DIN EN 1591-1-2014 en 2755 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1 Calculation German version EN 1591-1 2013《法兰及其连接 带垫圈圆形法兰连接的设计规则.pdf
《DIN EN 1591-1-2014 en 2755 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1 Calculation German version EN 1591-1 2013《法兰及其连接 带垫圈圆形法兰连接的设计规则.pdf》由会员分享,可在线阅读,更多相关《DIN EN 1591-1-2014 en 2755 Flanges and their joints - Design rules for gasketed circular flange connections - Part 1 Calculation German version EN 1591-1 2013《法兰及其连接 带垫圈圆形法兰连接的设计规则.pdf(78页珍藏版)》请在麦多课文档分享上搜索。
1、April 2014 Translation by DIN-Sprachendienst.English price group 26No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、23.040.60!%-A“2105730www.din.deDDIN EN 1591-1Flanges and their joints Design rules for gasketed circular flange connections Part 1: Calculation;English version EN 1591-1:2013,English translation of DIN EN 1591-1:2014-04Flansche und ihre Verbindungen Regeln fr die Auslegung von Flanschverbindungen mi
3、t runden Flanschen und Dichtung Teil 1: Berechnung;Englische Fassung EN 1591-1:2013,Englische bersetzung von DIN EN 1591-1:2014-04Brides et leurs assemblages Rgles de calcul des assemblages brides circulaires avec joint Partie 1: Mthode de calcul;Version anglaise EN 1591-1:2013,Traduction anglaise d
4、e DIN EN 1591-1:2014-04SupersedesDIN EN 1591-1:2011-08www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 78 pages03.14 DIN EN 1591-1:2014-04 2 A comma is used as the decimal marker. National foreword This document (EN 1591-1:2013) has been
5、 prepared by Technical Committee CEN/TC 74 “Flanges and their joints” (Secretariat: DIN, Germany). The responsible German body involved in its preparation was the Normenausschuss Rohrleitungen und Dampfkesselanlagen (Piping and Boiler Plant Standards Committee), Working Committee NA 082-00-16 AA Fla
6、nsche und ihre Verbindungen. Amendments This standard differs from DIN EN 1591-1:2011-08 as follows: a) the load ratio calculation for blind flanges has been corrected; b) spacers (washers) have been integrated; c) the calculation of the bolt load ratio has been modified; d) lateral forces and torsi
7、on moments applied on the bolted joint have been integrated; e) an alternative calculation method (more precise) for the determination of the gasket effective width (informative annex) has been integrated; f) the possibility to handle gasket creep/relaxation behaviour through additional deflection h
8、as been integrated; g) an informative annex concerning leakage rates conversions has been integrated; h) the possibility to check a bolted flange connection for a specified initial bolt load value has been inte-grated; i) the possibility to perform a calculation even when no tightness requirement is
9、 defined through basic gasket parameters (Annex G) has been integrated; j) the standard has been editorially revised. Previous editions DIN 2506: 1927-01 DIN 2507: 1927-07 DIN 2505: 1964-10 DIN V 2505: 1986-01 DIN EN 1591-1: 2001-10, 2009-10, 2011-08 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM
10、 EN 1591-1December 2013 ICS 23.040.60 Supersedes EN 1591-1:2001+A1:2009English Version Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation Brides et leurs assemblages - Rgles de calcul des assemblages brides circulaires avec joint - Partie 1: Mthode
11、 de calcul Flansche und ihre Verbindungen - Regeln fr die Auslegung von Flanschverbindungen mit runden Flanschen und Dichtung - Teil 1: BerechnungThis European Standard was approved by CEN on 12 October 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate t
12、he 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 CEN-CENELEC Management Centre or to any CEN member. This European Standar
13、d 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the nation
14、al standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slova
15、kia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means re
16、served worldwide for CEN national Members. Ref. No. EN 1591-1:2013 E2 Contents Page Foreword 5 1 Scope 7 2 Normative references 7 3 Notation 7 3.1 Use of figures .7 3.2 Subscripts and special marks 7 3.2.1 Subscripts 7 3.2.2 Special marks .9 3.3 Symbols 9 3.4 Terminology 14 3.4.1 Flanges 14 3.4.2 Lo
17、ading 14 3.4.3 Load conditions 14 3.4.4 Compliances 14 4 Requirements for use of the calculation method 22 4.1 General . 22 4.2 Geometry . 22 4.3 Material 23 4.4 Loads . 23 5 Checking the assembly for a specified initial tightening bolt force (or torque) 23 6 Calculation parameters 24 6.1 General .
18、24 6.2 Flange parameters 24 6.2.1 General . 24 6.2.2 Flange ring . 25 6.2.3 Connected shell 26 6.2.4 Flexibility-related flange parameters 27 6.3 Bolt and washer parameters 28 6.3.1 General . 28 6.3.2 Effective cross-section area of bolts 28 6.3.3 Flexibility modulus of bolts . 28 6.3.4 Geometric pa
19、rameters for washers and contact surfaces . 28 6.3.5 Flexibility modulus of washers . 29 6.4 Gasket parameters . 29 6.4.1 General . 29 6.4.2 Theoretical dimensions 29 6.4.3 Effective dimensions 29 6.4.4 Axial flexibility modulus of gasket 30 6.4.5 Lever arms . 32 7 Forces 33 7.1 General . 33 7.2 App
20、lied loads 33 7.2.1 Assembly condition (I = 0) . 33 7.2.2 Subsequent conditions (I = 1, 2 ) . 33 7.3 Compliance of the joint 34 7.4 Minimum forces necessary for the gasket . 35 7.4.1 Assembly condition (I = 0) . 35 7.4.2 Subsequent conditions (I = 1, 2, .) 35 7.5 Internal forces in assembly conditio
21、n (I = 0) 35 7.5.1 Required forces . 35 DIN EN 1591-1:2014-04EN 1591-1:2013 (E)3 7.5.2 Accounting for bolt-load scatter at assembly 36 7.6 Internal forces in subsequent conditions (I = 1, 2, ) 37 8 Load limits 38 8.1 General . 38 8.2 Bolts 38 8.3 Gasket . 39 8.4 Integral flange and collar 39 8.5 Bla
22、nk flange . 41 8.6 Loose flange with collar 42 Annex A (informative) Dimensions of standard metric bolts . 43 Annex B (informative) Tightening . 44 B.1 Scatter of initial bolt load of a single bolt Indicative values 1-and 1+for a single bolt . 44 B.2 Scatter for the global load of all the bolts. 44
23、B.3 Manual uncontrolled tightening . 45 B.4 Assembly using torque wrench . 45 B.5 Assembly using bolt tensioner 46 Annex C (informative) Flange rotations 48 C.1 General . 48 C.2 Use of flange rotation 48 C.3 Calculation of flange rotations . 48 Annex D (informative) Use of the calculation method . 5
24、0 D.1 Calculation method principle . 50 D.2 Mechanical model 51 D.3 Required checks 52 D.4 Calculation sequence 52 Annex E (informative) Gasket/flange face friction coefficients examples 54 Annex F (normative) Determination of eGc,Ibased on a given PQR. 55 F.1 Determination of the deflection occurri
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