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    BS EN 12560-5-2001 Flanges and their joints - Gaskets for Class-designated flanges - Metallic ring joint gaskets for use with steel flanges《法兰及其接头 标示等级的法兰的衬垫 钢法兰用金属环接头衬垫》.pdf

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    BS EN 12560-5-2001 Flanges and their joints - Gaskets for Class-designated flanges - Metallic ring joint gaskets for use with steel flanges《法兰及其接头 标示等级的法兰的衬垫 钢法兰用金属环接头衬垫》.pdf

    1、BRITISH STANDARD BS EN 12560-5:2001 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 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMIT

    2、TED BY COPYRIGHT LAWBS EN 12560-5:2001 This British Standard, having 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 BSI 03-2001 ISBN 0 580 37047 X National foreword This Britis

    3、h Standard is the official English language version of EN 12560-5:2001. It supersedes BS 7076-2:1989 which is withdrawn.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: A list of organizations repre

    4、sented on this committee can be obtained on request to its secretary. Cross-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 Corresponde

    5、nce Index”, or by using the “Find” facility of the BSI Standards Electronic 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 i

    6、tself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate t

    7、hem in the UK. 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 document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEU

    8、ROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12560-5 January 2001 ICS 23.040.80 English version Flanges and their 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 dsignes Class Partie 5

    9、: Joints annulaires mtalliques pour utilisation avec des brides en acier Flansche und ihre Verbindungen Dichtungen 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

    10、 the CEN/CENELEC 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

    11、or to any 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 versi

    12、ons. CEN 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 COMMITTEE FOR STANDARDIZATION COMIT EUROPEN D

    13、E NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12560-5:2001 EPage 2 EN 12560-5:2001 BSI 03-2001 Contents Page Foreword. 3 I

    14、ntroduction 4 1 Scope. 5 2 Normative references 5 3 Terms and definitions. 5 3.1 NPS 5 3.2 Class 5 4 Designations . 6 4.1 Range of Class designations 6 4.2 Range of gasket sizes. 6 4.3 Gasket types6 4.4 Identification number 6 4.5 Information to be supplied by the purchaser 6 5 Gasket types7 6 Dimen

    15、sions and tolerances 9 6.1 Dimensions 9 6.2 Tolerances. 9 7 Surface finish 13 8 Marking 14 Annex A (informative) Gasket materials. 15Page 3 EN 12560-5:2001 BSI 03-2001 Foreword This European Standard has been prepared by Technical Committee CEN/TC 74, Flanges and their joints, the Secretariat of whi

    16、ch 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/CENELEC Interna

    17、l 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, Switzerland an

    18、d the United Kingdom. The annex A is informative.Page 4 EN 12560-5:2001 BSI 03-2001 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: Non-metallic PTFE envelope gaskets Part 4: Corr

    19、ugated, 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 with steel flanges The terminology and definiti

    20、ons in this standard are in accordance with those given in ISO Standards.Page 5 EN 12560-5:2001 BSI 03-2001 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 1

    21、759-1:2000 for Class 150, Class 300, Class 600, Class 900 and 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 1759-4:

    22、1997 are given in prEN 12560-1:2000, prEN 12560-2:2000, prEN 12560-3:2000, 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

    23、 A. 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 listed hereafter. For dated references, subsequent amendments to or re

    24、visions 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 (including amendments). prEN 1759-1:2000 Flanges and their joints Circular flanges for pipes, v

    25、alves, fittings and accessories, Class designated Part 1: Steel flanges, NPS 2 to NPS 24 EN ISO 4287 Geometrical product specification (GPS) Surface texture : Profile method Terms, definitions and surface texture parameters (ISO 4287:1997) prEN 1759-3:1994 Flanges and their joints Circular flanges f

    26、or pipes, valves, fittings and accessories, Class designated Part 3 : Copper alloy flanges prEN 1759-4:1997 Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, Class designated Part 4: Aluminium alloy 3 Terms and definitions For the purposes of this European Standa

    27、rd, the following terms and definitions apply: 3.1 NPS see prEN 1759-3:1994 3.2 Class see prEN 1759-3:1994Page 6 EN 12560-5:2001 BSI 03-2001 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:

    28、Class 150; Class 300; Class 600; Class 900; Class 1 500; Class 2 500. 4.2 Range of gasket sizes Gasket nominal sizes shall be designated in accordance with Table 1. 4.3 Gasket types Gasket types, as defined in clause 5 and illustrated in Figure 2, shall be designated as either “oval” or “octagonal”.

    29、 4.4 Identification number Each metallic ring-joint gasket is assigned an identification number, prefixed by “R”, as shown in Table 1. NOTE The nominal size(s) and Class designation(s) to which each identification number is relevant is given in Table 1. 4.5 Information to be supplied by the purchase

    30、r The following information shall be supplied 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 Ta

    31、ble 1); d) the material (see annex A);Additional 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

    32、 gasket supplier. The selection of gasket type 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

    33、in type X12Cr13 (Identification symbol S 410) shall be designated as follows : Gasket EN 12560-5 oval R.36 S 410.Page 7 EN 12560-5:2001 BSI 03-2001 5 Gasket types Metallic ring-joint gaskets for use with ring-joint (type J) flange facings complying with prEN 1759-1:2000 shall have a cross-sectional

    34、shape that is either oval or octagonal. NOTE 1 Figure 1 a) shows a flange joint with an oval type gasket and Figure 1 b) with an octagonal type gasket. NOTE 2 Figure 2 shows the design of oval type and octagonal type gaskets. NOTE 3 Ring-joint gaskets of individual identification numbers are applica

    35、ble to certain nominal size(s) and Class designation(s), as given in Table 1. NOTE 4 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 and/or order (see 4.5). In the absence of t

    36、his requirement being stated, the type will be at the discretion of the manufacturer. NOTE 5 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 bolt loading.

    37、 It is recommended that selection of gaskets for any particular application is made in consultation with the gasket supplier (see 4.5).Page 8 EN 12560-5:2001 BSI 03-2001 a) oval type b) octagonal type Figure 1 Details of metallic ring-joint gaskets as housed Key A Width of ring B Oval C Width on fla

    38、t of octagonal ring P Average pitch diameter of ring H Octagonal R 1= 1,6 mm for A 22,3 mm R 1= 2,4 mm for A 22,3 mm Figure 2 Gasket dimensionsPage 9 EN 12560-5:2001 BSI 03-2001 6 Dimensions and tolerances 6.1 Dimensions The dimensions of metallic ring-joint gaskets shall be as given in Table 1 and

    39、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 Tolerances The tolerances given in Table 2

    40、 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.Page 10 EN 12560-5:2001 BSI 03-2001 Table 1 Ring numbers and dimensions of metallic ring-joint gaskets Flang

    41、e Class designation Ring number, r Average pitch diameter of ring, P Width of ring, A Height of ring Width on flat of octagonal ring, C 150 300 and 600 900 1 500 2 500 Oval, B Octagonal, H Nominal size, DN mm mm mm mm mm - 15 - - - R.11 34,13 6,35 11,11 9,53 4,32 - - 15 15 - R.12 39,69 7,94 14,29 12

    42、,70 5,23 - 20 - - 15 R.13 42,86 7,94 14,29 12,70 5,23 - - 20 20 - R.14 44,45 7,94 14,29 12,70 5,23 25 - - - - R.15 47,63 7,94 14,29 12,70 5,23 - 25 25 25 20 R.16 50,80 7,94 14,29 12,70 5,23 32 - - - - R.17 57,15 7,94 14,29 12,70 5,23 - 32 32 32 25 R.18 60,33 7,94 14,29 12,70 5,23 40 - - - - R.19 65,

    43、09 7,94 14,29 12,70 5,23 - 40 40 40 - R.20 68,26 7,94 14,29 12,70 5,23 - - - - 32 R.21 72,23 11,11 17,46 15,88 7,75 50 - - - - R.22 82,55 7,94 14,29 12,70 5,23 - 50 - - 40 R.23 82,55 11,11 17,46 15,88 7,75 - - 50 50 - R.24 95,25 11,11 17,46 15,88 7,75 65 - - - - R.25 101,60 7,94 14,29 12,70 5,23 - 6

    44、5 - - 50 R.26 101,60 11,11 17,46 15,88 7,75 - - 65 65 - R.27 107,95 11,11 17,46 15,88 7,75 - - - - 65 R.28 111,13 12,70 19,05 17,46 8,66 80 - - - - R.29 114,30 7,94 14,29 12,70 5,23 -8 0 a - - - R.30 117,48 11,11 17,46 15,88 7,75 -8 0 b 80 - - R.31 123,83 11,11 17,46 15,88 7,75 - - - - 80 R.32 127,0

    45、0 12,70 19,05 17,46 8,66 aFor ring joints with loose hubbed flanges for lapped pipe ends (type 15 flanges) only. bFor flanges other than loose hubbed flanges for lapped pipe ends. (Continued)Page 11 EN 12560-5:2001 BSI 03-2001 Table 1 (continued) Flange Class designation Ring number, r Average pitch

    46、 diameter of ring, P Width of ring, A Height of ring Width on flat of octagonal ring, C 150 300 and 600 900 1 500 2 500 Oval, B Octagonal, H Nominal size, DN mm mm mm mm mm - - - 80 - R.35 136,53 11,11 17,46 15,88 7,75 100 - - - - R.36 149,23 7,94 14,29 12,70 5,23 - 100 100 - - R.37 149,23 11,11 17,

    47、46 15,88 7,75 - - - - 100 R.38 157,16 15,88 22,23 20,64 10,49 - - - 100 - R.39 161,93 11,11 17,46 15,88 7,75 125 - - - - R.40 171,45 7,94 14,29 12,70 5,23 - 125 125 - - R.41 180,98 11,11 17,46 15,88 7,75 - - - - 125 R.42 190,50 19,05 25,40 23,81 12,32 150 - - - - R.43 193,68 7,94 14,29 12,70 5,23 -

    48、- - 125 - R.44 193,68 11,11 17,46 15,88 7,75 - 150 150 - - R.45 211,14 11,11 17,46 15,88 7,75 - - - 150 - R.46 211,14 12,70 19,05 17,46 8,66 - - - - 150 R.47 228,60 19,05 25,40 23,81 12,32 200 - - - - R.48 247,65 7,94 14,29 12,70 5,23 - 200 200 - - R.49 269,88 11,11 17,46 15,88 7,75 - - - 200 - R.50

    49、 269,88 15,88 22,23 20,64 10,49 - - - - 200 R.51 279,40 22,23 28,58 26,99 14,81 250 - - - - R.52 304,80 7,94 14,29 12,70 5,23 - 250 250 - - R.53 323,85 11,11 17,46 15,88 7,75 - - - 250 - R.54 323,85 15,88 22,23 20,64 10,49 - - - - 250 R.55 342,90 28,58 36,51 34,93 19,81 300 - - - - R.56 381,00 7,94 14,29 12,70 5,23 - 300 300 - - R.57 381,00 11,11 17,46 15,88 7,75 (Continued)Page 12 EN 12560-5:2001 BSI 03-2001 Table 1 (concluded) Flange Class designation Ring number, r Average pitch diameter of


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