1、 STD.BSI BS EN 125b0-Y-ENGL 2001 I Lb2Ybb 0903792 Li20 BRITISH STANDARD Flanges and their joints - Gaskets for Class-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges The European Standard EN 12560-4:2001 has the status of a Brit
2、ish Standard ICs 23.040.80 BS EN 12 5 60-4: 200 1 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW STD*BSI BS EN L25bO-q-ENGL 2001 D 1b2Libb7 0903793 3b7 = BS EN 12560-4:2001 Amd. No. National foreword Date Comments This British Standard is the official English language version
3、 of EN 12560-4:2001. It supersedes BS 7076-4:1989 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PSEIB, Jointing material and compounds, which has the responsibility to: - - aid enquirers to understand the text; present to the responsible European co
4、mmittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations represented on this committee can be obtained on request to its secretary. Cross-
5、references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic
6、Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. This British Standard, having
7、been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 March 2001 Sunimary Of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 13 and a back cover
8、. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication 8 BSI 03-2001 ISBN O 580 37049 6 EUROPEAN STANDARD EN 125604 NORME EUROPENNE EUROPISCHE NORM January 2001 ICs 23.040.80 English version Flanges and their joints - Gask
9、ets for Class-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges Brides et leurs assemblages - Joints pour les brides dsignes Class - Partie 4: Joints mtalliques onduls, plat ou stris et joints mtalloplastiques pour utilisation av
10、ec des brides en acier Flansche und ihre Verbindungen - Dichtungen fr Flansche mit Class-Bezeichnung -Teil 4: Dichtungen aus Metall mit gewelltem, flachem oder gekerbtem Profil fr StahMansche This European Standard was approved by CEN on 28 December 2000. CEN members are bound to comply with the CEN
11、ICENELEC Internal 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 Management Centre or to an
12、y 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 Management Centre has the same status as the official versions. CEN
13、 members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMlTEE FOR STANDARDIZATION COMITE EUROPkEN DE NORMA
14、LISATION EUROPAISCHES KOMITEE FUR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels O 2001 CEN All rights of exploitation in any form and by any means resewed worldwide for CEN national Members. Ref. No. EN 12560-4:2001 E Page 2 EN 12560:2001 Contents Page Foreword . 2 Introduction 4 1
15、Scope . 5 2 Normative references 5 3 Terms and definitions . 5 3.1 DN 5 3.2 NPS 5 3.3 Class 5 4 Designations . 6 4.1 Range of Class designations 6 4.2 Range of gasket sizes 6 4.3 Gasket types and designs . 6 4.4 Information to be supplied by the purchaser 6 5 Gasket designs 7 6 Gasket types 8 7 Dime
16、nsions 8 7.1 Diameters 8 7.2 Thickness 10 8 Marking 11 Annex A (informative) Adeviations 12 Q BSI 03-2001 STDDBSI BS EN LZSbO-Y-ENGL 2OOL IbZrlbbl USOL77b 07b D Page 3 EN 12560-4:2001 Foreword This European Standard has been prepared by Technical Committee CENTTC 74, Flanges and their joints, the Se
17、cretariat 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 July 2001, and conflicting national standards shall be withdrawn at the latest by July 2001. According to the CEN
18、KENELEC 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, Portugal, Spain, Sweden,
19、 Switzerland and the United Kingdom. The annex A is informative and contains “A-deviations”. O BSI 03-2001 Page 4 EN 12560-4:2001 Introduction EN 12560 consists of seven parts: Part 1: Non-metallic flat gaskets with or without inserts Part 2: Spiral wound gaskets for use with steel flanges Part 3: N
20、on-metallic PTFE envelope gaskets Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges Part 5: Metallic ring-joint gaskets for use with steel flanges Part 6: Kammprofile gaskets for use with steel flanges Part 7: Covered metal jacketed gaskets for use w
21、ith steel flanges The terminology and definitions in this standard are in accordance with those given in IS0 Standards. WARNING Gaskets made to this standard may contain asbestos. Materiais containing asbestos may be subject to legislation that requires precautions to be taken when handling them to
22、ensure that they do not constitute a hazard to health (see annex A). Attention is drawn to relevant EC directives. 8 BSI 03-2001 Page 5 EN 12560-412001 1 Scope This European Standard specifies the dimensions and marking of IBC (inside bolt circle) type corrugated, flat or grooved metallic and filled
23、 metallic gaskets for use in conjunction with flanges complying with prEN 1759-1:2000 for Class 150,300,600,900 and 1500 for nominal sizes DN 15 to DN 600, and for Class 2 500 for nominal size DN 15 to DN 300. NOTE Dimensions of other types of gaskets for use with flanges complying with prEN 1759-1:
24、2000, DrEN 1759-3:1994 and DrEN 175941 997 are Wen in DrEN 12560-1 :2000. prEN 12560-2:2000, prEN 12560-3:2000, prEN 12560-42000, prEN 1 2560-6:2000 and prEN 12560-7:2000. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. Th
25、ese nonnative references are cited at the appropriate places in the text and the publications are listed 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 unda
26、ted references the latest edition of the publication referred to applies (including amendments). prEN 1759-1 :2000 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class designated - Part 1: Steel flanges Flanges and their joints - Circular flanges for pipes,
27、valves, fiitings and accessories, Class designated - Part 3 :Copper alloy flanges Flanges and their joints - Circular flanges for pipes, valves, fittings, and accessories, Class designated - Part 4: Aluminium alloy flanges prEN 1759-3: 1 994 prEN 1759-4: 1997 EN IS0 6708 Pipework components - Defini
28、tion and selection of DN (nominal size) (IS0 6708:1995) 3 Terms and definitions For the purposes of this European Standard the following terms and definitions apply: 3.1 DN see EN IS0 6708 3.2 NPS see prEN 1759-3: 1994 3.3 Class see prEN 1759-3:1994 O BSI 03-2001 Page 6 EN 125604:2001 4 Designations
29、 4.1 Range of Class designations Gaskets shall be designated or suitable for use with one or more of the following Class designations of flange: - Class 150; - Class300; - Class600; - Class 900; - Class 1500; - Class2500. 4.2 Range of gasket sizes Gasket nominal sizes shall be designated in accordan
30、ce with the ranges specified in Table 1. 4.3 Gasket types and designs Gasket types and designs, as defined in clause 6 and illustrated in Figure 1, shall be designated as: Self-centering: - SCIA - SCIB - SCIC - SC/D - SCIE With centering ring: - CRIA - CRIB - CRIC - CR/D - CRIE 4.4 Information to be
31、 supplied by the purchaser The following information should be supplied by the purchaser when ordering gaskets: a) the number and Part of this European Standard, i.e. EN 125604; b) gasket type (see clause 6); c) gasket design (see clause 5); d) nominal size (see Table 1); e) Class designation (see T
32、able 1); Additional information that should be supplied by the purchaser: 9 NOTE Before ordering a gasket it is recommended that the selection of the gasket design and type should be made in consultation with the gasket supplier. The selection of gasket design and type should take account of the ope
33、rating conditions, the properties of the gasket material(s), type and surface finish of the flange facing and the flange bolt loading. EXAMPLE A gasket according to EN 125604, with centering ring (type S6) and corngated metal design (design B) of nominal size DN 100, Class 150, shall be designated a
34、s follows : expected operating conditions for which the gasket will be used. Gasket EN 125604 - SCB - DN 100 - Class 150. O BSI 03-2001 Page 7 EN 12560-4:2001 5 Gasket designs Gaskets shall be one of the designs shown in Figure I. c) Flat metal jacketed with filler (Design -IC) a) Corrugated metal,
35、with filler (top) corrugated metal jacket with filler (bottom) (Design -IA) d) Grooved metal (Design -ID) b) Corrugated metal (Design-AB) e) Solid flat metal (Design -/E) Figure 1 - Designs of corrugated, flat or grooved metallic and filled metallic gaskets O BSI 03-2001 Page 8 EN 12560-4:2001 6 Gas
36、kettypes Gaskets are IBC (inside bolt circle) type and shall be for use with type A (flat face) or type B (raised face) flange facings (see Figure 2) and shall be one of the following types: a) self-centering, Type SC/ (see 4.3); b) incorporating a centering ring, Type CFU (see 4.3). NOTE Type A and
37、 type B flange facings are shown in prEN 1759-1 :2000. a) Self-centering b) with centering ring NOTE Type 6, raised face flange facings are shown. Figure 2 - Gaskets for type A or type B flange facings 7 Dimensions 7.1 Diameters The dimensions of corrugated, flat or grooved metallic and filled metal
38、lic gaskets shall be as given in Table I. O BSI 03-2001 STD*BSI BS EN L25b0-4-ENGL 2OOL Ib2Gbb7 0703802 LTT Page 9 EN 12560-4:2001 Table 1 - Dimensions of corrugated, flat or grooved metallic and filled metallic gaskets Nominal size - DN 15 20 25 32 40 50 65 80 1 O0 125 150 200 250 300 350 400 450 5
39、00 600 - N PS % % 1 1% 1% 2 2% 3 4 5 6 8 10 12 14 16 18 20 24 Gasket inside diameter min. mm 22 27 34 43 49 61 73 89 115 141 169 220 273 324 356 407 458 508 61 O a For information only. Class 150 mm 47,6 57,2 66,7 76,2 85,7 104,8 123,8 136,5 174,6 196,9 222,3 279,4 339,7 409,6 450,9 51 4,4 549,3 606
40、,4 71 7,6 Gasket or centering ring outside diameter Class 300 mm =,o 66,7 73,O 82,6 95,3 111,l 130,2 149,2 181,O 215,9 250,8 308,O 362,O 422,3 485,8 539,8 596,9 654,l 774,7 Class 600 mm %,O 66,7 73,O 82,6 95,3 111,l 130,2 149,2 193,7 241,3 266,7 320,7 400,l 457,2 492,l 565,2 61 2,8 682,6 790,6 Class
41、 900 mm 63,5 69,9 79,4 88,9 98,4 142,9 165,l 168,3 206,4 247,7 288,9 358,8 435,O 498,5 520,7 574,7 638,2 698,5 838,2 _ Class 1 500 mm 63,5 69,9 79,4 88,9 98,4 142,9 165,l 174,6 209,6 254,o 282,6 352,4 435,O 520,7 577,9 641,4 704,9 755,7 901,7 Class 2 500 mm 69,9 76,2 85,7 104,8 117,5 146,1 168,3 196
42、,9 235,0 279,4 31 7,5 387,4 476,3 549,3 For flat metal gaskets or filled metal jacketed gaskets the inner diameters of the gaskets shall be as given in Table 2, the outer dimensions remain as shown in Table 1. O BSI 03-2001 Page 10 EN 12560-4:2001 Table 2 - Gasket inside diameter for flat metal gask
43、ets or filled metal iacketed gaskets Nominal size DN 15 20 25 32 40 50 65 80 1 O0 125 1 50 200 250 300 350 400 450 500 600 NPS % % I 1% 1% 2 2% 3 4 5 6 8 10 12 14 16 18 20 24 a for information only Gasket inside diameter Class 150 Class 300 mm 22 29 38 48 57 75 90 113 141 165 196 253 294 356 382 434
44、 500 540 647 Designation Class 600 Class 900 Class 1 500 Class 2 500 mm 22 29 38 48 54 73 86 108 132 152 190 238 286 343 375 425 498 533 641 7.2 Thickness For jacketed gaskets the following specifications shall apply: a) The jacket metal thickness shall be a minimum of 0,38 mm. b) The filler thickne
45、ss shall be a minimum of 1,5 mm. NOTE The selection of the gasket should take into account the fluid, the operating conditions, the properties of the gasket materials, the type and surface finish of the flange facing and the flange bon loading. It is recommended that selection of gaskets for any par
46、ticular application is made in consultation with the gasket supplier. O BSI 03-2001 Page 11 EN 12560-4:2001 8 Marking Gaskets shall be marked either individually or on the packaging containing the gaskets, or by agreement beiween supplier and purchaser, on the packaging containing each individual ga
47、sket, with the following information: a) the number and part of this European Standard, i.e. EN 125604; b) gasket typeldesign designation (see 4.3); c) the nominal size (see Table 1); d) the Class designation (see Table 1); e) materials; 9 manufacturers name or trademark. EXAMPLE EN 12560-4 - SCIA -
48、 DN 1 O0 - Class 600 - XXX - AAAIBBB. O BSI 03-2001 Page 12 EN 12560-4:2001 Annex A (informative) A-deviations This European Standard is mandated under the Council Directive on the approximation of the laws of the Member States concerning pressure equipment. A-deviation: National deviation due to re
49、gulations, the alteration of which is for the time being outside the competence of the CENEENELEC member. NOTE (from CENKENELEC) IR Part 2, 3.1.9): Where standards fall under EC Directives, it is the view of the Commission of the European Communities (OJ No G 59, 9.3.1982) that the effect of the decision of the Court of Justice in case 81W9 CremoninWrankovich (European Court Reports 1980, p. 3583) is that compliance with A-deviations is no longer mandatory and that the free movement of products complying with such a standard should not be restri
