1、ICS 23.020.30Druckgerte Teil 7: Sicherheitseinrichtungen fr unbefeuerte DruckgerteEuropean Standard EN 764-7 : 2002 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by CEN/TC 54 Unfired pressu
2、revessels (Secretariat: United Kingdom).The responsible German body involved in its preparation was the Normenausschuss Chemischer Apparate-bau (Process Engineering Standards Committee).Ref. No. DIN EN 764-7 : 2002-09English price group 16 Sales No. 111601.03DEUTSCHE NORM September 2002EN 764-7EN co
3、mprises 38 pages. No part of this standard may be reproduced without the 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).Pressure equipmentPart 7: Safety systems for unfired
4、 pressure equipmentEnglish version of DIN EN 764-7Supersedes DIN V ENV 12447,November 1997 edition.English versionICS 23.020.30Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungPressure equipmentPar
5、t 7: Safety systems for unfired pressure equipment 2002. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 764-7 : 2002 EEquipements sous pression Partie 7:Systmes de scurit pour quipe-ments sous pression non soumis laflammeDruckgerte
6、Teil 7: Sicherheits-einrichtungen fr unbefeuerteDruckgerteThis European Standard was approved by CEN on 2002-04-29.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any al
7、teration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to any CENmember.The European Standards exist in three official versions (English, French, German).A version in any other language made by translati
8、on under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,
9、Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer-land, and the United Kingdom.EN 764-7May 2002Page 2EN 764-7 : 200245668810111111121313151616171719191919202020222223242424252525262830303030313235363738Page 3EN 764-7 : 2002Page 4EN 764-7 : 2002Page 5EN 764-7 : 2002Pressure
10、Maximum allowable pressure PS 1,10Maximum allowable pressure PSNo continuousoperation in thiszoneRegulating controlsystem reactsSafety systemreactsMonitoringsystem reactsNormal operatingrangeTimePage 6EN 764-7 : 2002Page 7EN 764-7 : 2002Page 8EN 764-7 : 2002Page 9EN 764-7 : 2002Page 10EN 764-7 : 200
11、2Page 11EN 764-7 : 2002Page 12EN 764-7 : 2002Page 13EN 764-7 : 2002Page 14EN 764-7 : 2002Page 15EN 764-7 : 2002Page 16EN 764-7 : 2002Page 17EN 764-7 : 2002Page 18EN 764-7 : 2002Page 19EN 764-7 : 2002Page 20EN 764-7 : 2002Page 21EN 764-7 : 2002Page 22EN 764-7 : 2002Page 23EN 764-7 : 2002Page 24EN 764
12、-7 : 2002Page 25EN 764-7 : 2002Page 26EN 764-7 : 2002Maximum allowable shortduration pressureMaximum relievingpressureEquipment Safety systemMaximumallowablepressureMaximum setpressure(Note 1)Momentarypressure surge(Note 2)Usual marginOperating rangeReseatingpressureBlowdownOverpressurePage 27EN 764-7 : 2002Page 28EN 764-7 : 2002
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