BS EN ISO 1452-4 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 4 Valves（ISO 1452-42009）.pdf

BRITISH STANDARD BS EN ISO 1452-4:2009 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure -Unplasticized poly(vinyl chloride) (PVC-U) Part 4:Valves (ISO 1452-4:2009) ICS28.040.20:23.040.45:91.140.60:93.025 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards No or networking permited wthout from IHS Not ftor Ressle BS EN ISO1452-4:2009 National foreword This British Standard is the UK implementation of EN ISO 1452-4:2009. Together with BS EN ISO 1452-1:2009 BS EN ISO 1452-2:2009 BS EN ISO 1452-3:2009 BS EN ISO 1452-5:2009 it supersedes BS EN 1452-4:1999 and BS EN 1459-1:2001 which are withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/88/2 Plastics piping for pressure applications. A list of organizations represented on this mittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract.Users are responsible for its correct application. Compliance with a British Standard cannot conferimmunity from legal obligations. This British Standard Amendments/corrigenda issued since publication was published under the authority of the Standards Policy and Strategy Date Comments Committee on 31 January 2010 BSI 2010 ISBN9780580595431 No or networking permited without from IHS Not for Ressle EUROPEAN STANDARD EN ISO 1452-4 NORME EUROPEENNE EUROPAISCHE NORM December 2009 ICS93.025:91.140.60:23.040.20:23.040.45 Supersedes EN1452-4:1999 EN1456-1:2001 English Version Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure Unplasticized poly(vinyl chloride)(PVC-U)-Part 4:Valves (ISO 1452-4:2009) Systemes de canalisations en plastique pour I'alimentation Kunststoff-Rohrleitungssysteme fur die Wasserversorgung en eau pour branchements et collecteurs d'assainissement und fur erdverlegte und nicht erdverlegte enterres...