1、ICS 91.140.30Lftung von Gebuden Luftleitungen Festigkeit und Dichtheitvon Luftleitungen mit rundem Querschnitt aus BlechEuropean Standard EN 12237 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 156 Ventilation
2、for buildings (Secretariat: United Kingdom).The responsible German body involved in its preparation was the Normenausschuss Heiz- und Raumluft-technik (HVAC Standards Committee).AmendmentsDIN 24145, DIN 24147-1, DIN 24151-1, DIN 24151-2, and DIN 24152, December 1998 editions, have beensuperseded by
3、the specifications of EN 12237.Previous editionsDIN 24145: 1975-10, 1992-12, 1998-12; DIN 24147-1: 1982-05, 1993-06, 1998-12; DIN 24151: 1966-07;DIN 24151-1: 1990-07, 1998-12; DIN 24151-2: 1990-04, 1998-12; DIN 24152: 1966x-07, 1990-04,1998-12; DIN 24153: 1966-07.Ref. No. DIN EN 12237 : 2003-07Engli
4、sh price group 08 Sales No. 110811.03DEUTSCHE NORM July 2003EN 12237EN comprises 9 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 Sta
5、ndards (DIN-Normen).Ventilation for buildings DuctworkStrength and leakage of circular sheet metal ductsEnglish version of DIN EN 12237Supersedes DIN 24145,DIN 24147-1, DIN 24151-1,DIN 24151-2, and DIN 24152,December 1998 editions.April 2003English versionICS 91.140; 91.140.30Management Centre: rue
6、de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungVentilation for buildings DuctworkStrength and leakage of circular sheet metal ducts 200. CEN All rights of exploitation in any form and by any meansreserved worldwide for
7、 CEN national members.Ref. No. EN 12237 : 2003 EVentilation des btiments Rseaude conduits Rsistance et tan-chit des conduits circulaires en tleLftung von Gebuden Luftlei-tungen Festigkeit und Dichtheit vonLuftleitungen mit rundem Querschnittaus BlechThis European Standard was approved by CEN on 2002
8、-12-18.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 alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained
9、 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 translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasth
10、e same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN 12237Page 2EN 12237 : 2003Page 3EN 12237 : 2003Page 4EN 12237 : 2003Page 5EN 12237 : 2003Page 6EN 12237 : 2003Page 7EN 12237 : 2003Page 8EN 12237 : 2003Page 9EN 12237 : 2003