1、December 2016 English price group 17No 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 01.040.23; 23.020.30!%W“2599152
2、www.din.deDIN EN 764-1Pressure equipment Part 1: Vocabulary;English version EN 7641:2015+A1:2016,English translation of DIN EN 764-1:2016-12Druckgerte Teil 1: Vokabular;Englische Fassung EN 7641:2015+A1:2016,Englische bersetzung von DIN EN 764-1:2016-12Equipement sous pression Partie 1: Vocabulaire;
3、Version anglaise EN 7641:2015+A1:2016,Traduction anglaise de DIN EN 764-1:2016-12SupersedesDIN EN 7641:201506www.beuth.deDocument comprises 38 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.12.16 DIN EN 764-1:2016-12 2 A comma
4、 is used as the decimal marker. National foreword This document (EN 764-1:2015+A1:2016) has been prepared by Technical Committee CEN/TC 54 “Unfired pressure vessels” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was DIN-Normenausschuss Chemischer Apparat
5、ebau (DIN Standards Committee Process Engineering), Working Committee NA 012-00-05 AA Unbefeuerte Druckbehlter. Amendments This standard differs from DIN EN 764-1:2015-06 as follows: a) the informative Annex B “Multilingual list of terms” has been newly added. Previous editions DIN 2401: 1926-04, 19
6、29-06, 1936-08 DIN 2401-1: 1966-01, 1977-05, 1991-09 DIN 3320: 1972-01 DIN 3320-1: 1984-09 DIN 28100: 1953-11, 1979-05 DIN EN 764: 1994-11 DIN EN 764-1: 2004-09, 2015-06 DIN EN 764-3: 2002-09 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 764-1:2015+A1 August 2016 ICS 01.040.23; 23.020.30 Supe
7、rsedes EN 764-1:2015English Version Pressure equipment - Part 1: Vocabulary Equipement sous pression - Partie 1: Vocabulaire Druckgerte - Teil 1: Vokabular This European Standard was approved by CEN on 14 February 2015 and includes Amendment 1 approved by CEN on 5 June 2016. CEN members are bound to
8、 comply with 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 CEN-CE
9、NELEC Management Centre 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 CEN-CENELEC Management Centre has t
10、he same status as the official versions. CEN members are the national 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, Luxem
11、bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussel
12、s 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 764-1:2015+A1:2016 EEN 764-1:2015+A1:2016 (E) 2 Contents Page European foreword 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions 4 3.1 General terms 4 3.2 Terms
13、 related to design . 5 3.3 Terms related to manufacturing . 20 3.4 Terms related to testing . 21 3.5 Terms related to interested parties . 23 Annex A (informative) Additional information on notions of maximum allowable pressure (PS) and maximum / minimum allowable temperatures (TSmax/ TSmin) . 25 An
14、nex B (informative) Multilingual list of terms 27 Bibliography 36 DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 3 European foreword This document (EN 764-1:2015+A1:2016) has been prepared by Technical Committee CEN/TC 54 “Unfired pressure vessels”, the secretariat of which is held by BSI. This Euro
15、pean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2017, and conflicting national standards shall be withdrawn at the latest by February 2017. Attention is drawn to the possibility that some of the e
16、lements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document includes Amendment 1 approved by CEN on 2016-06-05. This document supersedes !EN 764-1:2015“. The start and finish of text intro
17、duced or altered by amendment is indicated in the text by tags !“. !deleted text“ An informative annex on notions of allowable pressures and temperatures has been added. An annex containing translations of terms to several other languages is in the course of preparation. This document has been prepa
18、red under a mandate given to CEN by the European Commission and the European Free Trade Association. EN 764, Pressure equipment comprises the following parts: Part 1: Vocabulary; Part 2: Quantities, symbols and units; Part 3: Definition of parties involved; Part 4: Establishment of technical deliver
19、y conditions for metallic materials; Part 5: Inspection documentation of metallic materials and compliance with the material specification; Part 6: Structure and content of operating instructions; Part 7: Safety systems for unfired pressure equipment. According to the CEN/CENELEC Internal Regulation
20、s, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
21、Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 4 1 Scope This European Standard specifies terms and definitions to be used for pressure
22、 equipment and assemblies within the scope of European Directives on pressure equipment. NOTE It can be applied to other pressure equipment. 2 Normative references Not applicable. 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. If a term or defin
23、ition only applies to a special area or is different in different areas, the relevant area is shown within brackets . 3.1 General terms 3.1.1 ambient temperature temperature of the surrounding atmosphere in the immediate vicinity of the pressure component 3.1.2 assembly several pieces of pressure eq
24、uipment assembled by a manufacturer to constitute an integrated and functional whole 3.1.3 cryogenic applications applications at low temperature Note 1 to entry: Normally involving liquefied gases. 3.1.4 design validation examination of the design documents to verify that the design conforms to the
25、 relevant product standard 3.1.5 fluid gas, liquid and vapour in its pure phase as well as mixtures thereof 3.1.6 hazard category category of the pressure equipment taking into account the potential hazards 3.1.7 joint coefficient reduction coefficient (e.g. for a welded joint) related to the testin
26、g group and which is applied to the nominal design stress DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 5 3.1.8 main pressure bearing parts parts which constitute the envelope under pressure, essential for the integrity of the equipment 3.1.9 maximum allowable temperature TSmaxmaximum temperature f
27、or which the pressure equipment is designed as specified by the manufacturer 3.1.10 minimum allowable temperature TSminminimum temperature for which the pressure equipment is designed as specified by the manufacturer 3.1.11 pipelines piping or piping system designed for the conveyance of any fluid o
28、r substance to or from an installation (onshore or offshore) starting from and including the first isolation device located within the installation and including all the annexed equipment designed specifically for pipelines 3.1.12 piping tubing, fittings, expansion joints, hoses or other pressure-be
29、aring components, intended for the transport of fluid, connected together and integrated into a pressure system 3.1.13 piping class category in which piping is classified in accordance with the Pressure Equipment Directive 97/23/EC 3.1.14 piping system pipe or system of pipes for the conveyance of f
30、luids within an industrial site Note 1 to entry: A piping system can be regarded as one single system, provided it conveys substances having the same properties and it is a whole designed for the same allowable pressure. Note 2 to entry: Interruption by different components such as pumps, machines,
31、vessels, etc. does not preclude the integration to one single piping. 3.1.15 pressure vessel housing and its direct attachments up to the coupling point connecting it to other equipment, designed and built to contain fluids under pressure 3.1.16 repair process of rectifying a defect in either base m
32、aterial or weld 3.2 Terms related to design 3.2.1 action imposed mechanical, thermal or thermo-mechanical influence which causes stress and/or strain in a structure, e.g. an imposed pressure, force, displacement or temperature DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 6 3.2.2 action type classi
33、fication of action based on statistical properties and duration 3.2.3 analysis thickness eaeffective thickness available to resist the loading depending on the load case 3.2.4 anchor rigid device, which may itself be subject to imposed displacement, used to prevent all relative pipe rotation and dis
34、placement at the point of application, under the design conditions of temperature and loading 3.2.5 annular plate flat end of annular form, connected to one cylindrical shell at its outside diameter and another at its inside diameter, and subject predominantly to bending and not shear 3.2.6 applicat
35、ion rule generally recognized rule that follows the principles of the relevant product standard and satisfies their requirements 3.2.7 assembly condition condition applying when the gasket or joint contact surface is seated during assembly of the joint at ambient temperature and the only loading com
36、es from the bolts 3.2.8 assumed thickness thickness assumed by the designer between the minimum required shell thickness and the shell analysis thickness 3.2.9 bending stress equivalent linear distributed stress through the wall of the pressure part, proportional to the distance from the neutral axi
37、s 3.2.10 blind flange blank flange flat closure connected by bolts 3.2.11 bolted domed end cover or blind flange consisting of a flange and a dome of constant radius of curvature 3.2.12 calculation pressure differential pressure used for the purpose of the design calculations for a component 3.2.13
38、calculation temperature temperature used for the purpose of the design calculations for a component DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 7 3.2.14 chamber fluid space within a unit of pressure equipment 3.2.15 chamber volume internal volume of a chamber, including the volume of nozzles to t
39、he first connection (flange, coupling, weld) and excluding the volume of internal permanent parts (e.g. baffles, agitators) 3.2.16 characteristic function characteristic function of an action is a representative function (of time) for the action Note 1 to entry: Required for actions for which, in sp
40、ecific design checks, the time-dependence is of importance, e.g. temperature/pressure transients during start-up or shut-down. 3.2.17 characteristic value characteristic value of an action is a representative value which takes account of the variation of an action 3.2.18 coefficient of variation mea
41、sure of statistical dispersion (standard deviation divided by mean value) 3.2.19 collar abutment for the flange cylinder attached to the end tangent 3.2.20 combination factor factor applied to design values of variable actions with stochastic properties if combined with pressure, or if two or more o
42、f these actions are included in one load case 3.2.21 compliance inverse of the axial stiffness of the assembly, symbol Y, units mm/N 3.2.22 component part of pressure equipment which can be considered as an individual item for the calculation 3.2.23 constant hanger constant support pipe support with
43、 constant characteristic to carry vertical loads whilst permitting vertical displacements, base mounted or suspended 3.2.24 continuous weld weld extending along the entire length of a joint DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 8 3.2.25 convolution corrugation flexible unit of an expansion
44、bellows 3.2.26 creep range temperature range in which material characteristics used in design are time dependent 3.2.27 critical area an area where the total fatigue damage index exceeds a maximum value 3.2.28 critical zone highly stressed area where a fracture is expected to occur in a burst test o
45、r where surface fatigue cracks are expected to be initiated due to fluctuating pressure loads 3.2.29 cut-off limit cyclic stress range below which fatigue damage is disregarded 3.2.30 deposited thickness weld throat thickness thickness in the weld metal excluding any reinforcement Note 1 to entry: T
46、he preferred term in ISO/TR 25901 is penetration depth. 3.2.31 design check investigation of a components safety under the influence of specified combinations of actions with respect to specified limit states 3.2.32 design model structural model used in the determination of effects of actions 3.2.33
47、 design pressure pressure chosen for the derivation of the calculation pressure of each component Note 1 to entry: The design pressure normally refers to the top of the equipment and does not include pressure generated by the weight of its content. Note 2 to entry: If the equipment consists of sever
48、al compartments, each compartment may have its own design pressure. 3.2.34 design reference temperature TR temperature used for determining the impact energy requirements DIN EN 764-1:2016-12 EN 764-1:2015+A1:2016 (E) 9 3.2.35 design stress range spectrum histogram of the number of occurrences of al
49、l stress cycles of various ranges anticipated during the design lifetime 3.2.36 design temperature temperature chosen for the derivation of the calculation temperature of each component 3.2.37 differential pressure pressure whose algebraic value is equal to the pressure difference on either side of a separation wall 3.2.38 discontinuity shape or material change which affects the stress distribution 3.2.39 dished end end of pressure vessel formed to have its open end cylindri
