BS EN 1591-1-2001(A1-2009)法兰和接头.衬垫环形法兰连接的设计规则.计算方法.pdf
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1、BRITISH STANDARD Flanges and their joints Design rules for gasketed circular flange connections Part 1: Calculation method ICS 23.040.60 BS EN 1591-1:2001 +A1:2009 BS EN 1591-1:2001 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published und
2、er the authority of the Standards Committee and comes into effect on 15 September 2001 BSI 2009 National foreword Amendments corrigenda issued since publication This British Standard is the UK implementation of EN 1591-1:2001+A1:2009. It supersedes BS EN 1591-1:2001 which is withdrawn. The start and
3、 finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is in- dicated by . The UK participation in its preparation was entrusted to Technical Committ
4、ee PSE/2, Jointing materials and their compounds. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance
5、with a British Standard cannot confer immunity from legal obligations. Date Comments 3 Implementation of CEN amendment A1:2009 ISBN 978 0 580 66669 8 +A1:2009 June 20090 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1591-1:2001+A1 March 2009 ICS 23.040.60 Supersedes EN 1591-1:2001 English Ver
6、sion Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation method Brides et leurs assemblages - Rgles de calcul des assemblages brides circulaires avec joint - Partie 1: Mthode de calcul Flansche und ihre Verbindungen - Regeln fr die Auslegung von Fla
7、nschverbindungen mit runden Flanschen und Dichtung - Teil 1: Berechnungsmethode This European Standard was approved by CEN on 8 March 2001 and includes Amendment 1 approved by CEN on 7 February 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condit
8、ions 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 CEN Management Centre or to any CEN member. This European Standard exists in three
9、 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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Au
10、stria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN CO
11、MMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1591-1:2001+A1:2009: E EN 1591-1:20
12、01+A1:2009 (E) 2 Contents Page Foreword 3 1Scope 6 1.1General 6 1.2Requirement for use of the Calculation method 6 1.3Validity 6 2Normative references 8 3Notation 9 3.1Use of figures .9 3.2Subscripts and special marks 9 3.3Symbols . 10 3.4Terminology 14 4Calculation parameters 24 4.1Flange parameter
13、s 25 4.2Bolt parameters . 29 4.3Gasket parameters 29 5Internal forces (in the joint) . 32 5.1Applied loads 32 5.2Compliance of the joint 33 5.3Minimum forces necessary for the gasket . 33 5.4Internal forces in assembly condition (I = 0) 34 5.5Internal forces in subsequent conditions (I = 1, 2, ) 36
14、6Checking of the admissibility of the load ratio 36 6.1General . 36 6.2Bolts . 37 6.3Gasket 38 6.4Integral flange and collar . 38 6.5Blank flange . 39 6.6Loose flange with collar . 40 Annex A (informative) Requirement for limitation of non-uniformity of gasket stress . 41 Annex B (informative) Dimen
15、sions of standard metric bolts 42 Annex C (informative) Scatter of bolting-up methods 43 Annex D (informative) Assembly using torque wrench 44 Annex E (informative) Flange rotations . 46 E.1General . 46 E.2Use of flange rotation . 46 E.3Calculation of flange rotations 46 Annex F (informative) Diagra
16、m of calculation sequence . 48 Annex G (informative) Joints with spacer-seated flanges . 50 G.1Introduction . 50 G.2Behaviour of spacer-seated gaskets 50 G.3Simplified treatment . 50 Annex H (normative) !Use of the former creep factor gC“ 55 Annex ZA (informative) !Relationship between this European
17、 Standard and the Essential Requirements of EU Directive 97/23/EC“ 56 Bibliography . 57 BS EN 1591-1:2001+A1:2009 EN 1591-1:2001+A1:2009 (E) 3 Foreword This document (EN 1591-1:2001+A1:2009) has been prepared by Technical Committee CEN/TC 74 “Flanges and their joints“, the secretariat of which is he
18、ld 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 September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. This document includes Amendment 1
19、, approved by CEN on 2009-02-07. This document supersedes EN 1591-1:2001. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade
20、 Association. This European Standard is considered as a supporting standard to other application and product standards which in themselves support an essential safety requirement of a New Approach Directive and will appear as a normative reference in them. For relationship with EU Directive(s), see
21、informative Annex ZA, which is an integral part of this standard. EN 1591 consists of two parts: EN 1591-1 Flanges and their joints Design rules for gasketed circular flange connections Part 1: Calculation method !EN 1591-2“ Flanges and their joints Design rules for gasketed circular flange connecti
22、ons Part 2: Gasket parameters The Calculation method satisfies both leaktightness and strength criteria. The behaviour of the complete flanges-bolts-gasket system is considered. Parameters taken into account include not only basic ones such as: fluid pressure; material strength values of flanges, bo
23、lts and gaskets; gasket compression factors; nominal bolt load; but also: possible scatter due to bolting up procedure; changes in gasket force due to deformation of all components of the joint; influence of connected shell or pipe; effect of external axial forces and bending moments; BS EN 1591-1:2
24、001+A1:2009 EN 1591-1:2001+A1:2009 (E) 4 effect of temperature difference between bolts and flange ring Calculation for sealing performance is based on elastic analysis of the load/deformation relations between all parts of the flange connection, corrected by a possible plastic behaviour of the gask
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- BS EN 1591-1-2001A1-2009法兰和接头.衬垫环形法兰连接的设计规则.计算方法 1591 2001 A1 2009 法兰 接头 衬垫 环形 连接 设计 规则 计算方法
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