BRITISH STANDARDBS EN 1092-3:2003Incorporating Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN designated Part 3: Copper alloy flangesICS 23.040.60g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g5
2、1g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58corrigenda July 2004and August 2007BS EN 1092-3:2003This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 8 March 2004National forewordThis British Standard i
3、s the UK implementation of EN 1092-3:2003, The UK participation in its preparation was entrusted to Technical Committee PSE/15, Flanges.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary pro
4、visions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigena issued since publicationAmd. No. Date Comments15319 Corrigendum No. 125 August 2004 Corrections to all Figures The British St
5、andardsInstitution 2016. Published byBSI Standards Limited 2016ISBN 978 0 580 60435 530 April 2016 Implementation of CEN corrigendumAugust 2007: Table 6, “Pitch circlediameter“ column, value K updated for DN 40BS 4504-3.3:1989 which is withdrawn.incorporating corrigenda July 2004 and August 2007. It
6、 supersedesEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1092-3September 2003ICS 23.040.60 Incorporating corrigenda July 2004 and August 2007English versionFlanges and their joints - Circular flanges for pipes, valves,fittings and accessories, PN designated - Part 3: Copper alloyflangesBrides et
7、 leurs assemblages - Brides circulaires pour tubes,appareils de robinetterie, raccords et accessoires,dsignes PN - Partie 3: Brides en alliages de cuivreFlansche und ihre Verbindungen - Runde Flansche frRohre, Armaturen, Formstcke und Zubehrteile, nach PNbezeichnet - Teil 3: Flansche aus Kupferlegie
8、rungenThis European Standard was approved by CEN on 27 June 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical re
9、ferences concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into
10、 its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, P
11、ortugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2003 CEN All rights of exploitation in any form and by any means reservedworldwide
12、for CEN national Members.Ref. No. EN 1092-3:2003 E2Contents PageForeword3Introduction .31 Scope 42 Normative references 63 Terms and definitions64 Designation 74.1 General74.2 Standard designation 74.3 Information to be supplied by the equipment manufacturer.75 General requirements85.1 Materials .85
13、.2 Repairs85.3 Bolting.85.4 Gaskets .85.5 Pressure/temperature (p/T) ratings85.6 Dimensions.95.7 Flange facings95.8 Spot facing or back facing105.9 Tolerances 115.10 Marking .11Annex A (informative) Information to be supplied by the equipment manufacturer28Annex B (informative) Application and insta
14、llation .29Annex C (informative) Approximate masses of flanges and collars30Annex ZA (informative) Relationship between this European Standard and the Essential Requirementsof EU Directive 97/23/EC .34Bibliography 35BS EN 1092-3:2003 EN 1092-3:2003 (E)3ForewordDue to the incorrect hatching, all figu
15、res were replaced.This document (EN 1092-3:2003) has been prepared by Technical Committee CEN/TC 74 “Flanges and theirjoints“ the secretariat of which is held by DIN.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement,
16、at the latest by March 2004, and conflicting national standards shall be withdrawn at the latest byMarch 2004.This document has been prepared under a mandate given to CEN by the European Commission and the EuropeanFree Trade Association, and supports essential requirements of the Pressure Equipment
17、Directive (PED)1).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard.EN 1092 consists of the following parts: Part 1: Steel flanges; Part 2: Cast iron flanges; Part 3: Copper alloy flanges; Part 4: Aluminium alloy flanges.The annexes A, B, C a
18、nd ZA are informative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark,Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Irelan
19、d, Italy, Luxembourg, Malta, Netherlands,Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom.IntroductionThis standard is related to ISO 7005-3 in respect of flanges having the same PN. The types of flanges and theirmating dimensions are identical with those flanges of the
20、same DN and PN given in ISO 7005-3, except that certainflange types in accordance with this standard may regularly be supplied with raised face facings.The mating dimensions of the flanges of this standard are compatible with PN designated flanges of other materialsin accordance with the other parts
21、 of EN 1092.1)Directive 97/23 EC of the European Parliament and of the Council of 29 May 1997 on the approximation of the Laws of theMember States concerning pressure equipment; OIEC L 181.BS EN 1092-3:2003 EN 1092-3:2003 (E)41 ScopeThis European Standard specifies requirements for circular copper a
22、lloy flanges and copper alloy collars combined withloose steel plate flanges in PN designations from PN 6 to PN 40 and nominal sizes from DN 10 to DN 1800 in the typesshown in Table 1.This standard also specifies dimensions and tolerances, materials and their associated pressure/temperature (p/T)rat
23、ings, flange facings and related surface finish, weld repairs, and marking, together with information on bolting,gaskets, application/installation and approximate flange masses.The flanges specified, with the exception of integral (type 21) flanges, are for attachment to copper or copper alloytubes
24、in accordance with EN 12449.NOTE 1 When the flanges specified in this standard are required for use with copper or copper alloy tubes to EN 1057 in thosetube diameters which are different to EN 12449, this should be agreed between the equipment manufacturer and the flangemanufacturer.NOTE 2 The size
25、 of copper and copper alloy tubes is designated by reference to the outside diameter in millimetres.NOTE 3 See also annex B.NOTE 4 Non-gasketed pipe joints are outside the scope of this standard.Table 1 Types of flanges and collarsTypeno.Description01 Plate flange in copper alloy for brazing or weld
26、ing02 Loose plate flange in steel with a plate collar (type 32) in copper alloy, for brazing or welding.04 Loose plate flange in steel with a weld-neck collar (type 34) in copper alloy, for welding.05 Blank flange in copper alloy.05C Blank flange in steel clad with a copper alloy jointing face.07Loo
27、se plate flange in steel with a slip-on collar (type 37) in copper alloy, for soft soldering, brazingor welding.11 Weld-neck flange in copper alloy for welding.12 Hubbed slip-on flange in copper alloy, for soft soldering, brazing or welding.14Hubbed slip-on flange in copper alloy supplied with tube
28、stops, for soft soldering, brazing orwelding.21 Integral flange in copper alloy as part of some other equipment or component32 Plate collar in copper alloy34 Weld-neck collar in copper alloy.37 Slip-on collar in copper alloy.BS EN 1092-3:2003 EN 1092-3:2003 (E)5Copper alloy component Steel component
29、Type 01Plate flange in copper alloyfor brazing or weldingType 02, 32Loose plate flange in steel with aplate collar (type 32) in copper alloyfor brazing and weldingType 04, 34Loose plate flange in steel with aweld-neck collar(type 34) in copperalloy for weldingType 05, 05C05 Blank flange in copper al
30、loy05C Blank flange in steel clad witha copper alloy jointing faceType 07, 37Loose plate flange in steel with aslip-on collar (type 37) in copperalloy, for soft soldering, brazing orweldingType 11Weld-neck flange in copper alloy forweldingType 12Hubbed slip- on flange in copperalloy, for soft solder
31、ing, brazing orweldingType 14Hubbed slip-on flange in copperalloy supplied with tube stops, forsoft soldering, brazing or weldingType 21Integral flange in copper alloy aspart of some other equipment orcomponentFigure 1 Types of flanges and collarsBS EN 1092-3:2003 EN 1092-3:2003 (E)62 Normative refe
32、rencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these
33、 publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 1333:1996, Pipework components Definition and selection of PN.EN 1652, Copper and copper alloy
34、s Plate, sheet, strip and circles for general purposes.EN 1982, Copper and copper alloys Ingots and castings.EN 10028-2, Flat products made of steels for pressure purposes Part 2: Non-alloy and alloy steels with specifiedelevated temperature properties.EN 10222-2, Steel forgings for pressure purpose
35、s Part 2: Ferritic and martensitic steels with specified elevatedtemperature properties.EN 12420, Copper and copper alloys Forgings.EN 12449, Copper and copper alloys Seamless round tubes for general purposes.EN ISO 887, Plain washers for metric bolts, screws and nuts for general purposes General pl
36、an (ISO 887:2000).EN ISO 4287, Geometrical Product Specifications (GPS) Surface texture: Profile method Terms, definitionsand surface texture parameters (ISO 4287:1997).EN ISO 6708:1995, Pipework components Definition and selection of DN (nominal size) (ISO 6708:1995).3 Terms and definitionsFor the
37、purposes of this standard, the following terms and definitions apply.3.1DNsee EN ISO 6708:19953.2PNsee EN 1333:19963.3maximum allowable pressure, PSmeans the maximum allowable pressure for which the equipment is designed, as specified by the equipmentmanufacturer3.4maximum allowable temperature, TSm
38、eans the maximum allowable temperature for which the equipment is designed, as specified by the equipmentmanufacturerBS EN 1092-3:2003 EN 1092-3:2003 (E)74 Designation4.1 GeneralThe types of flanges and their reference numbers are given in Table 1 and the range of DN applicable to each flangetype an
39、d to each PN shall be as given in Table 3.4.2 Standard designationFlanges and collars in accordance with this standard shall be designated by the following:a) Designation, e.g. flange or collar;b) Number of this standard, EN 1092-3;c) Number of flange type in accordance with Figure 1;d) Type of flan
40、ge facing, A or B in accordance with Figure 1 (only for types 11, 12, 14 and 21);e) PN designation, PN;f) Nominal size, DN;g) Bore diameter B1(only for flanges which can be made to suit more than one tube diameter see Tables 5to 9);h) Material number or symbol (see Tables 11 and 12) (for type 05C fl
41、anges it is necessary to specify both thematerial of the flange and the material of the cladding).EXAMPLE 1 Designation of a plate flange type 01 with facing type A, in PN 6 and nominal size DN 800 and in materialsymbol CuAl8Fe3:Flange EN 1092-3/01A/PN 6/DN 800/CW303GEXAMPLE 2 Designation of a loose
42、 flange type 07, in PN 10 and nominal size DN 50 and in material symbol S235JR:Flange EN 1092-3/07/PN 10/DN 50/S235JREXAMPLE 3 Designation of slip-on collar type 37, in PN 10 and nominal size DN 50 with bore diameter B1= 57,23 and inmaterial symbol CuZn20Al2As:Collar EN 1092-3/37/PN 10/DN 50/57,23/C
43、W702REXAMPLE 4 Designation of a blank flange type 05C with clad jointing face, in PN 25 and nominal size DN 150 and inmaterials symbols S235JR (for blank flange) and CuNi30Mn1Fe (for cladding):Flange EN 1092-3/05C/PN 25/DN 150/S235JR-CW354HEXAMPLE 5 Designation of a weld-neck flange type 11 with fac
44、ing type B, in PN 16 and nominal size DN 100 and inmaterial symbol CuAl10Fe2-C:Flange EN 1092-3/11B/PN 16/DN 100/CC331G4.3 Information to be supplied by the equipment manufacturerFor information to be supplied by the equipment manufacturer see annex A.BS EN 1092-3:2003 EN 1092-3:2003 (E)85 General r
45、equirements5.1 MaterialsFlanges and collars shall be manufactured from the materials specified in Tables 11 and 12 except for type 21 flangeswhere the flange manufacturer may use other materials by agreement with the equipment manufacturer.The flange manufacturer shall provide means of identifying t
46、he material of the flange. An equipment manufacturermay require a certificate in accordance with EN 10204 which is suitable for the category of the equipment to whichthe flange is fitted.NOTE If a protective coating such as zinc coating or zinc painting is required on steel components, the equipment
47、 manufacturershould state this on the enquiry and/or order.5.2 Repairs5.2.1 Repairs by welding are permitted when there is a proven method and where not otherwise prohibited by theapplicable material standard. All welding shall be carried out in accordance with a written procedure.NOTE For approval
48、of welding procedures, see EN 288-1. For approval of welders, see EN 287-1.5.2.2 Any filler rod used for weld repairs shall be such as to produce a weld having characteristics at least equal tothe parent metal. Flanges shall be heat treated after repair welding when the material standard requires su
49、chtreatment.5.3 BoltingFlanges shall be suitable for use with the nominal size and number of bolts specified in Tables 5 to 9 as appropriate.The bolting material shall be chosen by the equipment manufacturer according to the pressure, temperature, flangematerial and the selected gasket so that the flanged joint remains tight under the expected operating conditions.NOTE 1 For information on bolting, see EN 1515-1 and EN 1515-2 and annex B.NOTE 2 For flange types 01, 05, 11, 12, 14 and 21, where copper alloy bolting is u
