EESTI STANDARD EVS-EN 1272:2002 Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B - Type A EESTI STANDARDIKESKUS
EESTI STANDARDI EESSÕNA NATIONAL FOREWORD Käesolev Eesti standard EVS-EN 1272:2002 sisaldab Euroopa standardi EN 1272:2002 ingliskeelset teksti. Käesolev dokument on jõustatud 13.12.2002 ja selle kohta on avaldatud teade Eesti standardiorganisatsiooni ametlikus väljaandes. Standard on kättesaadav Eesti standardiorganisatsioonist. This Estonian standard EVS-EN 1272:2002 consists of the English text of the European standard EN 1272:2002. This document is endorsed on 13.12.2002 with the notification being published in the official publication of the Estonian national standardisation organisation. The standard is available from Estonian standardisation organisation. Käsitlusala: This European Standard specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A Scope: This European Standard specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A ICS 13.060.20, 1.140.60 Võtmesõnad: backflow preventers, definition, definitions, design, drinking water supply, isolators, marking, permanent load, pressure, pressure variation, print- span, properties, rated pressure, specification (approval), specifications, testing, valves, water supply
EN 1272 ICS 13.060.20; 1.140.60 Descriptors: November 2002 English version Devices to prevent pollution by backflow of potable water Controllable backflow preventer with reduced pressure zone, family B, type A Dispositifs de protection contre la pollution par retour de l eau potable Disconnecteur à zone de pression réduite contrôlable Famille B Type A Sicherheitseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen Systemtrenner mit kontrollierbarer druckreduzierter Zone Familie B Typ A This European Standard was approved by CEN on 2002-0-07. CEN members are bound to 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 Management Centre or to any CEN 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 a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. ÈÉË European Committee for Standardization Comité Européen de Normalisation Europäisches Komitee für Normung Management Centre: rue de Stassart 36, B-1050 Brussels 2002. CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 1272 : 2002 E
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