BS EN 1514-1-1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Non-metallic flat gaskets with or without inserts《法兰及其连接件 PN-标示的法兰用衬垫的尺寸 带或不带型芯的非金属平衬.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1514-1 : 1997 The E

2、uropean Standard EN 1514-1 : 1997 has the status of a British Standard ICS 23.040.80 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Flanges and their joints Dimensions of gaskets for PN-designated flanges Part 1. Non-metallic flat gaskets with or without insertsBS EN 1514-1 :

3、 1997 This British Standard, having been prepared under the direction of the Sector Board for Engineering, was published under the authority of the Standards Board and comes into effect on 15 August 1997 BSI 1997 The following BSI references relate to the work on this standard: Committee reference P

4、SE/2 Draft for comment 94/709819 DC ISBN 0 580 27681 3 Amendments issued since publication Amd. No. Date Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PSE/2, Jointing materials and compounds, upon which th

5、e following bodies were represented: Asbestos Information Centre Ltd. British Adhesives and Sealants Association British Compressed Gases Association British Hydromechanics Research Group Chartered Institution of Water and Environmental Management Energy Industries Council Industrial Water Society L

6、 P Gas Association Water Services Association of England and WalesBS EN 1514-1 : 1997 BSI 1997 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 1514-1 3ii BSI 1997 BS EN 1514-1 : 1997 National foreword This Part of BS EN 1514 has been prepared by T

7、echnical Committee PSE/2, and is the English language version of EN 1514-1 : 1997 Flanges and their joints Dimensions of gaskets for PN-designated flanges Part 1: Non-metallic flat gaskets with or without inserts, published by the European Committee for Standardization (CEN). This Part of BS EN 1514

8、 supersedes BS 4865 : Part 1 : 1989, which is withdrawn. Cross-references Publication referred to Corresponding British Standard EN 545 : 1994 BS EN 545 : 1995 Ductile iron pipes, fittings, accessories and their joints for water pipelines Requirements and test methods EN 598 : 1994 BS EN 598 : 1995

9、Ductile iron pipes, fittings, accessories and their joints for sewage applications Requirements and test methods EN 969 : 1995 BS EN 969 : 1996 Specfication for ductile iron pipes, fittings, accessories and their joints for gas pipelines Requirements and test methods EN ISO 6708 : 1995 BS EN ISO 670

10、8 : 1996 Pipework components Definition and selection of DN (nominal size) Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 16, an

11、 inside back cover and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nat

12、ional Members. Ref. No. EN 1514-1 : 1997 E EUROPEAN STANDARD EN 1514-1 NORME EUROPE ENNE EUROPA ISCHE NORM April 1997 ICS 23.040.80 Descriptors: Industrial piping, flange connections, pipe joints, pipe flanges, dimensions, marking English version Flanges and their joints Dimensions of gaskets for PN

13、-designated flanges Part 1: Non-metallic flat gaskets with or without inserts Brides et leurs assemblages Dimensions des joints pour les brides de signe es PN Partie 1: Joints plats non-me talliques avec ou sans insert Flansche und ihre Verbindungen Mae fu r Dichtungen fu r Flansche mit PN-Bezeichnu

14、ng Teil 1: Flachdichtungen aus nichtmetallischem Werkstoff mit oder ohne Einlagen This European Standard was approved by CEN on 1997-01-09. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a natio

15、nal standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any

16、 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 Austria, Belgium, Denmark, Finland, France, Germany, Greece, Icela

17、nd, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 1514-1 : 1997 BSI 1997 Foreword This European Standard has been prepared by Technical Committee CEN/TC 74, Flanges and their joints, of which the Secretariat is held by DIN. This Eu

18、ropean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by October 1997, and conflicting national standards shall be withdrawn at the latest by October 1997. The Annex A is informative and contains information to b

19、e supplied by the purchaser. Annex B is informative and contains A-deviations. Annex C is informative and contains gasket materials. EN 1514 consists of four Parts: Part 1: Specification for non-metallic flat gaskets with or without inserts Part 2: Specification for spiral wound gaskets for use with

20、 steel flanges Part 3: Specification for non-metallic PTFE envelope gaskets Part 4: Specification for corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following c

21、ountries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 Introduction 3 1 Scope 3 2 Normative re

22、ferences 3 3 Definitions 3 3.1 DN 3 3.2 PN 3 4 Designations 3 4.1 Range of PN designations 3 4.2 Range of DN (nominal sizes) 3 4.3 Gasket types 3 4.4 Information to be supplied by the purchaser 3 5 Gasket designs and materials 4 6 Gasket types 4 7 Range of gasket sizes 6 8 Dimensions 7 8.1 Thickness

23、 7 8.2 Diameters 7 9 Inside diameters of gaskets for use with pipes and fittings complying with EN 545, EN 598 and EN 969 14 10 Marking 14 Annexes A (informative) Information to be supplied by the purchaser 15 B (informative) A-deviation 15 C (informative) Gasket materials 16Page 3 EN 1514-1 : 1997

24、BSI 1997 Introduction Dimensions for the internal diameter of gaskets are a compromise between all requirements of prEN 1092-1, prEN 1092-2, prEN 1092-3 and prEN 1092-4 so that a single value is given for each gasket size. WARNING. Gaskets made to this standard may contain asbestos. Materials contai

25、ning asbestos may be subject to legislation that requires precautions to be taken when handling them to ensure that they do not constitute a hazard to health (see annex B). Attention is drawn to the relevant EEC directives. 1 Scope This European Standard specifies the dimensions and marking of non-m

26、etallic flat gaskets, with or without inserts, for use with flanges complying with prEN 1092-1, prEN 1092-2, prEN 1092-3 and prEN 1092-4, and pipes and fittings complying with EN 545, EN 598 and EN 969 up to and including PN 63 and up to and including DN 4000. NOTE 1. Dimensions of other types of ga

27、skets for use with flanges complying with prEN 1092-1, prEN 1092-2, prEN 1092-3 and prEN 1092-4 are given in EN 1514-2, EN 1514-3 and EN 1514-4. NOTE 2. Annex A lists information that should be supplied by the purchaser when ordering gaskets and annex C lists typical materials for the manufacture of

28、 non-metallic flat gaskets. NOTE 3. Clause 9 gives inside diameters of gaskets specifically for use with flanges complying with EN 545, EN 598 and EN 969, and also with ISO 2531. NOTE 4. This standard does not provide dimensions to suit PN 100 flanges, as gaskets covered by this standard are not nec

29、essarily intended for such applications. 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 refer

30、ences, 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 545 Ductile iron pipes, fittings, accessories and thei

31、r joints for water pipelines Requirements and test methods EN 598 Ductile iron pipes, fittings, accessories and their joints for sewerage application Requirements and test methods EN 969 Ductile iron pipes, fittings, accessories and their joints for gas pipelines Requirements and test methods prEN 1

32、092-1 Flanges and their joints Circular flanges for pipes, valves and fittings Part 1: Steel flanges PN designated prEN 1092-2 Flanges and their joints Part 2: Cast iron flanges prEN 1092-3 Flanges and their joints Circular flanges for pipes, valves, fittings and accessories Part 3: Copper alloy and

33、 composite flanges PN designated prEN 1092-4 Flanges and their joints Circular flanges for pipes, valves, fittings and accessories PN designated Part 4: Aluminium alloy flanges EN 1333 Pipework components Definition and selection of PN EN ISO 6708 Pipework components Definition and selection of DN (

34、nominal size) (ISO 6708 : 1995) ISO 2531 Ductile iron pipes, fittings and accessories for pressure pipelines 3 Definitions For the purposes of this standard, the following definitions apply. 3.1 DN See EN ISO 6708. 3.2 PN See EN 1333. 4 Designations 4.1 Range of PN designations Gaskets shall be desi

35、gnated as suitable for use with one or more of the following PN designations of flange: PN 2,5 PN 25 PN 6 PN 40 PN 10 PN 63 PN 16 4.2 Range of DN (nominal sizes) Gasket nominal sizes shall be designated in accordance with the ranges specified in table 1. 4.3 Gasket types Gasket types, as defined in

36、clause 6 and as illustrated in figure 2, shall be designated as: type FF: full face; type IBC: inside bolt circle; type TG: tongue and groove; type SR: spigot and recess. 4.4 Information to be supplied by the purchaser NOTE. For information to be supplied by the purchaser see annex A.Page 4 EN 1514-

37、1 : 1997 BSI 1997 a) Type A flange facings with type FF gasket b) Type B flange facings with type IBC gasket c) Type C/D flange facings with type TG gasket d) Type E/F flange facings with type SR gasket Figure 1. Types of flange facings with gaskets 5 Gasket designs and materials Gaskets shall be ma

38、nufactured in a single material or combination of materials and shall be: a) single flat sheet; or b) laminated ply; or c) moulded. NOTE 1. Examples of typical materials are given in annex C. NOTE 2. The selection of the gasket material should take into account the fluid, the operating conditions, t

39、he properties of the gasket material, the type and surface finish of the flange facing and the flange bolt loading. It is recommended that selection of gaskets for any particular application is made in consultation with the gasket supplier (see annex A). NOTE 3. The purchaser should indicate on his

40、enquiry and/or order if gaskets are to be used with water intended for human consumption (see annex A). It shall be noted that the national regulations of both the country of origin and the country of use may be considered relevant. 6 Gasket types Gaskets shall be one of the following types: a) type

41、 FF gasket, for use with type A (flat face) or type B (raised face) flange facings (see figures 1a and 2a); b) type IBC gasket, for use with type A (flat face) or type B (raised face) flange facings (see figures 1b and 2b); c) type TG gasket, for use with type C/D (tongue/groove) flange facings (see

42、 figures 1c and 2b); d) type SR gasket, for use with type E/F (spigot/recess) flange facings (see figures 1d and 2b). NOTE 1. The types of flange facings are specified in prEN 1092-1, prEN 1092-2, prEN 1092-3 and prEN 1092-4, and, for information, the facings are shown in figure 3. NOTE 2. The selec

43、tion of gasket type 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. It is recommended that selection of gasket type for any particular application is made in consultati

44、on with the gasket supplier (see annex A). NOTE 3. Only type FF and type IBC gaskets are suitable for use with flanges on pipes and fittings complying with EN 545, EN 598 and EN 969. NOTE 4. Gaskets of types described in 6a, b, c and d and having an outside diameter greater than 1500 mm may be avail

45、able only in segmental form. The purchaser should consult the gasket manufacturer or supplier as to the forms available for the larger sizes of gaskets (see annex A).Page 5 EN 1514-1 : 1997 BSI 1997 b) Type IBC gasket (for type A and type B flange facings). Type TG gasket (for type C/D flange facing

46、s). Type SR gasket (for type E/F flange facings). c) Typical rubber gasket with metallic insertion. This figure illustrates the arrangement but not necessarily the correct number of bolt holes. Refer to the relevant table for the actual number of bolt holes. a) Type FF gaskets (for types A and B fla

47、nge facings). d) Typical rubber gasket with metallic insert. Figure 2. Gasket dimensionsPage 6 EN 1514-1 : 1997 BSI 1997 Type A: flat face Type D: groove Type B: raised face Type E: spigot Type C: tongue Type F: recess Figure 3. Flange facing types 7 Range of gasket sizes The ranges of sizes of gask

48、ets for the various DN and PN designations shall be as given in table 1 for the different gasket types. Table 1. Range of gasket sizes PN For dimensions refer to table number Gasket type 1) Type FF Type IBC Type TG Type SR DN range 2,5 3 10 to 600 10 to 4000 6 4 10 to 600 10 to 3600 10 5 10 to 2000

49、10 to 3000 10 to 1000 10 to 1000 16 6 10 to 2000 10 to 2000 10 to 1000 10 to 1000 25 7 10 to 2000 10 to 2000 10 to 1000 10 to 1000 40 8 10 to 600 10 to 600 10 to 600 10 to 600 63 9 10 to 400 1) For gasket type designations see clause 4.Page 7 EN 1514-1 : 1997 BSI 1997 8 Dimensions 8.1 Thickness Gasket thicknesses for those materials listed in annex C shall be selected from table 2. NOTE 1. The selection of gasket thickness should take into account the fluid, the operat

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