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BRITISH STANDARD BS EN ISO 15848-12006 Industrial valves Measurement, test and qualification procedures for fugitive emissions Part 1 Classification system and qualification procedures for type testing of valves The European Standard EN ISO 15848-12006 has the status of a British Standard ICS 23.060.01 BS EN ISO 15848-12006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3 February 2006 BSI 3 February 2006 ISBN 0 580 47751 7 National foreword This British Standard is the official English language version of EN ISO 15848-12006. It is identical with ISO 15848-12006. The UK participation in its preparation was entrusted by Technical Committee PSE/7, Valves, to Subcommittee PSE/7/1, Valves basic standards, which has the responsibility to A list of organizations represented on this subcommittee 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 of itself confer immunity from legal obligations. 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 ined; monitor related international and European developments and promulgate them in the UK. 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 ii to v, a blank page, pages 1 to 48, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 标准分享网 w w w .b z f x w .c o m 免费下载 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15848-1 January 2006 ICS 23.060.01 English Version Industrial valves - Measurement, test and qualification procedures for fugitive emissions - Part 1 Classification system and qualification procedures for type testing of valves ISO 15848-12006 Robinetterie industrielle - Mesurage, essais et modes opratoires de qualification pour missions fugitives - Partie 1 Systme de classification et modes opratoires de qualification pour les essais de type des appareils de robinetterie ISO 15848-12006 Industriearmaturen - Mess-, Prf- und Qualifikationsverfahren fr flchtige Emissionen - Teil 1 Klassifizierungssystem und Qualifikationsverfahren fr die Bauartprfung von Armaturen ISO 15848-12006 This European Standard was approved by CEN on 28 December 2005. 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. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre rue de Stassart, 36 B-1050 Brussels 2006 CENAll rights of exploitation in any and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15848-12006 E Foreword This document EN ISO 15848-12006 has been prepared by Technical Committee ISO/TC 153 “Valves“ in collaboration with Technical Committee CEN/TC 69 “Industrial valves“, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2006, and conflicting national standards shall be withdrawn at the latest by July 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 15848-12006 has been approved by CEN as EN ISO 15848-12006 without any modifications. EN ISO 15848-12006 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m Reference number ISO 15848-12006E INTERNATIONAL STANDARD ISO 15848-1 First edition 2006-01-15 Industrial valves Measurement, test and qualification procedures for fugitive emissions Part 1 Classification system and qualification procedures for type testing of valves Robinetterie industrielle Mesurage, essais et procdures de qualification pour missions fugitives Partie 1 Systme de classification et procdures de qualification pour essais de type des appareils de robinetterie EN ISO 15848-12006 w w w . b z f x w . c o m ii 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m iii Contents Page Foreword............................................................................................................................................................ iv Introduction........................................................................................................................................................ v 1 Scope ..................................................................................................................................................... 1 2 Normative references........................................................................................................................... 1 3 Terms and definitions........................................................................................................................... 1 4 Abbreviations........................................................................................................................................ 3 5 Type test ................................................................................................................................................ 4 5.1 Test conditions ..................................................................................................................................... 4 5.2 Test procedures.................................................................................................................................... 7 6 Perances classes........................................................................................................................ 10 6.1 Classification criteria.......................................................................................................................... 10 6.2 Tightness classes............................................................................................................................... 10 6.3 Endurance classes ............................................................................................................................. 11 6.4 Temperature classes.......................................................................................................................... 13 6.5 Examples of class designation ......................................................................................................... 14 6.6 Marking ................................................................................................................................................ 14 7 Reporting............................................................................................................................................. 15 8 Extension of qualification to untested valves ................................................................................. 16 Annex A normative Total leak rate measurement ...................................................................................... 17 Annex B normative Leak measurement using the sniffing ......................................................... 31 Annex C inative Derivation and graphs relating the stem diameter to leak rate............................. 40 Bibliography..................................................................................................................................................... 48 EN ISO 15848-12006 w w w . b z f x w . c o m iv Foreword ISO the International Organization for Standardization is a worldwide federation of national standards bodies ISO member bodies. The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission IEC on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 15848-1 was prepared by Technical Committee ISO/TC 153, Valves, Subcommittee SC 1, Design, manufacture, marking and testing. ISO 15848 consists of the following parts, under the general title Industrial valves Measurement, test and qualification procedures for fugitive emissions Part 1 Classification system and qualification procedures for type testing of valves Part 2 Production acceptance test of valves EN ISO 15848-12006 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m v Introduction The objective of this part of ISO 15848 is to enable classification of perance of different designs and constructions of valves to reduce fugitive emissions. This part of ISO 15848 defines type test for uation and qualification of valves where fugitive emissions standards are specified. The procedures of this part of ISO 15848 can only be used with the application of necessary precautions for testing with flammable or inert gas at temperature and under pressure. EN ISO 15848-12006 w w w . b z f x w . c o m blank 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m 1 Industrial valves Measurement, test and qualification procedures for fugitive emissions Part 1 Classification system and qualification procedures for type testing of valves 1 Scope This part of ISO 15848 specifies testing procedures, for uation of external leakage of valve stem seals or shaft and body joints of isolating valves and control valves intended for application in volatile air pollutants and hazardous fluids. End connection joints, vacuum application, effects of corrosion and radiation are excluded from this part of ISO 15848. This part of ISO 15848 concerns classification system and qualification procedures for type testing of valves. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. ISO 5208, Industrial valves Pressure testing of valves 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 body seals any seal in pressure containing part except stem or shaft seals 3.2 Class a convenient round number used to designate pressure-temperature ratings NOTE It is designated by the word “Class” followed by the appropriate reference number from the following series Class 125, Class 150, Class 250, Class 300, Class 600, Class 900, Class 1 500, Class 2 500. 3.3 concentration ratio of test fluid volume to the gas mixture volume measured at the leak sources of the test valve NOTE The concentration is expressed in ppmv parts per million volume, which is a unit deprecated by ISO 1 ppmv 1 ml/m3 1 cm3/m3. EN ISO 15848-12006 w w w . b z f x w . c o m 2 3.4 control valve power operated device which changes the fluid flow rate in a process control system and which consists of a valve connected to an actuator that is capable of changing the position of a closure member in the valve in response to a signal from the controlling system 3.5 fugitive emission any chemical or mixture of chemicals, in any physical , which represents an unanticipated or spurious leak from equipment on an industrial site 3.6 leakage loss of the test fluid through the stem or shaft seal or body seals of a test valve under the specified test conditions and which is expressed as a concentration or a leak rate 3.7 leak rate mass flow rate of the test fluid, expressed in mgs−1 per meter of the perimeter of the stem 3.8 local leakage measurement of the test fluid leakage using a probe at the leak source point 3.9 mechanical cycle of control valves for linear/rotary control valves, test cycles pered at 50 of stroke/angle with an amplitude of 10 of full stroke/angle 3.10 mechanical cycle of isolating valves motion of a valve obturator moving from the fully closed position to the fully open position, and returning to the fully closed position 3.11 nominal size DN alphanumeric designation of size for components of a pipework system, which is use
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