BS EN ISO BRITISH STANDARD 16135:2006 Industrial valves Ball valves of thermoplastic materials The European Standard EN IS0 16135:2006 has the status of a British Standard ICS 23.060.20 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards CopomIHS BS EN ISO 16135:2006 National foreword This British Standard is the official English language version of EN ISO 16135:2006. It is identical with ISO 16135:2006. The UK participation in its preparation was entrusted by Technical Committee PSE/7, Valves, to Subcommittee PSE/7/16, Plastic valves, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on requesttoits secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index", or by using the “Search" facility of the BSI Electronic Catalogue or of British Standards Online. 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 does not ofitself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages i to iv, pages 1 to 21 and a back cover. The BSI copyright notice displayed in this document indicates when the document waslast issued. This British Standard was Amendments issued since publication published under the authority of the Standards Policy and Amd. No. Date StrategyCommittee Comments on31March2006 BSI ISBN 0 580 48040 2 Copyright British Standards Institution by IHS under EUROPEANSTANDARD ENISO16135 NORME EUROPEENNE EUROPAISCHE NORM March 2006 ICS23.060.20 English Version Industrial valves - Ball valves of thermoplastics materials (lsO 16135:2006) Robinetterie industrielle - Robinets a tournant spherique en Industriearmaturen - Kugelhahne aus Thermoplasten (ISO materiauxthermoplastiques (IsO16135:2006) 16135:2006) This EuropeanStandard wasapprovedbyCENon3March2006. 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 Central Secretariat or to any CEN member. This European Standard exists 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 Central Secretariat has the same status as the official versions. Germany,Greece,Hungary, Iceland, Ireland, Italy,Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,Poland, Portugal,Romania Slovakia, Slovenia, Spain, Sweden, Switzerland and UnitedKingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG Management Centre: rue de Stassart, 36B-1050 Brussels @2006CEN All rights of exploitation in any form and by any means reserved Ref.No.ENISO16135:2006:E worldwide for CEN national Members Copyright British Standards Institution EN IS0 16135:2006 Foreword "Industrialvalves",thesecretariat ofwhichisheldbyAFNOR,incollaborationwithTechnica Committee ISO/TC 138 "Plastics pipes, fttings and valves for the transport of fluids". This European Standard shall be given the status of a national standard, either by publication of an identical text or by endors