1、 STDOBSI BS EN 125b0-5-ENGL 2001 W 1b21ibb7 0701895 010 BRITISH STANDARD Flanges and their joints - Gaskets for Class-designated flanges - Part 5: Metallic ring joint gaskets for use with steel flanges The European Standard EN 12560-5:2001 has the status of a British Standard ICs 23.040.80 BS EN 125
2、60-5:2001 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW STD-BSI BS EN 125b0-5-ENGL 2001 = lbZLibb9 090189b T57 H BS EN 12560-52001 Amd. No. National foreword Date Comments This British Standard is the official English language version of EN 12560-52001. It supersedes BS 7076
3、-2: 1989 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PSE/2, Jointing material and compounds, which has the responsibility to: - - aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretati
4、on, 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-references The British Standards which im
5、plement 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 Catalogue. A British Standard does not pu
6、rport 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 been prepared under the direction of the
7、Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 March 2001 Summary Of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 15 and a back cover. The BSI copyright date displayed in this
8、 document indicates when the document was last issued. Amendments issued since publication O BSI 03-2001 ISBN O 680 37047 X STD-BSI BS EN 22Cb0-5-ENGL 2001 m Ih2LibLq 0901897 993 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 125604 January 2001 ICs 23.040.80 English version Flanges and their
9、joints - Gaskets for Class-designated flanges - Part 5: Metallic ring joint gaskets for use with steel flanges Brides et leurs assemblages -Joints pour les brides d6signes Class - Partie 5: Joints annulaires mtalliques pour utilisation avec des brides en acier Flansche und ihre Verbindungen - Dichtu
10、ngen fr Flansche mit Class-Bezeichnung - Teil 5: RTJ-Dichtungen aus Metall fr Stahlflansche This European Standard was approved by CEN on 28 December 2000. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the s
11、tatus 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 any CEN member. This European Standard exists in three official versions (English, French, German). A
12、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 members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, Fr
13、ance, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMiTTEZ FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 8-1050 Brussels O 20
14、01 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12560-52001 E STDmBSI BS EN L25b0-5-ENGL 2ODL Lb24bb9 0903898 82T W Page 2 Contents EN 12560-5:2001 Page Foreword . 3 Introduction 4 1 2 3 3.1 3.2 4 4.1 4.2 4.3 4.4 4.5 5 6 6.1 6.2
15、 7 8 Scope . 5 Normative references 5 Terms and definitions . 5 NPS 5 Class 5 Designations . 6 Range of Class designations 6 Range of gasket sizes . 6 Gasket types 6 Identification number 6 Information to be supplied by the purchaser 6 Gasket types 7 Dimensions and tolerances 9 Dimensions 9 Toleranc
16、es . 9 Surface finish 13 Marking 14 Annex A (informative) Gasket materials . 15 8 BSI 03-2001 Page 3 EN 12560-5:2001 Foreword This European Standard has been prepared by Technical Committee CEN/TC 74, Flanges and their joints, the Secretariat of which is held by DIN. This European Standard shall be
17、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 CENICENELEC Internal Regulations, the national standards organizations
18、 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, Switzerland and the United Kingdom. The annex A is informative. O
19、 BSI 03-2001 Page 4 EN 12560-52001 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: Non-metallic PTFE envelope gaskets Part 4: Corrugated, flat or grooved metallic and filled metal
20、lic 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 with steel flanges The terminology and definitions in this standard are in accordance with those
21、 given in IS0 Standards. Page 5 EN 12560-5:2001 1 Scope This European Standard specifies the dimensions and marking of metallic ring-joint gaskets for use in conjunction with specific flange facings (type J) of flanges complying with prEN 1759-1:2000 for Class 150, Class 300, Class 600, Class 900 an
22、d Class 1 500 for nominal sizes DN 15 to DN 600, and for Class designation 2 500 up to and including DN 300. NOTE 1 Dimensions of other types of gaskets for use with flanges complying with prEN 1759-1:2000, prEN 1759-3:1994 and prEN 175941997 are given in prEN 12560-1:2000, prEN 12560-2:2000, prEN 1
23、2560-3:2000, prEN 12560-4:2000, prEN 12560-6:2000 and prEN 12560-7:2000. NOTE 2 The materials for metallic ring-joint gaskets are outside the scope of this standard, but guidance on typical materials and their hardnesses is given in annex A. 2 Normative references This European Standard incorporates
24、 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 listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European St
25、andard only when incorporated in it by amendment or revision. For undated 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:
26、 Steel flanges, NPS 2 to NPS 24 EN IS0 4287 Geometrical producf specification (GPS) - Surface textus : Profile method - Terms, definitions and surface texture parameters (IS0 4287:1997) prEN 1759-3:1994 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessones, Class des
27、ignated - Part 3 : Copper alloy flanges prEN 175941 997 Flanges and their joints - Circular flanges for pipes, valves, fflings and accessories, Class designated - Part 4: Aluminium alloy 3 Terms and definitions For the purposes of this European Standard, the following terms and definitions apply: 3.
28、1 NPS see prEN 1759-3:19% 3.2 Class see prEN 1759-3:1994 O BSI 03-2001 Page 6 EN 12560-512001 4 Designations 4.1 Range of Class designations Gaskets shall be designated as suitable for use with one or more of the following Class designations of flange: - Class 150; - Ciass300; - Class600; - Class 90
29、0; - Class 1500; - Class2500. 4.2 Range of gasket sues Gasket nominal sizes shall be designated in accordance with Table I. 4.3 Gasket types Gasket types, as defined in clause 5 and illustrated in Figure 2, shall be designated as either “oval” or “octagonal”. 4.4 Identification number Each metallic
30、ring-joint gasket is assigned an identification number, prefixed by “R, as shown in Table 1. NOTE The nominal size(s) and Class designation) to which each identification number is relevant is given in Table 1. 4.5 Information to be supplied by the purchaser The following information shall be supplie
31、d by the purchaser when ordering gaskets: a) the number and Part of this European Standard, i.e. EN 12560-5; b) whether a particular cross-sectional shape i.e. oval or octagonal, is required (see clause 5); c) the identification ring number (see 4.4 and Table 1); d) the material (see annex A); Addit
32、ional information that should be supplied by the purchaser : e) the expected operating conditions for which the gasket will be used. NOTE Before ordering a gasket it is recommended that the selection of the gasket type shall be made in consultation with the gasket supplier. The selection of gasket t
33、ype should take account of the fluid, the operating conditions, the properties of the gasket materials, the type and surface finish of the flange facing and the flange bolt loading. EXAMPLE A gasket according to EN 12560-5, oval type, with ring number R.36 in type X12Crl3 (Identification symbol S 41
34、0) shall be designated as follows : Gasket EN 12560-5 - oval - R.36 - S 41 O. O BSI 03-2001 STDmBSI BS EN L25bO-5-ENGL 2001 Lb24bb7 0903903 TL7 Page 7 EN 12560-5:2001 5 Gaskettypes Metallic ring-joint gaskets for use with ring-joint (type J) flange facings complying with prEN 1759-1:2000 shall have
35、a cross-sectional shape that is either oval or octagonal. NOTE 1 NOTE 2 NOTE 3 NOTE 4 NOTE 5 Figure 1 a) shows a flange joint with an oval type gasket and Figure 1 b) with an octagonal type gasket. Figure 2 shows the design of oval type and octagonal type gaskets. Ring-joint gaskets of individual id
36、entification numbers are applicable to certain nominal size(s) and Class designation(s), as given in Table 1. If the purchaser requires a ring-joint gasket with a particular cross-sectional shape, i.e. either oval or octagonal, then this requirement should be stated in the enquiry andlor order (see
37、4.5). In the absence of this requirement being stated, the type will be at the discretion of the manufacturer. 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 fl
38、ange bolt loading. It is recommended that selection of gaskets for any particular application is made in consultation with the aasket sumlier (see 4.5). O BSI 03-2001 Page 8 EN 12560-512001 a) oval type b) octagonal type Figure 1 - Details of metallic ring-joint gaskets as housed I P YX X Key A Widt
39、h of ring B Oval C Width on flat of octagonal ring P Average pitch diameter of ring H Octagonal Ri = 1,6 mm for A I 22,3 mm Ri = 2,4 mm for A 22,3 mm Figure 2 - Gasket dimensions O BSI 03-2001 Page 9 EN 12560-5:2001 6 Dimensions and tolerances 6.1 Dimensions The dimensions of metallic ring-joint gas
40、kets shall be as given in Table 1 and Figure 2. NOTE Dimensions of grooves and gaskets are such that, when joints are assembled, the flanges are apart and the approximate distances which the flanges are apart for each Class designation are given in the appropriate table of prEN 1759-1 :2000. 6.2 Tol
41、erances The tolerances given in Table 2 shall apply for the dimensions as shown in Figure 2. NOTE The presence of a small forging fin, located so that it does not prevent the ring from seating properly in the groove, is acceptable. O BSI 03-2001 Dn 2 500 15 20 25 32 Ring Average diameter of ring, P
42、number, r pitch rnm R.ll 34,13 R.12 39,69 R.13 42,86 R.14 44,45 R.15 47,63 R.16 50,80 R.17 57,15 R.18 60,33 R.19 65,09 R.20 68,26 R.21 72,23 Width of ring, A Height of ring mrn 6,35 mm mm 11,ll 9,53 7,94 14,29 7,94 14,29 7,94 14,29 7,94 14,29 7,94 14,29 7,94 14,29 11,ll 17,46 7,94 14,29 11,ll 17,46
43、11,ll 17,46 7.94 14.29 12,70 12,70 12,70 12,70 12,70 12,70 15,88 12,70 15,88 15,88 12,70 Page 10 EN 12560-5:2001 Table I - Ring numbers and dimensions of metallic ring-joint gaskets Rat,”) I lange Class designat octagonal ring, C Nominal I ze, DN 7,94 I 14,29 I 12,70 15 7,94p I 14,29 I 12,70 5,231 -
44、14,29 I 12,70 20 - I- I- 25 -I - I- I- 32 I 32 I 32 5,23 5,23 7,75 5,23 7,75 7,75 5,23 7,75 7,75 8,66 5,23 7,75 7,75 8,66 40 I40 I 40 - I R.22 I 82,55 50 1- 1- 40 I R.23 I 82,55 T I 50 I 50 - I R.24 I 95,25 - I R.25 I 101,60 50 I R.26 I 101,60 11,ll 17,46 15,88 11,ll 17,46 15,88 + 12.70 19.05 17.46
45、- I R.27 I 107,95 65 I R.28 I 111,13 - I R.29 I 114,30 7.94 I 14.29 I 12.70 - I R.30 I 117,48 11.11 I 17.46 I 15.88 - I R.31 I 123,83 11,ll I 17,46 I 15,88 80 I R.32 I 127,OO 12,70 I 19,05 I 17,46 I a For ring joints with loose hubbed flanges for lapped pipe ends (type 15 flanges) only. I For flange
46、s other than loose hubbed flanges for lapped pipe ends. I (Continued O BSI 03-2001 - - - STD.BSI BS EN L25b0-5-ENGL 2001 lb29bb9 0903907 bb2 Width of ring, A Height of ring Oval, B Octagonal, H mm 11,ll mm mm 17,46 15,88 I- l O0 R.41 R.42 R.43 R.44 R.45 R.46 R.47 R.48 R.49 R.50 R.51 R.52 R.53 180,98
47、 190,50 193,68 193,68 21 1 ,I4 21 1 ,I4 228,60 247,65 269,88 269,88 279,40 304,80 323.85 11,ll 19,05 7,94 11,ll 11,ll 12,70 19,05 7,94 11,ll 15,88 22.23 17,46 15,88 25,40 23,81 14,29 12,70 17,46 15,88 17,46 15,88 19,05 17,46 25,40 23,81 14,29 12,70 17,46 15,88 22,23 20,64 28.58 26.99 7,94 11.11 14,2
48、9 12,70 17.46 15.88 Page 11 EN 12560-52001 Table 1 (continued) Flange Class designation Ring number, r Average pitch diameter of ring, P Width on flat of octagonal ring, C 150 1 30: 1 900 1 i 500 1 2 500 Nominal size, DN I- l- I 80 mm 136,53 rnm 7,75 R.35 100 I- I- I- I- R.36 I 149,23 7,94 I 14,29 I
49、 12,70 5,23 - I 100 I 100 I - I - R.37 I 149,23 11,ll I 17,46 I 15,88 7,75 R.38 I 157,16 15,88 I 22,23 I 20,64 10,49 - I- I- 1100 I- L 125 125 125 R.39 I 161,93 11,ll I 17,46 I 15,88 7,75 1 R.40- I 171,45 7:94 I 14,29 I 12,70 5,23 7,75 12,32 I I I I 5,23 7,75 7,75 8,66 12,32 523 7,75 10,49 14,81 5,23 7,75 10,49 19,81 5,23 7,75 (Continued) R.54 I 323,85 15,88 I 22,23 I 20,64 R.55 I 342,90 28,58 I 36,51 I 34,93 R.56 I 381,OO 7,94 I 14,29 I 12,70 R.57 I 381,OO 11,ll I 17,46 I 15,88 O BSI 03-2001 Page 12 EN 12560-52001 Table 1 (conclud
