1、ICS 13.060.20; 91.140.60Devices to prevent pollution by backflow of potable waterAir gaps with circular overflow (restricted) Family A, type FEnglish version of DIN EN 14622Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rckflieen FreierAuslauf mit kreisfrmigem berlauf
2、(eingeschrnkt) Familie A, Typ FNational 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 (ValvesStandards Committee), Technical Committee NAA-164/14 Armaturen fr die Trin
3、kwasserinstallation in Ge-buden, in collaboration with the Normenausschuss Wasserwesen (Water Practice Standards Committee).DEUTSCHE NORM August 2005DIN EN 14622 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag Gmb
4、H, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).English price group 8www.din.dewww.beuth.de9659423Continued overleaf.Document comprises 9 pages.12.05G4G15G71G101G29G5English versionICS 13.060.20; 91.140.60Devices to prevent pollution by backflow ofpotable w
5、aterAir gaps with circular overflow (restricted) Family A, type F 2005. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 14622:2005 ESicherungseinrichtungen zum Schutzdes Trinkwassers gegen Verschmut-zung durch Rckflieen Freier Aus-la
6、uf mit kreisfrmigem berlauf (ein-geschrnkt) Familie A, Typ FThis European Standard was approved by CEN on 2005-03-25.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
7、alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by transla
8、tion 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, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hunga
9、ry,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 14622May 2005Management Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for StandardizationComit Europen
10、de NormalisationEuropisches Komitee fr NormungDispositifs de protection contre lapollution de leau potable par retour Surverse avec trop plein circulaire(limite) Famille A, type FPage 2EN 14622:200522333455588Page 3EN 14622:2005Page 4EN 14622:2005Page 5EN 14622:2005Page 6EN 14622:2005Page 7EN 14622:2005Page 8EN 14622:2005
