1、DEUTSCHE NORM March 1998 I DIN Copper and copper alloy plumbing fittings Part 1 : Fittings with ends for capillary soldering or I EN 1254-1 capillary brazing to copper tubes Enalish version of DIN EN 1254-1 ICs 23.040.40 Descriptors: Copper, plumbing fittings. This standard supersedes DIN 2856-1 O,
2、February 1988 edition, and, together with DIN EN 1254-4, March 1998 edition, supersedes DIN 2856, February 1986 edition. Kupfer und Kupferlegierungen - Fittings - Teil 1 : Kapillarltfittings fr Kupferrohre (Weich- und Hartlten) European Standard EN 1254-1 : 1998 has the status of a DIN Standard. A c
3、omma is used as the decimal marker. National foreword This standard has been prepared by CEN/TC 133. The responsible German body involved in its preparation was the Normenausschu Rohre, Rohrverbindungen und Rohrleitungen (Pipes, Pipe Joints and Pipelines Standards Committee), Technical Committee Fit
4、tings. DIN 50916-1 is the DIN Standard corresponding to International Standard IS0 6957 referred to in clause 2 of the EN. Amendments DIN 2856-10, February 1988 edition and DIN 2856, February 1986 edition, have been superseded by the specifications of EN 1254-1 and EN 1254-4. Previous editions DIN 2
5、856: 1966-05, 1970-1 2, 1977-1 O, 1986-02; DIN 2856-1 O: 1988-02. National Annex NA Standards referred to (and not included in Normative references) DIN 50916-1 Stress corrosion crack testing of copper tubes, rod and sections EN comprises 26 pages. No pari of this standard may be reproduced without
6、the prior permission of Ref. No. DIN EN 1254-1 : 1998-0 V Deutsches Institut fr Nonung e. V., Berlin. Luth Verlag GmbH, D-10772 Berlin, has the exclusive right of sale for German Standards (DIN-Normen). English price group 13 Sales No . . 1113 08.98 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
7、EN 1254-1 January 1998 ICs 23.040.40 Descriptors: Copper, plumbing fittings. English version Copper and copper alloys - Plumbing fittings Part 1 : Fittings with ends for capillary soldering or capillary brazing to copper tubes Cuivre et alliages de cuivre - Rac- cords - Partie 1 : Raccords braser pa
8、r capillarit pour tubes en cuivre Kupfer und Kupferlegierungen - Fittings - Teil 1 : Kapillarltfittings fr Kupferrohre (Weich- und Hartlten) This European Standard was approved by CEN on 1997-1 1-24. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditi
9、ons for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national stand- ards may be obtained on application to the Central Secretariat or to any CEN member. The European Standards exist in three o
10、fficial 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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austri
11、a, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Norm
12、ung Central Secretariat: rue de Stassart 36, 8-1050 Brussels O 1998. CEN - All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 1254-1 : 1998 E Page 2 EN 1254-1 : 1998 Contents Page Foreword 3 1 2 3 3.1 3.2 3.3 3.4 3.5 4 4.1 4.2 4.3 4.4 4.5
13、 4.6 5 5.1 5.2 5.3 5.4 5.5 5.6 6 7 7.1 7.2 8 8.1 8.2 Scope Normative references Definitions plumbing fitting capillary end reducer (capillary soldering or brazing for copper tube) adaptor fitting nominal diameter Requirements General Materials Dimensions and tolerances Design and manufacture Product
14、ion test requirements Type test requirements Test methods Assembly dimensions Leaktightness under internal hydrostatic pressure Pressure test Carbon in bore tests Dezincification resistance test Stress corrosion resistance test Designation Marking General Dezincification resistant copper-zinc alloys
15、 Documentation Declaration of conformity User instructions Annex A (normative) Carbon film test Annex B (normative) Determination of mean depth of dezincification Annex C (informative) Bibliography 4 4 6 6 6 7 15 17 17 18 18 22 22 22 23 23 23 24 24 24 24 24 24 25 26 27 Page 3 EN 1254-1 : 1998 Forewo
16、rd This European Standard has been prepared by Technical Committee CEN/TC 133 “Copper and copper alloys“, 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 or by endorsement, at the latest by J
17、uly 1998, and conflicting national standards shall be withdrawn at the latest by July 1998. Within its programme of work, Technical Committee CEN/TC 133 requested CEN/TC 133/WG 8 “Copper and copper alloy fittings“ to prepare the following standard: EN 1254-1 Copper and copper alloys - Plumbing fitti
18、ngs - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes This standard is one of five parts for copper and copper alloy fittings for joining copper tubes or plastics pipes. The other four parts of the standard are : EN 1254-2 Copper and copper alloys - Plumbing f
19、ittings - Part 2: Fittings with compression ends for use with copper tubes EN 1254-3 Copper and copper alloys - Plumbing fittings - Part 3: Fittings with compression ends for use with plastics pipes EN 1254-4 Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connect
20、ions with capillary or compression ends EN 1254-5 Copper and copper alloys - Plumbing fittings - Part 5: Fittings with short ends for capillary brazing to copper tubes It is recommended that fittings manufactured to this standard are certified as conforming to the requirements of this standard, base
21、d on third party testing and continuing surveillance which should be coupled with an assessment of a suppliers quality system against the appropriate standard i.e. EN IS0 9001 or EN IS0 9002. In respect of potential adverse effects on the quality of water intended for human consumption, caused by th
22、e product covered by this standard: i this standard provides no information as to whether the product may be used without restriction in any of the Member States of the EU or EFTA; 2) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations
23、concerning the use and/or the characteristics of this product remain in force. The attention of the user of this standard is drawn to the fact that national or local regulations or practices might restrict the choice of dimensions and threads in the application of products conforming to this standar
24、d. According to the CENICENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
25、Portugal, Spain, Sweden, Switzerland and the United Kingdom. Page 4 EN 1254-1 : 1998 1 Scope This European Standard specifies materials, assembly dimensions and tolerances and test requirements for fittings of copper and copper alloys with or without plating. Maximum permissible temperatures and pre
26、ssures are also established. This Part of EN 1254 specifies connection end dimensions of capillary soldering and brazing ends for the purposes of joining copper tubes specified in EN 1057. Fittings may comprise a combination of any of the end types specified in EN 1254-1 to EN 1254-5 or other standa
27、rds. The standard establishes a designation system for the fittings. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are list
28、ed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. EN 723 Copper and copper al
29、loys - Combustion method for determination of carbon on the inner surface of copper tubes or fittings EN 1057 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications EN 1254-2 Copper and copper alloys - Plumbing fittings - Part 2: Fittings with
30、compression ends for use with copper tubes EN 1254-3 Copper and copper alloys - Plumbing fittings - Part 3: Fittings with compression ends for use with plastics pipes EN 1254-4 Copper and copper alloys - Plumbing fittings - Part 4: Fittings combining other end connections with capillary or compressi
31、on ends EN 1254-5 Copper and copper alloys - Plumbing fittings - Part 5: Fittings with short ends for capillary brazing to copper tubes EN IS0 6509 :1995 Corrosion of metals and alloys - Determination of dezincification resistance of brass (IS0 6509: 1981) Page 5 EN 1254-1 : 1998 IS0 6957 Copper all
32、oys - Ammonia test for stress corrosion resistance NOTE: Informative references to documents used in the preparation of this standard, and cited at the appropriate places in the text, are listed in a bibliography, see annex C. 3 Definitions For the purposes of this standard, the following definition
33、s apply: 3.1 plumbing fitting Device used in a tube system for the purpose of connecting the tubes either to each other or to a component part of a system. 3.2 capillary end End in which the joint is made by the flow of solder or brazing alloy by capillary action into the annular space. 3.3 reducer
34、(capillary soldering or brazing for copper tube) Component used to enable an end to connect tube of a smaller nominal diameter than the nominal diameter of the fitting end. Page 6 EN 1254-1 : 1998 3.4 adaptor fitting Fitting combining more than one type of end. NOTE: For details of the other ends, s
35、ee the relevant Parts of this standard or other standards. 3.5 nominal diameter Nominal diameter of the fitting end expressed as the nominal outside diameter of the connecting tube. 4 Requirements 4.1 General Fittings shall conform to the requirements of 4.2 to 4.5 and shall be capable of meeting th
36、e type testing requirements of 4.6. Reducers also shall conform to these requirements. 4.2 Materials 4.2.1 General Fittings shall be made from copper or copper alloys selected from materials either: - specified in European copper and copper alloy product standards; or - registered by CEN/TC 133; pro
37、vided that the fittings manufactured from them meet the functional requirements of this standard. NOTE: Some of the standardized coppers and copper alloys commonly used for the manufacture of fittings are shown in table 1. Details of registered alloys can be obtained from the CEN/TC 133 Secretariat.
38、 Page 7 EN 1254-1 : 1998 Symbol Table 1: Examples of commonly used materials Number CU-DHP CuSnSZnSPbS-C CuZn36Pb2As CuZn39Pb3 Standard CW024A prEN 12449 CC49 1K prEN 1982 CW602N EN 12164 CW614N EN 12164 CuZn33Pb2-C CuZnl SAS-C cc75os prEN 1982 CC76OS prEN 1982 4.2.2 Restrictions in the choice of ma
39、terials Cu-ETP (CWOO4A) is a permitted material only for integral solder ring fittings and shall not be used for other types of capillary fittings. Leaded solders shall not be used for manufacture of integral solder ring fittings. 4.3 Dimensions and tolerances 4.3.1 Tolerances on diameters The stand
40、ardized nominal dimensions, diameters and their tolerances, are given in table 2. The socket and male end tolerances on diameter shall be in accordance with table 2 which shall be verified by the use of gauges shown in figures 5 and 6 and tables 7 and 8. NOTE 1: Tolerances in accordance with table 2
41、 and the use of gauges in accordance with tables 7 and 8 will ensure the distribution of solder or brazing alloy throughout the joint and will allow for the alignment of the male end of a fitting or the free end of a tube in the socket. NOTE 2: When capillary fittings are used for soldering or brazi
42、ng to copper tubes, the ends of the tubes should be sized to the outside diameter dimensions specified in table 2 for a length not less than the length of engagement of the fitting. NOTE 3: Socket and male ends are shown diagrammatically in figures 1 and 2. NOTE 4: The installation dimensions cannot
43、 be standardized due to varying manufacturing processes. The manufacturer should be consulted for these dimensions. Page 8 EN 1254-1 : 1998 42” 53,6” Table 2: Tolerances on the nominal diameter +0,06 -0,07 Values in millimetres I I Nominal diameter +0,04 -0,05 21 22 25 27,4 28 34” 35” 40“ 40,5” +0,0
44、5 -0,06 I 542 I 76.1” +0,07 -0.08 )minal diameter D Inside diameter of socket +0,15 +0,06 +0,18 +0.07 +0,23 +0,09 +0,33 +0,10 Resulting diametrical difft max. 0,20 0.24 0.30 0,41 min. 0,02 0,02 0,03 0,03 1062 108” end. The soldering or brazing of tubes and fittings for these diameters requires speci
45、al precautions regarding working practices. Page 9 EN 1254-1 : 1998 Figure 1: Socket *) When the male end diameter is less than the fitting diameter, L, for the male end should be increased by L2 (see table 3). Figure 2: Maie end 4.3.2 Minimum lengths of engagement The minimum lengths of engagement
46、of sockets and male ends shall be in accordance with table 3. The length L, for integral solder ring fittings or integral brazing ring fittings shall not include the width of the solder or brazing alloy groove see figure 1 b). Male ends intended for use with integral ring sockets shall include an al
47、lowance for the width of the solder or brazing alloy groove. Page 1 O EN 1254-1 : 1998 106 108 Table 3: Minimum lengths of engagement 473 4 47.5 4 Page 11 EN 1254-1 : 1998 8 9 10 12 14 14.7 15 16 4.3.3 Minimum bore area 68 7,o 7,o 93 10,o 11,o 11.0 12,o The minimum cross-sectional area of the bore t
48、hrough each fitting shall be not less than the theoretical minimum area of the bore given in table 4, except that for unequal-ended or adaptor fittings with ends specified in EN 1254-2, EN 1254-3, EN 1254-4 and EN 1254-5 or other standards, the smallest diameter shall apply provided that this diamet
49、er does not restrict other outlets. 25 27.4 28 34 35 40 Table 4: Minimum bore Dimensions in millimetres 21,o 23,O 23.0 29.0 29,O 35.0 I Nominaidiameter D I Minimum bore i 667 70 57,O 60.0 I 18 I 14,O 1 I 21 I 18,O 1 I 22 I 18.0 1 40.5 -1 36,O 1 - 1 42 36,O 1 - I 53,6 I 47,O 1 I 54 I 47.0 1 I 64 55,O 88.9 92,O I 108 I 92,O I Page 12 EN 1254-1 : 1998 4.3.4 Minimum wall thickness Minimum wall thickness measured at any point shall be in accordance with dimension e in table 5 (see figure 3). The minimum wall thickness requirements do not apply under indented marking o
