1、ICS 13.060.20; 91.140.60Devices to prevent pollution by backflow of potable waterAir gaps with minimum circular overflow (verified by test or measurement) Family A, type GEnglish version of DIN EN 14623Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rckflieen FreierAusl
2、auf mit kreisfrmigem berlauf mit Mindestdurchmesser (Nachweis durch Prfung oder Messung) Familie A, Typ GNational forewordThis standard has been prepared by CEN/TC 164 Water supply (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Armaturen (Valves
3、Standards Committee), Technical Committee NAA-164/14 Armaturen fr die Trinkwasserinstallation in Ge-buden, in collaboration with the Normenausschuss Wasserwesen (Water Practice Standards Committee).DEUTSCHE NORM August 2005DIN EN 14623 No part of this standard may be reproduced without the prior per
4、mission 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).English price group 8www.din.dewww.beuth.de9659424Continued overleaf.Document comprises 9 pages.12.05G4G15G71G101G30G5English versionIC
5、S 13.060.20; 91.140.60Devices to prevent pollution by backflow ofpotable waterAir gaps with minimum circular overflow (verified by test ormeasurement) Family A, type G 2005. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 14623:2005
6、ESicherungseinrichtungen zum Schutzdes Trinkwassers gegen Verschmut-zung durch Rckflieen Freier Aus-lauf mit kreisfrmigem berlauf mitMindestdurchmesser (Nachweis durchPrfung oder Messung) Familie A,Typ GThis European Standard was approved by CEN on 2005-03-25.CEN members are bound to comply with the
7、 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 on application to the Management Centre or to
8、anyCEN member.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 hasthe same status as the official versions.CEN memb
9、ers are the national standards bodies of Austria, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, a
10、ndthe United Kingdom.EN 14623May 2005Management Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungDispositifs de protection contre lapollution de leau potable par retour Surverse avec trop plein circulaire,minimum (dfinie par essai de dpres-sion) Famille A, type GPage 2EN 14623:200522333455588Page 3EN 14623:2005Page 4EN 14623:2005Page 5EN 14623:2005Page 6EN 14623:2005Page 7EN 14623:2005Page 8EN 14623:2005
