BS EN ISO BRITISH STANDARD 16139:2006 Industrial valves Gate valves of thermoplastics materials The European Standard ENIS0 16139:2006 has the status of a British Standard ICS 23.060.30 BSi NOCOPYINGWITHOUTBSI PERMISSION EXCEPTAS PERMITTED BY COPYRIGHTLAW BritishStandards Not foreResalerp0/21/2016-0:20:4neMDT BS EN ISO 16139:2006 National foreword This British Standard is the official English language version of EN ISO 16139:2006. It is identical with ISO 16139:2006. The UK participation in its preparation was entrusted to Technical Committee PSE/7, Industrial 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 committee can be obtained on request to its 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 15 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. This British Standard was Amendments issued since publication published under the authority of the Standards Policy and Amd. No. Date StrategyCommittee Comments on31July2006 BSI2006 ISBN 0 580 48984 1 ocations/5940240048 EN ISO 16139 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM March2006 ICS23.060.30 English Version Industrial valves - Gate valves of thermoplastics materials (lSO 16139:2006) Robinetterie industrielle - Robinets-vannes en materiaux Industriearmaturen - Schieber aus Thermoplasten (ISO thermoplastiques (IsO 16139:2006) 16139:2006) ThisEuropeanStandardwasapprovedbyCENon3March2006. 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 maybe obtained on application tothe Central Secretariat ortoany CENmember. 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 United Kingdom. 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.ENISO16139:2006:E worldwidefor CEN national Members. Copyright British Standards Institution EN ISO 16139:2006 Foreword "Industrial valves", the secretariat of which is held by AFNOR, in collaboration with Technical Committee ISO/TC 138 "Plastics pipes, fittings and valves for the transport of fluids". This European Standard shall be given the status of a national standard, either by publication of an standards shall be withdrawn at the latest by September 2006. This document has